CDL Pre-Trip Inspection Checklist

Studying this Class-A CDL pre-trip inspection checklist is an important part of truck driver training. Before getting your Class-A CDL and finding an entry level truck driving job , most states will require students to pass a DOT (department of transportation) pre-trip inspection test and a general knowledge test .

Each company’s pre-trip inspection varies slightly. Most likely you will have to do the coupling system, light check and in-cab inspections plus one of the remaining three sections.

Pre Trip Inspection Checklist

Download free and print it! Printable Pre Trip Inspection Checklist (PDF)

There are many sections to learn but the test is not as difficult as it may seem. Studying our simplified Class-A pre-trip inspection checklist and taking classes at your local CDL training school will get you prepared.

Engine Compartment

Driver door fuel area, coupling area, light check, in-cab inspection and brake tests, belt driven alternator, belt driven water pump, brake chamber, brake lining, caste nuts and cotter pins, coolant reservoir, gear box and hoses, gear driven air compressor, gear driven power steering pump.

  • General Hoses

Leaf Springs

Power steering fluid reservoir, shock absorber, slack adjuster and push rod, spring hanger, steering column, what to check for:.

When checking the engine compartment, you will always want to make sure the following components are properly mounted and secured. You should also make sure they are not cracked, bent or broken. The items you will need to check for include:

  • Make sure all of the wires are connected. The belt should not be cracked or frayed and the free play on the belt should be between ½ to ¾ of an inch.
  • The free play on the belt should be between ½ to ¾ of an inch. Also check all the hoses running to and from the water pump to make sure nothing is leaking.
  • The brake chamber should not be leaking air.
  • The brake drum should be properly mounted and secure.
  • The brake hose is rubber, so it is important to make sure it is not leaking air.
  • Check for oil or debris on the lining. There should be at least ¼ of an inch of friction material.
  • Make sure all three caste nuts and cotter pins are present.
  • The reservoir should not leaking and must be filled to the manufacturer’s specifications.
  • Make sure the drag link is properly mounted and secure, and not cracked, bent or broken.
  • The gear box and hoses should have no abrasions, bulges or cuts, and should not be leaking.
  • Although the air compressor is hard to see, you must make sure it is properly mounted and does not leak.
  • The steering pump is located in the same place as the air compressor and is also gear driven. Ensure the steering pump is not leaking.

General Hoses (Passenger and Driver’s Side)

  • The hoses should be secure at both ends. There should be no abrasions, bulges or cuts. Fluids run through these hoses, so it is important to make sure they are not leaking.
  • The hub seal (or axle seal) should not be leaking and should be filled to the manufacturer’s specifications.
  • Make sure none of the leaf springs have shifted.
  • Check for leaks under the truck.
  • There should be no lug nuts missing. Look for rust trails, powder residue and cracks around the bolt holes.
  • The oil level should be filled to the manufacturer’s specifications.
  • Make sure the pitman arm is properly mounted and secure. It should be not cracked, bent or broken.
  • Make sure this reservoir is not leaking and filled to the manufacturer’s specifications.
  • The rim cannot have any unauthorized welds.
  • Make sure the shock absorber is not leaking. If it is leaking, the leak will be at the point where the top and bottom portion of the shock meet.
  • With the brakes released and pulled by hand, the push rod should never move more than one inch.
  • The spring hanger should be properly mounted and secure.
  • Make sure the steering column is properly mounted and secure. It should not be cracked, bent or broken.
  • Look for abrasions, bulges or cuts on the tread or sidewalls. Tread depth should have a depth no less than 4/32 of an inch. Tires must be properly filled to the manufacturer’s specifications. This can be checked with an air gauge.
  • Make sure the tie rod is properly mounted and secure, not cracked, bent or broken.
  • Make sure all are accounted for.

Back to top of Engine Compartment

Catwalk and Steps

Door and hinges, drive shaft, exhaust system, frame and cross members, spring mount.

Again it is important to make sure these items are properly mounted and secure. Look for cracks, bends, and breaks.

  • The actual airbag is rubber, so it is important to check for abrasions, bulges, cuts and leaks, in addition to any missing mounting bolts.
  • The axle seal should not be leaking and should be filled to the manufacturer’s specifications.
  • Make sure to mention the brake chamber is not leaking air.
  • Make sure the brake drum is secured properly. Also look for cracks, bends and breaks.
  • Check the brake hose at both ends to make sure it is not leaking air.
  • There should be no oil or debris on the brake lining. There should be at least ¼ of an inch of friction material.
  • The cat walk and steps should be clear of any loose objects.
  • Physically demonstrate that the doors open, close and latch properly. Door seals should not be worn, torn or rotten.
  • The drive shaft should not be twisted and the u-joints should be free of any debris.
  • The tread and sidewalls should have no abrasions, bulges or cuts. The tread depth should be no less than 2/32 of an inch. Tires should be properly filled to the manufacturer’s specifications. This can be checked with an air gauge.
  • The exhaust system should show no signs of leaks.
  • There should be no unauthorized holes or welds. Bundle up the cross members to ensure none are missing.
  • Fuel should not be leaking from the tank and the cap should always be on tight.
  • Rust trails could indicate loose bolts, while powder residue and racks around the bolts could mean the bolts have been over-tightened.
  • Mirrors should be clean for best visibility.
  • Make sure the mud flap is secured properly. Also look for cracks, bends and breaks.
  • Make sure to mention there should be never be any unauthorized welds.
  • The shock absorber should be secure at both ends and not leaking. If it does leak, it will leak in the middle.
  • With the brakes released and pulled by hand, the push rod should not move more than one inch.
  • If you are equipped with duals, check to see there is proper spacing between the tires and there is nothing stuck.
  • The spring arm should be secure at both ends.
  • The spring mount should be secure at both ends.
  • Make sure the torque arm is secured properly. Also look for cracks, bends and breaks.
  • Make sure to check and mention that no U-bolts are missing.

Back to  top of Driver Door Fuel Area

Electric Line

Locking jaws, mounting bolts, release arm, sliding fifth wheel locking pin.

  • Air lines should be secure at both ends with no abrasions, bulges or cuts. They should not be leaking, dragging or tangled.
  • Make sure the apron is properly mounted and secure. Look for cracks, bends and breaks.
  • Make sure there is enough space between the tractor mudflap and the trailer landing gear so that they don’t hit each other when making a turn.
  • The electric line should be secure at both ends. There should be no abrasions, bulges, cuts or exposed wires.
  • The gap is not an actual item, however there should be no space between the apron and the skid plate.
  • The seals should be in good condition with no cracks, signs of rotting, or leaking air.
  • Make sure the king pin is properly mounted and secure. Look for cracks, bends and breaks.
  • You must physically check that the locking jaws is fully locked around the king pin.
  • No mounting bolts should be missing.
  • Make sure the platform is properly mounted and secure. Look for cracks, bends and breaks.
  • The release arm should be in the fully locked position.
  • The skid plate needs to be properly lubed.
  • The pin must be in the fully locked position.

Back to top of Coupling Area

Header Board

Landing gear, rear door and hinges.

  • Shock Absorbers

Tandem Frame and Release

Trailer tire.

  • Again make sure the airbag has no abrasions, bulges, cuts or leakings. The airbag should not be missing any mounting bolts.
  • The brake chamber should be properly mounted so that is does not leak air.
  • The brake hose should be secure at both ends with no abrasions, bulges, cuts or leaks.
  • Check for oil or debris on the brake lining. There should be at least ¼ of an inch of friction material.
  • There cannot be any missing cross members.
  • The header board cannot have any holes or missing rivets.
  • The landing gear must be fully raised and the cradle handle secure.
  • Rust trails indicate loose bolts. Powder residue and cracks around the bolt holes could be an indication of over-tightened bolts.
  • The rims cannot have any unauthorized welds.
  • The rear door should open, close and latch properly. Door seals should not be worn, torn or dry rotten.
  • The shock absorber should be checked at both ends for leaks.
  • When the brakes are released and pulled by hand, the push rod should not move more than one inch.
  • Release handle and locking pins should be in the fully locked position.

There should be no abrasions, bulges or cuts to the tread or sidewalls. Tread depth should be no less than 2/32 of an inch. The tire should be properly filled to manufacturer’s specifications and checked with an air gauge.

  • Front of the truck
  • Both sides of the truck
  • Rear of the truck
  • Both sides of the trailer
  • Rear of the trailer

Back to top of Trailer

The five functions are:

  • Left turn signal
  • Right turn signal
  • Four way flashers
  • High/low beams
  • Brake lights

Back to top of Light Check

  • Airbrake Test

Air Pressure Gauges

Emergency equipment, heater and defroster, lighting indicators, oil pressure gauge, parking brake, service brake check, water temperature gauge, windshield and mirrors, windshield wipers and washers.

