Instructor
CDL Study Buddy Team
The Class A CDL pre-trip inspection is one of the most critical components of your CDL skills test. This comprehensive video walks you through every step of the inspection process, from approaching the vehicle to checking the engine compartment, coupling system, brakes, lights, and trailer.
During the pre-trip inspection, examiners expect you to verbalize what you are checking and why. Our instructor demonstrates proper call-out techniques so you can confidently explain each component's condition and function. You will learn the correct sequence for inspecting the front of the tractor, including headlights, turn signals, windshield, mirrors, and windshield wipers.
The engine compartment check covers fluid levels — engine oil, coolant, power steering, and windshield washer fluid — plus belts, hoses, wiring, and the alternator. You will see how to inspect the steering linkage, suspension components, and brake components including drums or rotors, brake hoses, and chambers.
Moving through the coupling area, you will learn to check the fifth wheel, kingpin, locking jaws, and mounting bolts. The trailer inspection covers tandem axles, suspension, brake lines, glad hands, and electrical connections. Each step is demonstrated clearly so you can replicate the process on test day.
This video also covers the in-cab inspection, including mirror adjustment, seat belt, horn, windshield, and all gauges. The brake check portion demonstrates how to test the parking brake, service brake, and air brake systems according to FMCSA standards. By the end of this comprehensive tutorial, you will understand the complete sequence that CDL examiners expect.
Key inspection areas covered: - Front of tractor (lights, mirrors, windshield, wipers) - Engine compartment (fluids, belts, hoses, wiring, steering) - Coupling system (fifth wheel, kingpin, locking jaws) - Trailer (air and electrical connections, suspension, brakes) - In-cab checks (mirrors, seat belt, horn, windshield, gauges) - Brake tests (parking brake, service brake, air brake checks)
Whether you are preparing for your Class A CDL test for the first time or need a refresher, this pre-trip inspection video is an essential resource. Combine it with our CDL practice tests and the FMCSA's official pre-trip inspection guidelines at https://www.fmcsa.dot.gov/ for comprehensive test preparation.
