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Révision datée du 21 novembre 2025 à 10:59 par John321 (discussion | contributions) (Overall, a thorough pre-trip inspection isn’t just about compliance; it’s about preventing breakdowns, reducing downtime, and ensuring the driver, vehicle, and cargo all reach their destination safely.)
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Understanding the steps involved in a class a pre trip inspection checklist is essential for anyone operating heavy commercial vehicles. These inspections aren’t just a formality—they’re a daily safety requirement that helps identify issues before they become dangerous or costly.

One of the most important areas to examine is the braking system. For Class A vehicles, air brakes must be checked thoroughly, including the air compressor, hoses, slack adjusters, chambers, and warning systems. Any air leaks or improper adjustments can lead to serious braking problems on the road.

Another critical part is the coupling system. Drivers need to inspect the fifth wheel, kingpin, locking jaws, platform, apron, and release arm. Ensuring all components are secure and properly connected prevents trailer separation, one of the most hazardous failures in trucking.

Lighting and electrical systems also play a major role in a proper pre-trip. Checking headlights, clearance lights, brake lights, turn signals, reflectors, and wiring ensures the vehicle remains visible in all conditions and helps avoid violations during DOT inspections.

Tires, wheels, and suspension components must also be evaluated for wear, proper inflation, secure lug nuts, and damage. Issues in these areas can lead to blowouts or handling problems, especially under heavy loads.

Finally, reviewing fluids—engine oil, coolant, power steering fluid, and windshield washer levels—helps keep the vehicle running efficiently throughout the trip.

website: https://www.epikafleet.com/blog/class-a-cdl-inspection/