The last section is In-Cab Inspection and Brake Tests. For the In-Cab Inspection you will once again want to make sure all of the following components are properly mounted and secure. As well as the following:

Air Brake Test

There are three stages to an air brake test:

  • Applied Pressure Test – When doing the Applied Pressure Test, you will want to build the air pressure to governor cut out. Put the truck in the lowest gear, turn the engine off and immediately turn it back on. Push in the tractor and trailer valves which will then release the parking brakes. Push and hold the brake pedal, allowing the gauges to stabilize. When the gauges have stabilized, announce the Primary and Secondary PSI. Listen for air leaks while doing this.
  • Warning Light and Buzzer – Pump down on the brake pedal until the warning light and buzzer comes on. This is typically at or before 60 PSI.
  • Tractor/Trailer Protection Valve Pop Out – Pump down on the brake pedal until the tractor and trailer protection valves pop out, this will be between 20 and 40 PSI.
  • The air pressure gauges should build to governor cut out.
  • Your truck should have a fire extinguisher, three red reflective triangles and spare electrical fuses.
  • Demonstrate both the heater and defroster are working properly.

Horns (Air Horn and City Horn)

  • Blow both horns to make sure they are working.
  • Check the left turn, right turn, four way flashers and high beams; also point these out on the dashboard.
  • Make sure transmission is in neutral and then fully depress the clutch. Turn the key on, check the ABS light, announce when it comes on and off, and start the engine.
  • The seat belt should not be ripped or frayed and should adjust and latch properly.
  • The engine oil pressure gauge should rise to normal operating range.
  • Trailer Parking Brakes – Set the trailer brake, release the tractor brake, then tug lightly on the trailer.
  • Tractor Parking Brakes – Set the tractor brake, release the trailer brake and tug lightly on the trailer.
  • Release both the tractor and trailer brakes. Drive at idle speed. Apply the service brake to make sure you come to a complete stop and that it doesn’t pull to the left or right when applying the brakes.
  • The voltmeter should be charging between 13 and 14 volts.
  • The water temperature gauge should also rise to normal operating range.
  • The windshield and mirrors must be clean, with no obstructions and in proper adjustment.
  • Demonstrate the wipers and washers are working properly by spraying the windshield.

Back to top of In-Cab Inspection and Brake Tests

During a CDL pre-trip inspection, truckers inspect many aspects of their commercial vehicle, including the overall safety of the vehicle; major hoses, fluid levels, and vehicle belts; the clutch or gear shift; and emergency equipment. The driver demonstrates their knowledge by walking around the vehicle, checking various safety components and explaining why each part should be checked for safety.

Reference and practice tests:

  • Printable Pre Trip Inspection Checklist (PDF)
  • CDL General Knowledge Practice Test
  • Pre Trip Inspection Practice Test
  • CDL HAZMAT Endorsement Practice Test

Edited for 2024 on  12/5/23

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Written exams

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Mastering the CDL Pre-Trip Inspection Exam: A Complete Guide

Learn how to conduct thorough pre-trip inspections with our guide, a critical component for commercial vehicle safety.

pass cdl pre trip inspection

Written by Andrei Zakhareuski. With over 16 years of expertise, Andrei leads Driving-Tests.org, a top online resource for driver education. His leadership has established vital partnerships with over 2,600 libraries, educational bodies, and state agencies.

The CDL Pre-Trip Inspection Exam is an integral part of obtaining your commercial driver’s license. This guide covers Class A and Class B pre-trip inspections, provides a checklist, and offers tips for memorizing the inspection process.

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​ CDL Class A Pre-Trip Inspection

Engine Compartment Inspection

Includes checking for leaks, belt tension, and the condition of hoses, among other components.

Cab Check/Engine Start

Involves inspecting the cab’s interior, gauges, and starting the engine to check for abnormalities.

Brake Check

Focuses on air brake systems, including air brake checks and the parking brake test.

​ CDL Class B Pre-Trip Inspection

Vehicle Overview

Begin with a general overview of the vehicle, checking for obvious signs of damage or issues.

External Inspection

Inspect all external components, including tires, lights, and mirrors.

Internal Inspection

Check all internal controls, ensuring everything is functional and within reach.

​ Pre-Trip Inspection Checklist

  • Lights and reflector s: Ensure all are clean and functional.
  • Engine oil and coolant levels : Check for adequate levels.
  • Steering mechanism : Ensure it’s secure and functioning.
  • Horn : Test for functionality.
  • Windshield wipers : Check for operability and condition.
  • Mirror s: Adjust for optimal visibility.
  • Emergency equipment : Ensure presence and accessibility.
  • Air brake system : Test for leaks and proper pressure.

​ Tips for Memorizing the Pre-Trip Inspection for CDL

  • Create a Routine : Develop a consistent order in which to conduct your inspection.
  • Use Mnemonics : Create acronyms or phrases to help remember the steps.
  • Practice Regularly : Hands-on practice is the most effective way to memorize the inspection process.
  • Visual Aids : Use diagrams or checklists as visual reminders.
Pro Tip : Practice the pre-trip inspection in a real-world setting. The more you perform the inspection in a practical environment, the more natural it will become.

Remember, the pre-trip inspection is not just a test requirement – it’s a fundamental safety practice every commercial driver should master. For more resources and detailed guides, visit Driving-Tests.org .

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Best Free CDL Pre-Trip Inspection Checklist | Trucker Safety & Profit

pass cdl pre trip inspection

Brian Smith

October 9, 2023

Best Free CDL Pre-Trip Inspection Checklist | Trucker Safety & Profit

The indispensable CDL pre trip inspection checklist is one of the most important rituals of a driver's day. Industry veterans know this routine like the back of their hands—it's that vital to the trade— but new drivers struggle with how to remember their CDL pre trip inspections, especially for the exam.

Drivers are required to complete this walkthrough at least every 24 hours, after their mandatory 10-hour break. A detailed inspection can safeguard not only your safety but also that of everyone else on the road.

This article will walk you through an exhaustive checklist to follow before every trip, as well as the potential costs of not doing so. We've designed this list with YOU in mind, so we're throwing in some money-making tips that will help you avoid steep fines and costly repairs.

"Spotting and fixing vehicle defects early on keeps you safe and your truck in good shape."

cdl pre trip inspection checklist

Why Following the CDL Pre-Inspection Checklist is So Important

The price of a failed DOT inspection makes completing a thorough CDL pre trip inspection checklist even more pressing. Violations can cost carriers thousands each year in both penalties and out-of-service (OOS) trucks. According to the FMCSA, around 20% of vehicles are OOS due to failed inspections at any given time. For an owner-operator, this means you'd be paying thousands in vehicle payments on a truck that's not earning you any money.

The pre trip checklist is designed to avoid any possible accidents due to equipment failure and failed safety inspections. A few minutes of caution pays for itself ten-fold down the line.

DOT & Truck Inspection

  • Steer Axle/ Rear Suspension
  • Side of Cab
  • Rear of Cab

Driver Shaft/Rear Frame

  • Trailer Front/Side/Rear- Trailer Suspension

Gauges/Inner Truck

  • DVIR form fill out
"Most pre-trip truck inspection lists cover safety. We go beyond that with time and money-saving tips in our pre-trip inspection checklist PDF." - Brian Smith, Director, Global Marketing of Cota Systems
  • Get the Google Sheet
  • Download the Printable PDF

General Tips Throughout Your Pre-Trip Inspection

Because you don't have access to a pre trip inspection checklist during the CDL exam, drivers have created a few tricks to pass this part of the test. The most common memorization tricks are:

BBC: Is any plastic or metal bent, broken, or cracked?

CDL: No hard materials should be cracked, damaged or loose.

ABC: Are there any abrasions, bulges, or cuts on the rubber?

PFL: Peak for leaks in fluid and air containers.

PMS: Are bolts properly mounted and secure?

ABCDF: Do you see abrasions, bulges, cuts, dry rot, or frays?

A bit of common sense will help you put these acronyms to good use. For example, there's no way BBC would apply to rubber, as rubber wouldn't be bent, cracked, or broken. Most drivers pick one for each material type and stick with it until they get more comfortable with the list.

What are the ABCS in a pre-trip inspection?

As mentioned above, the ABCs refer to Abrasions, Bulges, and Cuts to check for during the Class A CDL pre-trip inspection. This applies to rubber or soft surfaces - things like tires, hoses, and rubber bushings.

How Long Should a Proper CDL Checklist & Inspection Take?

Ideally, it takes 15-30 minutes to run through the CDL pre trip inspection checklist depending on experience level and whether or not any issues are found. If issues are found, they must be fixed right then, before taking any more loads.

The cost of preventative maintenance averages $15,000 per truck per year. This figure is a drop in the bucket compared to the cost of inoperable equipment. Breakdowns and crashes due to mechanical failure cost carriers billions industry-wide. Consider an owner-op paying $3,500 per month on insurance and loan payments. Those payments still have to be made regardless of whether the truck is in the shop or on the road. Adds up quickly right? Spending a bit of extra time and money on prevention keeps trucks on the road and earning money.

CDL Inspection Checklist Driver

Get your Free CDL Pre-Trip Inspection checklist today!

Standard cdl pre trip inspection checklist.

Our pre-trip inspection Class A checklist serves two purposes: helping new drivers pass this portion of the CDL exam, and guiding CDL holders through the process with 100% accuracy every time.

A few exam tips before the pre-trip checklist:

  • Point to or physically touch each area being inspected. This will help your memory and prove you know your stuff.
  • Start with a big section and break it down into small sections from left to right like reading a book.
  • During the test, make at least 2 checks for every item or area.

▢ Hoses: all hoses should be secured on both ends with no splits or cuts

▢ Fluids: engine oil, washer fluid, coolants, and power steering

▢ Belts: no more than 1/2"" to 3/4"" of give, securely mounted with no fraying ends

▢ Alternator: securely mounted, belt in good shape

▢ Water pump: properly mounted with no split or leaking hoses

▢ Air compressor: securely mounted, no visible or audible leaks

If Left Unchecked:

Oil leaks and coolant issues are two of the most common breakdown causes, both of which can be spotted during pre-trip. Scheduling dry maintenance every 10,000-25,000 miles and wet maintenance every 25,000-50,000 miles can prevent most engine issues. These regular services, ranging from $50-$450 , are nothing compared to the price of replacing or rebuilding an engine - $20,000 - $40,000 . Thorough pre-trip inspections are the best way to avoid engine breakdowns and escalated damage.

engine truck inspection

▢ Brake Pads: ¼ minimum brake pad thickness

▢ Slack Adjuster: 1” of play and at a 90' angle to the brake chamber

▢ Brake Chamber : no audible leaks or visible damage

▢ Brake Hose: securely mounted, no audible leaks, splits, or cuts

▢ Brake Drum: no bluing from excessive heat, securely mounted

Brake problems are the most common cause of semi-truck accidents . While over-breaking is a big player in this, a lack of maintenance and unnoticed airline damage usually play roles, too. 

Brake pad replacement costs $150-$300 per axle ($750-$1,500 total) and $80-$160 per hour in labor. The consequences of brake failure are incalculable - body repairs, cargo damage, and strikes to your carrier safety rating will follow you. The last thing you want to deal with is higher insurance premiums or trouble getting placed on loads. Take this part of your pre-trip inspection extra seriously.

cdl class a pre trip inspection for brakes

  • Front: clearance lights, headlights, high beams, turn signals, flashers
  • Sides: turn signals, flashers, clearance lights
  • Rear: tail lights, brake lights, left turn, right turn, 4-way flashers
  • Front: clearance lights
  • Rear: clearance lights, tail lights, license plate lights, brake lights, turn signals, flashers

▢ Reflector Tape: clear, free of dirt

If Left Unchecked:  

Fines for a headlight out vary from state to state, but the consequences of non-functioning brake lights or turn signals could confuse drivers and create unsafe situations. Both of these can be spotted and fixed during a pre-trip inspection. It's easy to run to the shop and change the light yourself if possible. License plate bulbs are just a few cents, and headlight kits range from $40-$250 . Don't add the price of a ticket on top from getting pulled over!

On the topic of lights, it's important to note that warning lights like the engine light or battery alert light should be addressed immediately to avoid developing into bigger issues down the road.

pass cdl pre trip inspection

▢ Wheel inside: not broken, no illegal welds

▢ Wheel outside: no cracks or illegal welds

▢ Tires: no cuts or bulges, air gauge matches manufacturer recommendations, tread depth at least 4/32" and evenly worn

▢ Spacing: duals are properly spaced

▢ Valve Stem: not audibly leaking. metal cap in place and secure

▢ Lug Nuts: present, tight, no cracks

▢ Hub Seal: not cracked or loose

Tire problems cause 8,000 truck accidents per year. While flats are sometimes unpreventable, blowouts can be caused by improper inflation , which can also shorten the lifespan of your tires via irregular wear and tear. Timely alignments and rotations can also keep tires running longer; the price of new big rig tires is from $250 to $600 . A tire blowout mid-load can make you miss your appointment and waste precious driving hours - all the more reason to be thorough in your truck inspection.

Something to keep in mind is the way you conduct your pre-trip checklist is important. For example, there are a lot of videos and content showing truckers how to check their tires by kicking, beating, and even using a hammer. Hitting a tire with force like that, in the right spot (damaged) can lead to a blow-up and severely injure you and your truck. Even lugging around a damaged tire can lead to a blow-up . Stay safe and take all necessary precautions!

cdl pre-trip wheel check

Steer Axle/Rear Suspension

▢ Steering Shaft: not BBC, securely mounted

▢ Steering Gear Box: not BBC, securely mounted, no visible leaks

▢ Hose: no visible leaks, properly mounted

▢ Pitman Arm: not BBC, securely mounted, nuts and pins are all hardware is present and secure

▢ Drag Link: rubber is in good shape, bushings are properly greased and not split or cut

▢ Upper/Lower Control Arms and Tie Rod: not BBC, securely mounted

▢ Spring Mounts: not BBC, securely mounted

▢ Leaf Springs:  not BBC, securely mounted, not shifted or scissored

▢ U-bolts: not BBC, securely mounted, all accounted for

▢ Shock Absorber: not BBC, securely mounted, no visible leaks, rubber bushings aren't dry rotting

If Left Unchecked: 

On their own, each of these parts isn't a huge deal to replace. For example, 

  • Steering Shafts: $100-$300
  • Pitman Arms: $50-$200
  • Steering Gear Box: $150-750
  • Shock Absorber: $50 - $90

On the other end of the spectrum, neglect can lead to the truck leaning to one side, which can cause further damage. Blown shock absorbers will also make your truck hard to handle, steer, and control. Say it takes a mechanic 3-5 days to diagnose and fix a suspension issue. You could lose out on $1,000 - $3,000 in earnings that week, plus the several hundred it will cost in repairs. Spotting these issues during your 15-minute pre-trip inspection could save you thousands.

steel axle truck inspection

▢ Mirrors: mirrors adjusted properly and without cracks, free of dirt

▢ Foot Pedals: unobstructed

▢ Horns: functioning properly

▢ Windshield: no stickers, cracks, or excessive dirt

▢ Heater/defrost: both operate when the fan is set to max

▢ Wipers: arms move properly when turned on, and wiper fluid works

▢ Steps: mounted and secured

▢ DEF cap: secured

▢ Fuel cap: gasket and vent in place, chain secures cap to the tank

▢ Skirting: no damage, panels secure

To be mid-trip and discover your defrost or wipers don't work can be a scary feeling. A suddenly obstructed view with no way to clear it is what the in cab inspection is meant to avoid.

With the average truck eating up $15,000 per year in maintenance and repairs, it's the little things that add up to such a steep number. For example, fixing a windshield can cost anywhere from $500 - $2,000, depending on the truck type and severity of damage. Wiper blades cost $14 - $35 on average, and an AC compressor would cost around $200 to fix/replace . It's easy to see how these numbers add up fast, but waiting until something breaks on the road and taking on the cost of an OOS violation can quickly double and even triple those numbers.

semi truck in cab inspection

▢ Frame: no illegal welds, not BBC, no rust

▢ Drive Shaft: not BBC, properly mounted, not twisted, and the U-joints are clean

▢ Universal joint: not BBC

▢ Differential: no leaks

Rusting frames and chassis can be prevented and stopped in their tracks with preventative protective sprays . To protect a drive shaft, keep it free of dirt and debris and make sure it's well lubricated. The price of a new driveshaft is around $1,200 . The cost of checking it during pre-trip is free. Remember, the purpose of a pre trip inspection Class A is to not only keep you safe but to spot mechanical issues before they get worse.

cdl class a pre trip inspection of driver shaft

▢ Bolts/Bracket: all accounted for and secure, not broken or bent

▢ Locking pins: all accounted for and secure, not broken or bent

▢ Release Handle: releases freely and is in the locked position.

▢ Apron: no cracks, no gap between apron and 5th wheel plate, securely fastened

▢ Skid Plate: no cracks, properly greased, securely mounted

▢ Platform: securely mounted, not cracked or broken, no illegal welds

▢ Kingpin/Locking Jaws: locking jaws are wrapped around kingpin, which is straight with no chips or welds

▢ Air Lines: securely mounted at both ends. Lines are free of cuts, no audible leaks.

▢ Electrical line: secured at both ends. Lines are free of cuts, no audible leaks.

The consequence of worn brackets or pins is accidental uncoupling, otherwise known as dropping a trailer. Not only can this cause accidents, but it can damage the trailer and the cargo inside. In these cases, the carrier is almost always liable for any damages.

fifth wheel class a pre trip inspection

▢ Header Board: properly mounted and secured, not BBC, no missing rivets

▢ Clearance lights: not loose, cracked, or dirty 

▢ Top rail: No cracks or collision damage.

▢ Rivets, holes: no holes, all rivets in place.

▢ Landing gear: properly mounted and secured, not BBC, shoes are present, handle moves freely

▢ DOT tape: covers at least 50%, not dirty or peeling

▢ Floor: no holes

▢ Cross members: none are damaged, missing, or twisting

▢ Tandem release: properly mounted and secured, not BBC

▢  Slide rail: properly mounted and secured, not BBC

▢  Pins: engaged

▢ Clearance lights: not cracked or dirty

▢ Doors: not broken, no holes, seal intact

▢ Hinges:   securely mounted, not BBC

▢ Door handles and rods: securely mounted, functioning properly

▢ Lights: securely mounted, not cracked or dirty

▢ DOT tape: clean, covers 100% of the backside of the trailer

▢ Bumper: properly secured, not BBC

The trailer keeps your precious cargo safe. Issues with the cross members, flooring, or doors leave cargo unsecured and exposed to the elements. Of this list, the most expensive fix is replacing or repairing cross members. Just one broken cross member puts a truck OOS, and repair/replacement costs thousands , mostly in labor. How can they get damaged?

  • sloppy hooking/unhooking
  • exposure to the elements
  • uneven loading
  • punctures from inside the trailer
  • blown tires

If you notice trailer damage during your Class A pre-trip inspection, you'll have to get it fixed before taking any more loads.

trailer pre-trip inspection

▢ Air pressure: set to proper operating range, no warning lights

▢ Temperature gauge: rising to proper operating range, no warnings

▢ Oil pressure: rising to proper operating range (25-50 PSI), no warnings

▢ Voltmeter: operational, 13 - 14 volts

▢ Dashboard light indicators: check the indicators for the high beams, turn signals, and flashers.

▢ Fuel: gauge matches visual compared to looking in the tank

▢ Tachometer: 1000-1500

▢ Water temperature: 180-205 degrees

▢ Def level: minimum of one light bar

If these gauges don't pass the pre trip inspection Class A checklist, it's likely due to faulty wiring or a fuse issue. You'll have to identify the source or take it to someone who can.

Simple electrical fixes can be done on your own. At a mechanic, a blown fuse costs around $100 to repair, and a full rewiring can cost anywhere from $1,000 - $2,000 .

Preventative maintenance includes replacing old connections with more modern technology and having circuit protectors checked during regular maintenance.

how to check gauge pre-trip

A DVIR, or Driver's Daily Vehicle Inspection Report, is the form that drivers fill out during the Class A pre-trip inspection and at the end of their day. It's designed to keep the company informed of any missing or damaged parts of the truck, keep maintenance costs as low as possible, and keep trucks on the road safely.

Drivers should keep their completed forms accessible and stored for up to 6 months, just in case they're asked to pull them for reference.

DVIR form post pre trip inspection checklist

Most Common Issues Found During Pre Trip Inspection

Below are the most common issues found while running through a CDL pre trip inspection checklist. If left unchecked, these things can lead to getting pulled over and receiving a violation, or worse, causing a breakdown where you or others are hurt. 

Here's a run-through of what to do if you run into these common issues and how to avoid them."

Broken Lights

What to Do:

The first of the three L's (lights, leaks, and leans), broken lights are an easy way to get pulled over and trigger a full-blown roadside inspection. If you notice an issue with one of the many lights during your truck inspection, you're required (and it's in your best interest) to get a replacement immediately.

How to Avoid This:

Obviously, there's no way to avoid lights going out. However, you can avoid faulty reflectors by getting regular washes, especially if you've driven somewhere rural or salted. Shippers appreciate a clean truck, too.

Maintenance as a Money Saver:

Lighting violations are known as ""gateway violations"" because they open the door to law enforcement noticing other things wrong with the truck. This makes staying on top of maintenance even more pressing. For example, most new reflectors cost around $5 each . If you get pulled over for missing or faulty reflectors, it could trigger an inspection that makes you A) sit still and waste hours, B) miss your appointments, C) end up OOS, and D) get in trouble with your company.

Leaning is the second of the three L's. A leaning truck could indicate

  • tire problems
  • faulty suspension
  • worn spring bushings
  • airbag issues

The first step is to check out the above mechanisms yourself for any noticeable worn springs or airbag problems. To avoid damaging any equipment even further, go to the shop after your pre-trip inspection and get it checked out.

Uneven loading puts excess strain on the truck and can cause leaning over time. You have every right to ask shippers to fix uneven or shoddy loading.

A new leaf spring is one common solution to fixing a leaning truck. Costing anywhere from $80 - $450 , it's a solid first step compared to full suspension repair which costs $1,000 - $2,000.

The last of the three L's are leaks. When you look on the ground near the engine, do you see any puddles or fluids? There are three common sources:

  • power steering
  • water leaks
  • brake fluid

Identify the source. What type of liquid is it? Does it smell? How big is the puddle? Is the radiator cap secured and not broken? If you can identify the problem and fix it - great. If not, make a call to the nearest shop.

The reason you check every bolt and hose on the pre trip inspection Class A checklist is to avoid these mystery leaks. Preventative maintenance is key.

Maintenance as a Money Saver: 

It's a lot cheaper to replace nuts and bolts than it is to replace an entire system that's been damaged due to ongoing leaking. Driving with a leaking radiator can damage engine bay components and require repairs to a chain of other parts. If the problem was the radiator gasket, for example, the cost of a replacement would only be around $40 .

The limit for tread depth is 4/32" on steer tires and 2/32" on others to pass a Class A pre trip inspection. Sometimes tires look good during inspection, but after a long haul, treads have worn down too low. 

Tire replacement should be prompt - blowouts happen all the time and can do serious damage to the underside of the trailer. Check if the tire is still under warranty, and have it and any others replaced ASAP.

Make sure tires are always filled to the manufacturer's recommendation and ideally the same PSI in each tire. Note that tread loss accelerates in extreme heat. Tires gain about 1 pound of pressure every 10 degrees as the temperature increases. Asphalt can be 20-50 degrees hotter than the air; keep that in mind before thinking any bulges or worn tread will be fine.

New big rig tires cost $250 - $600 , or $0.04 per mile. Because of the high cost, many large fleets are opting for imported tires to keep costs down. Research reviews on the brand you have in mind first - many have bad reviews from truckers. Here's a video that shows how much time can be lost by blowing a steer tire.

Overheating

Pull over safely and legally. Give the truck some time to cool down in idle. Try turning the heat on to get some of that heat out of the engine - it will feel uncomfortable but protecting the engine is worth it. Check to see if the radiator is jammed with debris or has bent fins. An overheating truck could be difficult to diagnose, and you'll most likely have to have a mobile mechanic come to you. If you were going up a steep grade, it might have just been the way you were driving.

  • Keep the radiator clean
  • Check the muffler for soot build-up in older trucks
  • Don't use cruise control in hilly areas
  • Don't overload the trailer

Constant overheating can be hard to diagnose, and it can make you chronically late to appointments. Regular maintenance and a thorough CDL pre trip inspection Class A are where the little details can be spotted and nipped in the bud.

why you need to follow the CDL pre trip inspection checklist

Cota Systems Make More Money Per Mile CDL Pre-Trip Checklist

We know the struggle of hauling empty or partially full trucks and deadheading between every load. Our solution? Seamlessly connecting truckers with available LTL loads that complement their route and trailer capacity. Free and easy to use, Cota Systems™ platform makes it simple to earn more money per mile. We'll send you available LTL truck loads on your preferred routes as soon as they're posted.

Simply sync all of your favorite load boards into Cota Systems™ for easy browsing and instant notifications.

COTA SYSTEMS™ Mobile App

Cota Systems™ mobile app connects drivers with new loads and their dispatchers no matter where they are.

  • Extra loads on the road.
  • Scan and send documents.
  • Keep track of your earnings.
  • Seamless dispatch integration.
  • Real-time load notifications.
  • Stay connected anywhere.

Staying efficient on the road makes the difference between staying profitable and staying afloat.

Our trucking dispatch software is completely free and feature-rich, saving teams time on paperwork and document sharing. The platform integrates seamlessly with the driver app simplifying everything from load finding to billing.

How Cota Systems™ helps drivers 10X their income:

  • Eliminates wasted miles with convenient LTL and partial load boards
  • Efficient document uploading and one-click billing
  • Communicate with shippers in the same app
  • Load board syncing cuts down the time it takes to book a load

Bypass Construction

The DOT 511 traffic app provides state-specific traffic and construction updates. Check for delays on your route to get ahead of detours and lane closures. Each state has their own app, so download it ahead of time.

Why does it matter? If you earn $0.60 per mile on a 400-mile trip, that's $240 earned in roughly 8 hours. Now, say traffic adds 1.5 hours to your trip. You still earn the same $240 AND you don't have the opportunity to pick up another load before you reset. Time is money!"

In 2016, truckers were delayed a total of 1.2 billion hours because of congestion on the road - that's in the billions! Truck bottlenecks are mostly common in major cities. Planning your route ahead of time to avoid traffic delays is crucial to your bottom line.

traffic jams cost truckers money

Weather Apps

Winter and summer storms can eat into income and create seriously dangerous roads. Depending on the weather, you might be able to plan a different route to avoid delays or change the time and place you stop to rest. The AccuWeather app is a popular choice among drivers. 

The horror stories of drivers getting stuck at a rest stop for days or getting blown over by strong winds paint the ugly picture of the weather as a driver's biggest opponent.

Truck Parking

After finishing your Class A CDL pre trip inspection, take a few minutes to map out overnight parking spots along your route. American Truck Parking does a good job of showing truck stops and rest areas that offer overnight parking, as well as the pricing, pictures, and other amenities. You can filter out for gated parking spots, CAT scales, showers, truck washes, and much more. Compare pricing beforehand and save yourself the cash!

Dock Details

Headed to a new shed? Check them out on Dock 411 to confirm things like pallet restrictions and hours of operation. Not sure if you can fit? Most places have pictures that other drivers took or reviews about slow loading and yard hazards.

The benefit? This helps plan things like getting lunch, calculating hours, and knowing whether or not you even want to take a certain load. If you see reviews that a shed has an average 7-hour loading time (the standard is 2.5 hours ), you can have a conversation with dispatch early on to make a game plan regarding detention and/or layovers.

truck driver waiting at dock detention time

Gas Buddy helps truckers find the cheapest gas prices along their route. While you're looking, you can see what stops have showers, food, repairmen, and other amenities so you can save time at a 1-stop shop.

For reference, the average owner-operator spends $45,605 on fuel per year ( 2022 ). Company drivers don't usually have this problem since they have discounted fuel cards. (You can get fuel cards with Cota Systems , too).

Legally Bypass Inspection Sites

Did we mention that time is money? Another way to save time is with Drivewyze , an in-cab app for driver devices that provides inspection bypass opportunities at 884 weigh stations across the states. When bypass isn't allowed, they have an e-inspection system that speeds up the process and avoids long lines. It sounds too good to be true, but it's 100% legal and works 89% of the time. Prepass is another company that offers this service.

Weigh station stops can take anywhere from 30 minutes to a few hours if lines are long or they find something wrong with your truck. That 30-minute stop could have earned you $15 (at $0.60/mile for 25 miles). Doing so every day could cost you $300/month, and that's IF the stops only take 30 minutes!

Most drivers use a combination of navigation apps. Hammer and Google Maps are popular choices. Systems made specifically for truckers won't take you down prohibited roads - that's why Google Maps alone might not cut it.

Health Apps

Recent studies found that workers who take care of their mental health average 9.3 fewer sick days per year than workers who don't. The life expectancy of truck drivers is 61 years , partly due to their unhealthy lifestyle and work-related stress. Your health is just as important as any CDL pre-trip list. Obesity is one of the most prevalent health issues in the trucking industry for long-haul drivers. These healthy habits can save you down the line:

  • Skip the fast food, sugary snacks, and sodas.
  • Find a way to manage your stress. Talking to a friend while you drive or finding a podcast that you enjoy are two common solutions.
  • Exercise during home days focusing on your back.
  • Switch up your stimulants. Instead of Redbull every day, try green tea, coffee, or Yerba Mate a few days per week.

Try out some apps like MyFitnessPal for weight loss and nutrient tracking or Luminosity for mental health support.

long haul trucker health concerns fmcsa department of transportation

OTR drivers can take advantage of toll services like Prepass (which also serves as a weigh station bypass) and Best Pass , a prepaid transponder system. If a toll company isn't covered, it's best to just use cash and keep your receipt. A few tips:

  • Take a second to review toll prices on your trip. Any tolls should be factored in when dispatch discusses rates, especially in cities.
  • Find and join any toll discount program you can find (take the New York toll reimbursement program, for example)
  • Best Pass offers cash toll discounts, but you should verify that the transponder rate wouldn't have been the same (and much faster).

How to Remember Pre Trip Inspection CDL Checklist

Start with our printable CDL pre trip inspection cheat sheet and repeat, repeat, repeat. Use the same checklist every time so your brain can get into that rhythm. Remember the acronyms:

BBC: Bent, broken, or cracked

ABC: Abrasions, bruises, cuts

PFL: Peak for leaks

3 L's: Lights, leaks, leans

Understanding the mechanics of the truck and how everything works together will help your brain form stronger connections and remember more. Try explaining the process to your wife, kids, or friends (even if they won't remember) so you can spot areas you need to study the CDL pre trip inspection PDF more.

What is the item most commonly overlooked during a pre trip inspection?

A few items on the CDL pre trip inspection checklist trip up new drivers most often:

  • Chocks: During your CDL class a pre trip inspection, you'll have the vehicle on and off, and be testing various brake systems. Chocks prevent the truck from moving around while you're underneath and walking around.
  • Seatbelts: It's often the last thing on a new driver's mind on the long list of items to inspect. But, your life depends on it.
  • Emergency Kit: Especially if you drive a shared truck, you don't know if the previous driver used up anything in the kit. Just because you see the kit doesn't mean everything is present and functional.
  • Reflectors: Reflectors help other vehicles see you at night. Because there are so many, drivers rush through this check or give them a quick glance. These are another "gateway violation" that can get you pulled over and given a roadside inspection.
  • Wheel Lug Nuts: Loose wheel fasteners could have your tires speeding down the freeway toward other cars and trucks. Double-check that all lug nuts are fastened and free of rust.
  • Personal Health: Remember the figures we mentioned about truck driver life expectancy. Put your health first, and don't drive if you feel sick and feverish.

This is all about the safety of you and others. Keep your pre trip inspection Class A cheat sheet with you and go through the same, thorough motions every time.

CDL Class B Pre Trip Inspection

The CDL Class B pre trip inspection follows virtually the same guidelines as Class A, but they differ in terms of vehicle type. 

Class B includes buses, straight trucks, and smaller commercial vehicles that are typically not designed to tow additional trailers. Items like the 5th wheel and coupling mechanisms are obviously left off. Drivers have to check passenger doors, wheelchair lifts, handrails, emergency exits, and seating for passenger safety.

New Truck Pre-Inspection Checklist Addition

Non owner-operators who are regularly assigned new trucks can't take for granted that everything was left as you might have left it. Add these to your pre-inspection checklist:

  • Cab card & book: permits, registration, IFTA paperwork, and cab cards are present and up-to-date
  • IFTA Sticker: current year is displayed on both sides of the truck
  • Elog Device: present and functional
  • Permits: in the cab card book and up to date
  • License Plate: front and back plates match
  • Medical Card: med card and CDL are on your person or in the truck
  • Paper Logbook: backup if E-log stops working
  • Inspection sticker: stuck to the side of the truck and up-to-date
  • FMCSA Safety Book: within arms reach of the driver's seat

Additional Supplies: load securing equipment, extra coolant and oil, cable cutters, hammer and wrench, hard hat, and steel-toed boots.

Final Notes on Completing Your CDL Pre-Trip Inspection Checklist

So, you're armed with the ultimate CDL pre trip inspection checklist that will help you pass your exam and save on vehicle maintenance. Your truck is your money maker; our goal for this guide is to give drivers the tools to protect their biggest asset and keep the most money in their pockets as they can.

Learn more about how to earn more money and truck driver pay in our blog . Here's another link to the pre trip inspection Class A PDF . Good luck!

I joined Cota Systems to help U.S. truckers grow their businesses. I proudly served in the U.S. Navy, managed some of the largest brands on earth, and I'm excited to share what I've learned with you. Truckers are the backbone of our great nation and when you and your family are thriving, so is America! 🇺🇸

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pass cdl pre trip inspection

CDL Pre-Trip Inspection Test and How To Memorize It

The pre-trip is one of the things that students fear the most and fail the most. Let’s face it, the pre-trip is intimidating because there is so much stuff to memorize. The key to learning the pre-trip inspection is preparation, memorization, and repetition. Don’t go away, in this article I have exactly what you need to make sure you pass it the first time.

It is going to take time for you to memorize everything and the only way to do this is by repeating it over and over.

Hopefully, the school where you are being trained is giving you enough time to practice it everyday you are there.

I can’t stress that enough, regardless of which method you use below you need to repeat it daily and practice on your own.

Don’t expect that your run through once a day with your instructor is enough, it isn’t.

In this article I’m going to give you 8 tips that will help you memorize the pre-trip so you are able to pass it your first time and move on with your driving career.

1. REPETITION!

The only way to memorize the pre-trip is to repeat it over and over. Start with the engine area and work your way around the truck and finally inside the cab.

There is no way around consistent repetition. The more you do it the more you will memorize it. It’s just that simple.

Now that we have established how important repetition is I want you go through the rest of this list and figure out which method (or methods) works best for you and then repeat it over and over.

2. Record Someone Else

You can use YouTube to find a video of someone doing a pretrip and for the most part they work pretty well (more about YouTube later).

Take it a step further though. Ask someone (like and instructor or friend) to do a pre-trip and video record them.

While they are doing it try to use the zoom function on your camera so that you know what the parts look like and what is being checked.

Students that I come across have said that this method works really well because you have quality video and audio. Just watch your recording over and over and this stuff will be engraved in your brain.

Just make sure you are absolutely sure that the person you record knows what they are doing and are showing you everything. You don’t want to watch a video that skips anything that will be on the test.

3. Smaller Chunks

Break down the pre-trip into smaller chunks so that it is not overwhelming. If you think about memorizing everything at once it will be a daunting task.

My suggestion is you learn your air brakes first, then the inside of the cab, the engine compartment, and then the rest of the truck. You can chose any order that you want to as long as it helps you out.

Memorize each part and then tie it all together. You will find that learning the pre-trip is much easier if you do it this way.

4. Use Your Imagination

Do this while in bed before you fall asleep. Warning: the pre-trip is going to consume a lot of your attention during training, even while you sleep!

When you wake up go through a video you found on YouTube or the one you recorded (see #2) and correct any errors you made.

5. Find A Truck

It really helps if you have access to a truck. Pictures alone are not enough. Most of you are probably getting your training through a private school, company sponsored training , or community college.

All of these will give you access to an actual truck and should be taking time each day to practice the pre-trip.

Take advantage of this time with the truck to practice your pre-trip as much as possible. When class ends try to stick around to get in some extra practice, this could be the difference between passing and failing.

6. Watch A Pre-Trip Video On YouTube (not straight through)

There are a lot of videos on YouTube that you can choose from. Let me save you some time, these two (below) is the best because it has good audio and video quality, is accurate, and is easy to follow.

Don’t watch the video straight through over and over. Like I mentioned earlier you should chunk it into smaller sections.

Watch a section, pause it, and list off the names of the parts and things to look for. Play it again to see if you are getting them correct. When you finish one section go on to another section until you finish it.

Don’t move on to a new section until you have memorized the section you started. When you complete all the sections you should be able to watch the whole pre-trip and repeat everything on it from start to finish.

If you want to challenge yourself a little try mixing up the sections so that the sections that was last is now first. This will let you know if you are really memorizing everything.

7. Use A Checklist

Probably the most popular ways to memorize the pre-trip is to use a checklist. No doubt that wherever you are getting your training at is already giving you a checklist to use.

Use it. A lot.

Not all checklists are done in the same order but they should all cover the same stuff. I like this one here (printable PDF document) by the people at Trucking Truth , it’s easy to follow and is accurate.

Every possible thing that you will need to identify during the pre-trip is on this checklist.

8. Use Pictures/Diagrams

There are a ton of picture resources out there that will help you memorize the test. Just do a search for “cdl pre-trip inspection pictures” and you will find a ton of stuff.

The picture I like most are these (link to PDF) by Driver Solutions. The pictures are easy to see and distinct arrows are used to point to each part. Along with pictures is an explanation of what to look for and what to say for each individual part.

What Is The Pre-Trip Inspection?

The pre-trip inspection is an inspection of the commercial vehicle including the cab, engine compartment, and exterior.

A driver of a commercial vehicle is required, by federal law, to complete one every day before driving the vehicle and at least once in a 24 hour period. Every single time you begin driving your truck you will have to complete a pre-trip.

The purpose of it is to make sure that the vehicle is safe to drive.

This gives you a chance to get whatever is wrong fixed. If you miss something and are inspected it could result in citations by the DOT.

A lot of drivers find it to be a pain in the rear but you really need to do it every single time you drive your truck. Don’t listen to the irresponsible driver at the truck stop that tells you it’s okay to skip it. It’s not okay.

How Long Does An Inspection Take?

A pre-trip usually takes about 15-45 minutes to complete. It really depends on the type of truck you are inspecting and your experience.

After several years of driving it’s inevitable that your pre-trip is going to be quicker because you are better at doing it and you know what to look for.

As a new driver you should take your time and make sure you do it right. Make it a habit to always conduct a thorough inspection so that you run into less problems while on the road.

What To Say During The Pre-Trip Test

Knowing what to say is important during the test. There are some specific language the person testing you is going to be listening for. More than likely you already heard these phrases but here is an easy way to remember what to say:

PMS— Properly Mounted, Secure ABC— Abrasions, Bulges, Cuts CBB— Cracked, Bent, Broken

There are some tricks that you can use to make sure you say the right thing, here they are: 1 . If its mounted (almost everything is) use the words, “Properly Mounted, Secure” (PMS) 2. If its rubber use the words, “Abrasions, Bulges, Cuts” (ABC) 3. If it’s metal or another hard surface use the words, “Cracked, Bent, Broken” (CBB) 4. If it has fluid or air going through it or in it remember to say, “Not Leaking”

This language shouldn’t be new to you, hopefully the school that is training you has already taught you this stuff.

What Should You Cover During The Pre-Trip?

The areas that you should cover include the coupling system, light check, in-cab inspection, engine compartment, trailer, and drivers door fuel area. Make sure that you are prepared for all of these.

Also, keep in mind that CDL schools/classes may cover the pre-trip in different orders. It’s okay though, they all cover the same stuff. The order that you practice is probably going to be different from someones in a different school/class.

There is no correct order as long as you memorize everything.

What Will Be Tested On The Actual State Pre-trip Inspection Test?

You will be required to perform a pre-trip for the light check, the in-cab inspection, and the coupling system. These 3 areas you have to complete.

After completing those 3 areas your examiner will have you perform one of the following: the engine compartment, trailer, drivers door fuel door, or the entire vehicle.

You will not know ahead of time which one the examiner will choose. This is why it is crucial that you know all the areas.

What Else You Can Do To Prepare?

Aside from the ways listed above to help you memorize the pre-trip there are some other things you can do.

One thing you can do is try answering some practice tests like these here from Trucking Truth. There are 5 free practice tests you can take.

I really find that these practice tests reinforce what you need to know for the real test. It’s worth your time try them out just to see how you do.

What If You Fail The Pre-Trip?

If you do fail the pre-trip you are able to retake it. Make sure you know why you failed the test, ask the inspector if he/she can specifically tell you what you did wrong.

This is usually never a problem because the inspectors want you to know what you missed so that you can pass the test the next time.

One more thing, don’t be embarrassed because you didn’t pass it on your first try! This happens to a lot of people! You are not the only person that will fail the pre-trip and you won’t be the last.

Study what it is that you missed/did wrong and pass it on your second attempt.

Extra Tips For Passing The Pre-Trip Test

Probably the most common reason people fail the pre-trip is because they are nervous.

The two things that will help you out the most is to always remember that the pre-trip is a verbal contact test.

As you start walking towards the vehicle you should already be looking for any leaks under it, broken marker lights, loose mirror brakes and anything else that seems out of place.

BE VERBAL! Your number one priority is to make sure the examiner knows that you know what you are talking about. The more you talk the greater your chances are to pass the test.

Even if it might seem you are going overboard just keep going. Examiners tend to like when testers are verbal.

http://www.truthabouttrucking.com/fls/Pre_Trip_Inspection.pd

CONTACT! The second most important thing you can do is make contact with the item you are describing.  For example, as you are explaining the radiator brace you need to make sure you point to or put your hand on the brace as well.

Your examiner wants to make sure that you actually know what the item is that you are explaining.

Make sure you are pointing the the correct item though! Don’t describe the radiator brace while pointing to the turbo!

Again, make sure you are VERBAL and CONTACT every single item (correctly) that you are describing.

Now go pass that test! Good luck driver!

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Pre-Trip Inspection Study Guide

Blue truck for pre-trip inspection

Our Pre-Trip Inspection Study Guide has everything you need to prepare for the Class A CDL Pre-Trip Inspection Exam . Our study guide will cover the pre-trip inspection terminology as well as a thorough list of all of the parts you will be inspecting on the vehicle. For each part you will be inspecting there will also be a list of items you will be checking for. Our study guide is broken down into the following sections:

  • What You Need to Know About Pre-Trip Inspection

Pre-Trip Inspection Practice Questions

  • Pre-Trip Inspection Checklist

Pre-Trip Inspection Videos

Pre-trip inspection printable resources, what you need to know about the pre-trip inspection.

The Pre-Trip Inspection is a thorough inspection of the vehicle and all of its major systems. Inspecting the vehicle before driving each day is a Federal requirement and normally takes about 15 minutes. It must be logged in your logbook as "on duty not driving."

You will have to do thorough safety inspections of the coupling system, the vehicle lights, engine compartment, tires and brakes, the chassis, the fuel tanks, and an in-cab inspection.

The following information is a brief summary of Daniel's Complete Pre-Trip Inspection taken from our oustanding free PDF download:

Engine Compartment

engine compartment pre-trip inspection

You will be checking the engine compartment for any sort of leaks. You will also be checking to see if all components are properly mounted and secured. None of the mounts must be cracked, bent, or broken.

You will be checking all hoses to make sure they aren't leaking, frayed, or sliced and the fluid levels including the oil level, the coolant, and the power steering fluid.

You must check the components like the water pump, the power steering pump, and the alternator to make sure nothing is leaking, the belts are not frayed, and that everything is properly mounted and secured.

From inside the engine compartment you will also find the steering system, the front suspension system, and the front brake system. All components of these systems must be properly mounted and secured without anything being cracked, bent, or broken. Finally you will be checking the tires, rims, and axle seals to make sure the tires are properly inflated, the rim isn't bent or cracked, and the axle seals are not leaking.

Fuel Tank And Battery Area

air lines connecting tractor to trailer

You will be standing along the side of the tractor doing a series of checks on the mirrors, fuel tanks, batteries, exhaust system, and more. You will check to make sure nothing is bent, cracked, broken, or leaking.

Check the mirrors, door hinges, door handle to make sure nothing is cracked, bent, or broken. Check to make sure there is no fuel leaking and that the fuel cap is secured and the gasket is not missing.

Check the exhaust system to make sure nothing is cracked, bent, or broken. Check the driveshaft, cat walk, and steps to make sure nothing is cracked, bent, or broken.

Check the frame and crossmembers for structural integrity. Check the air lines going to the trailer to make sure they're properly connected and that there are no abrasions, bulges, or cuts. Make sure the gaskets are present.

Check the suspension system and brakes on the drive axles, making sure nothing is cracked, bent, or broken. Make sure the brake linings are the proper thickness and that the air bags and properly inflated. Inspect the brake chambers, slack adjusters, and pushrods are properly mounted and secure. Not Cracked, Bent, or Broken. With the brakes released and pulled by hand, the Push Rod should not move more than 1 inch.

Check the rims, tires, and axle seals of the drive tires for proper inflation, no leaks around the seal, and the lugs are all present and secured.

Coupling System

air brake lines connecting the tractor to trailer checked for pre-trip inspection

You will be standing where the tractor and trailer are connected and you'll start by checking the electrical line and air lines to make sure they're properly mounted and secure at both ends. No abrasions, bulges or cuts. Not leaking air. Make sure the electrical line has no wires exposed. Check the gladhands to make sure the seals are in good condition, no cracks or signs of dry rotting. Not leaking air.

Check the skid plate of the fifth wheel and the apron of the trailer to make sure there is no debris and nothing is cracked, bent, or broken. Make sure the fifth wheel is properly greased. Also make sure there is no gap in between the fifth wheel and the trailer apron once the tractor and trailer are coupled. Make sure the kingpin of the trailer is properly mounted and not cracked, bent, or broken and that the locking jaws of the fifth wheel are properly secured when the tractor and trailer are coupled.

Check the mounting bolts where the fifth wheel attaches to the tractor frame. Make sure there are no missing bolts and that everything is secured properly. Check the locking pin if you having a sliding fifth wheel to make sure it's properly locked into place.

Make sure that there is the proper clearance space between the tractor mudflap and the trailer landing gear so that they don’t hit each other when making a turn.

tandem frame and connecting pins are properly locked for pre-trip inspection

You will start inspecting the trailer at the head board, which is the front wall of the trailer. Make sure there are no holes or missing rivets. Check the landing gear to make sure it is properly mounted and secure. Not cracked, bent, or broken. Make sure the fully raised and the handle is secure in the cradle when the tractor and trailer are coupled.

Check the frame and crossmembers under the trailer to make sure they're not cracked, bent, or broken. Check the tandem frame and release pins to make sure the frame is in good condition and the release handle and locking pins are in the fully locked position.

You will check the entire suspension and brake system for the trailer tandems the same way you did for the drive axles of the tractor. You will also make sure the mudflaps are properly secured. For dual tires check to see that there is proper space between the tires and there is nothing stuck between the tires.

Check the rear door and hinges to make sure they are properly mounted and nothing is cracked, bent, or broken. Make sure the door seals are not worn, torn, or dry rotted.

Light Check

lights on the back of the trailer during pre-trip inspection

You will be checking all of the lights and reflectors on both the tractor and the trailer. Check the reflectors and reflective tape to make sure they are properly mounted and secure, not cracked, bent, or broken, and clean and illuminated. Check that you have the proper color of amber to the front and sides, and red to the rear.

Start by turning on your marker lights and headlights. Now walk around the entire truck and trailer and point out the lights. Give the function of the light and the location. You should then ask your examiner to help you check your five functions.

While you're sitting in the drivers seat, the examiner will stand to the front of the truck, then behind the trailer. He will then check your Turn Signals, Four Way Flashers and Brake Lights. You must do each function at every location.

The five locations that you must check your lights:

  • Front of the Truck
  • Both sides of the Truck
  • Rear of the Truck
  • Both sides of the Trailer
  • Rear of the Trailer

The Five Functions you are checking for:

  • Left Turn Signal
  • Right Turn Signal
  • Four Way Flashers
  • High Beams/Low Beams
  • Brake Lights

In-Cab Inspection

in-cab air brake test during pre-trip inspection

The in-cab inspection and air brake check will cover the various gauges and systems inside the cab along with several tests to make sure you air brake system is working properly.

You will start by checking the following:

  • Seat Belt- Properly Mounted and Secure. Not ripped or frayed Adjusts and latches properly.
  • Fire Extinguisher- Properly Mounted and Secure. Fully charged
  • Three Red Reflective Triangles- My three red reflective triangles are GIVE LOCATION
  • Spare Electrical Fuses- My spare electrical fuses are GIVE LOCATION
  • Volmeter, Oil Pressure Gauge, Water Temperature Gauge, and Air Pressure Gauge all show proper operation
  • City horn and air horn functioning properly
  • The windshield and mirrors are clean, no cracks or breaks, no obstructions. The mirrors are in proper adjustment.
  • Windshield Wipers and Washers - Demonstrate that the washers work by spraying the windshield. The Wipers are: Properly Mounted and Secure and operate smoothly. The blades aren't cracked or dry rotten.
  • Heater and Defroster - Demonstrate that both the Heater and Defroster are working properly.
  • Lighting Indicators - Left Turn, Right Turn, Four Way Flashers, and High Beams.

Trailer Parking Brakes - Set the Trailer Brake, release the tractor brake, and then tug lightly on the trailer.

Tractor Parking Brakes- Then set the Tractor Brake, release the trailer brake, and then tug lightly on the tractor.

Service Brake Check - Release both Tractor and Trailer Brakes. Now drive at idle speed. Apply the Service Brake to make sure you come to a complete stop, and that it doesn't pull to the left or right when applying the brakes.

Air Brake Test

in-cab air brake test during pre-trip inspection

The air brake test will consist of a leakdown test to make sure your air brakes aren't leaking air and losing pressure. It will also test the warning lights and buzzer to make sure the driver gets the proper warning if the air pressure drops too low.

There are three stages to an Air Brake Test

#1: Applied Pressure Test

#2: Warning Light and Buzzer

#3 Tractor/Trailer Protection Valve Pop Out

Applied Pressure Test: Build the air pressure to governor cut out. Put the truck in the lowest gear. Then turn off the engine Immediately turn the engine back on. Push in both the tractor and trailer valves. (This will release the parking brakes.) Push and hold the Brake pedal fully. Allow the gauges to stabilize. Announce the gauges have stabilized and the Primary and Secondary PSI. With the Brakes fully pressed, you should not lose more than 4 PSI in one minute. Announce that you are listening for air leaks during that minute.

Warning Light and Buzzer Test: Pump down on the Brake pedal until the warning light and buzzer comes on, at or before 60 PSI.

Tractor/Trailer Protection Valve Pop Out Test: Pump down on the brake pedal until both the tractor and trailer protection valves pop out. They should both pop out between 40 and 20 PSI.

We have a ton of Pre-Trip Inspection Practice Questions along with the answers and a complete scoring system in our Free Online CDL Practice Tests :

The Engine Compartment Section will include questions about checking the oil level and coolant levels, inspecting belt-driven engine components (like the water pump, alternator, and air compressor), and the safety devices required in the cab. There will also be questions regarding the windshield wipers and free play in the steering wheel.

The Lights And Brakes Section will include questions about dashboard indicator lights, inspecting the parking brakes, and doing a leakdown test on the air brakes. It will also include questions about the low air pressure warning signal and testing your air horn and city horn.

The Suspension And Steering Section will include questions about the tractor protection valve, inspecting the steering box, and inspecting many suspension system parts. It will also include questions about welds being present on tire rims and the minimum tread depth required on steering axle tires.

The Tires And Coupling Devices Section will include questions about shiny trails or rusty threads on lug nuts, inspecting the battery box and cover, and inspecting electrical lines. It will also contain questions about inspecting the coupling devices and the fifth wheel skid plate.

The Emergency Equipment And Fifth Wheel Section will include questions about additional emergeny equipment required by school buses, inspecting the gap between the kingpin apron and the fifth wheel skid plate, and the landing gear securement. It will also contain questions about inspecting driver mirrors and the trailer frame.

Pre-Trip Inspection Checklist - Class A

Our pre-trip inspection checklist covers every part of the truck from front to back, both inside and outside of the truck. It covers the air brakes, suspension parts, steering components, wheels and rims, fuel tanks, batteries, lights, and more. It also covers the air brake tug test and checks for everything under the hood including alternator, water pump, fuel pump, fluids, and more.

This is a super handy checklist to study anytime you have a few minutes to spare:

Pre-Trip Inspection Checklist - Free Word Document Download (Editable Version)

Pre-Trip Inspection Checklist - Free PDF Download (Print Version)

Pre-Trip Inspection Video By Apex CDL Institute

Jeff from Apex Institute does an in-depth explanation of the entire pre-trip inspection process. This video is loaded with tips that go beyond the CDL test to help drivers really understand how to identify problems.

Pretrip Inspection Self-Test By CDL College

The Pretrip Inspection Self-Test By CDL College is really unique. It's a silent video which will show you the part you're inspecting and then gives you a few seconds to figure out what you should be checking for before giving you the answer. Definitely check this one out. Great for practicing before the CDL exam.

Pre-Trip Inspection Video By Averitt Express

This is a complete back to front pre-trip inspection of a truck and trailer by Averitt mainentance associate Kevin Breeding. This thorough pre-trip inspection covers all inportant points of inside the cab, lights, engine, the tractor itself and the trailer.

We have included two print versions of the pre-trip inspection process from Daniel. The first is the entire pre-trip inspection and the second is an abbreviated checklist for the inspection.

  • PDF: Daniel's Pre-trip Inspection (Print Version)
  • PDF: Daniel's Pre-trip Inspection Checklist (Print Version)

pass cdl pre trip inspection

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How to Pass the CDL Test Vehicle Pre-Trip Inspection?

September 6, 2021

If you are a beginner driver, passing the CDL test vehicle pre-trip inspection involves many steps. There is a lot you’ll need to check, familiarize, and do before you’re ready. This test is a requirement for truck drivers for quality inspection every time before hitting the road. 

To pass the CDL Test Vehicle Pre-trip Inspection, you need to study and memorize all items tested. You may try learning from watching various videos. Also, there’s nothing better than having your checklist of steps. 

For starters, the CDL Test Vehicle Pre-Trip Inspection is a verbal test that mimics the exact evaluation every truck driver is required to make of their vehicle before a trip. During the test, the driver will need to check or provide varying details on each section’s vehicle’s condition. 

How Do You Do a Good CDL Pre-Trip Inspection? 

You can do a good CDL pre-trip inspection through practice. By repeating the test daily, you can memorize each step. However, if you are starting your truck driving career, the best option is to have your checklist of each step you’ll need to learn.

Create a checklist, or a systematic procedure, that you can familiarize yourself with and follow. If you are comfortable starting the engine, you make that the first step on your list. 

The CDL pre-trip inspection does not have a step-by-step process, so you can start wherever you feel most comfortable and leave the remaining technical stuff in the end. 

Make sure that you cover everything. You can start by analyzing your truck first then proceed with creating your checklist.

Complete CDL License Requirements

If you're interested in getting your CDL, we get you driving. Here is how to study for the CDL pre-trip inspection, an important part of testing. Check out our blog to find out more: https://t.co/NTS8Gk2rDp pic.twitter.com/MROjv6RpYS — Roadmaster (@RoadmasterCDL) November 19, 2020

What Is Normal to Find in Completing a Pre-Trip Inspection?

Normally, you may find yourself doing thorough safety inspections in completing a pre-trip inspection. And once you have your checklist ready, now it’s time for the hard part.  

Every vehicle has dozens of parts that need to be checked. There’s a lot you need to remember. 

If you’re not feeling that confident about your checklist, here are the general areas that you should look through: 

  • For the Engine/Compartment and 1 Axle
  • The 3L’s (Light, Leaks, and Leans)
  • 3 Components
  • Hose and Belts Axle
  • Side and Back of the Truck and 1 Axle
  • Side and Back
  • Connections
  • Trailer and 1 Axle
  • External Light
  • Truck Lights
  • Trailer Lights
  • In-Cab and Break Test
  • 5 Safety Items
  • 5 In Cab Items
  • 5-Step Break Test

For more detailed information about the truck parts above, you can check here . 

If you’re certain that you have your whole checklist ready, what are the next steps? 

How do I get hazmat endorsement on my CDL

For our #truckdrivers , #fleet customers, and our followers who may also be working in the trucking industry, @schneiderjobs has some tips to share on how to properly do a #CDL pre-trip inspection. Find out what you need to do: https://t.co/IF5TwedqpK pic.twitter.com/99SOwl0X8s — Quarles Petroleum (@Quarles_Inc) January 28, 2020

How Do You Pass a CDL Pre-Trip Inspection Like a Pro

Here is some additional information that may help in completing the CDL pre-trip inspection. 

1. Keep Records

This pro tip is the perfect way to avoid getting fines. like your driver’s license, CDL records are subject to random checks. There are some instances that you may experience being inspected at the warehouse or weigh station or being pulled over for some unknown reason. 

Having complete documents, not CDL records, can save you. It’s important to carry them with you. For these events, saying “I’m not informed” or “I didn’t know” can help. It’s better to be ready and stay calm. 

So what are examples of penalties or charges that you can encounter during a random inspection? 

First, you can get a fine. These are unavoidable if you’re found to violate any rules. 

Second, your truck can be ordered to be towed and repaired in some instances. This can cause the discontinuation of your transfer. 

Worst case scenario is that your vehicle can be placed out of service and taken from you, which is unlikely but still possible. 

So it's best to carry your record with you at all times. Think of it as your shield against negative outcomes. Keep your records organized and keep your truck tidy. Make sure to sound confident but not defensive when answering any inspectors’ questions. 

2. Fix What Needs to be Fixed

Yes, it can feel irritating to have to fix any issues with your truck right away. You have to schedule a time for the repairs, lose time at work, and many other reasons. 

However, there are moments when a small problem can turn into a huge expense, even with that said. For example, a small windshield crack can turn into a large crack and shatter. 

Even running over a bump or pothole can affect the windshield once it has a crack in it. It seems like a small problem, but it’s better to deal with it before it gets worse. 

That is why the CDL pre-trip inspection exists: it can help you avoid accidents. Document when every part of your truck will need to be serviced or replaced. Also, record any issues you’ve faced with your truck. This way, you can track the lifespan of the part and set dates for repairs and replacements. 

3. Don’t Delay Repairs

Since you know the importance of keeping your truck in great shape, repairs and replacements should be your priority. While some parts can last a long time without requiring repair, check and track the durability of each part, especially complicated parts like the engine. 

You can schedule weekly or monthly maintenance depending on your preference and availability. It’s better to be safe than risking your vehicle. 

Remember that you can avoid accidents by making regular safety checks from small checkups like oil, wheel, fluids to air filters, batteries, and so on. Always take note that it is important to drive with peace of mind, especially with your truck. 

4. Be Updated With FMCSA

If you are familiar with the FMCSA manual and have studied it for the last few years, there are some updated regulations from FMCSA. There are regulations related to CDL pre-trip vehicle inspection from FMCSA that can help you with the information you need to keep in mind. Check for the latest news and updates. These can benefit you by keeping you on your feet in uncertain situations. 

This can help you avoid getting a fine or even non-compliance tickets in the middle of your trip. 

You can check here for updates with FMCSA Regulations. 

5. Download Trucker Daily on Your Phone Now!

From CDL pre-trip inspection tips to regular news updates, Trucker Daily is here to provide updated information about trucking and road rules. You can download our app on your mobile devices so you can get notified of important news anytime. 

We also have our website to help beginner truck drivers and even experienced ones be well equipped and stay updated with what is needed. Go to further locations, check for the hottest spots, and boost your productivity with learning topics that can help your load and career.

You can go here to download our app to your phone now.

While it may be daunting to pass the CDL Test Vehicle Pre-trip Inspection, it will be worth it. You can be provided with several benefits, and I can attest to this for working in the trucking industry for over 15 years.

About the author

I’m Luis Uribe, author of this website. I am the owner and head publisher for Trucker Daily and a freight brokerage Total Connection Logistics. I have been in and around the trucking industry for over 15 years. It is my mission with Trucker daily to equip truck drivers, with the latest in industry updates, news, and helpful tips to help further your trucking career and life. Whether you are a truck driving veteran, or beginner, you will find information on this site to save you a lot of time in your driving journey.

IMAGES

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COMMENTS

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  4. CDL Pre-Trip Inspection Test and How To Memorize It

    1. REPETITION! The only way to memorize the pre-trip is to repeat it over and over. Start with the engine area and work your way around the truck and finally inside the cab. There is no way around consistent repetition. The more you do it the more you will memorize it. It's just that simple.

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  10. How to Pass the CDL Test Vehicle Pre-Trip Inspection?

    To pass the CDL Test Vehicle Pre-trip Inspection, you need to study and memorize all items tested. You may try learning from watching various videos. Also, there's nothing better than having your checklist of steps. For starters, the CDL Test Vehicle Pre-Trip Inspection is a verbal test that mimics the exact evaluation every truck driver is ...

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  13. 10 Quick and Simple Class A CDL Pre Trip Inspection Tips!

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    Learn how to pass your CDL pre trip test, and complete a pre-trip inspection as part of your licence test. Get Your INSPECTION CHECKLIST: https://www.smartdr...

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  19. Pre-Trip Inspection Video

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