Pre Trip Inspection Checklist
Driver Door Fuel Area
- Airbag - The actual airbag is rubber, so it is important to check for abrasions, bulges, cuts and leaks, in addition to any missing mounting bolts.
- Axle Seal - The axle seal should not be leaking and should be filled to the manufacturer’s specifications.
- Brake Chamber - Make sure to mention the brake chamber is not leaking air.
- Brake Drum - Make sure the brake drum is secured properly. Also look for cracks, bends and breaks.
- Brake Hose - Check the brake hose at both ends to make sure it is not leaking air.
- Brake Lining - There should be no oil or debris on the brake lining. There should be at least ¼ of an inch of friction material.
- Catwalk and Steps - The cat walk and steps should be clear of any loose objects.
- Door and Hinges - Physically demonstrate that the doors open, close and latch properly. Door seals should not be worn, torn or rotten.
- Drive Shaft - The drive shaft should not be twisted and the u-joints should be free of any debris.
- Drive Tire - 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.
- Exhaust System - The exhaust system should show no signs of leaks.
- Frame and Cross Members - There should be no unauthorized holes or welds. Bundle up the cross members to ensure none are missing.
- Fuel Tank - Fuel should not be leaking from the tank and the cap should always be on tight
- Lug Nuts - Rust trails could indicate loose bolts, while powder residue and racks around the bolts could mean the bolts have been over-tightened.
- Mirrors - Mirrors should be clean for best visibility.
- Mud Flap - Make sure the mud flap is secured properly. Also look for cracks, bends and breaks.
- Rim - Make sure to mention there should be never be any unauthorized welds.
- Shock Absorber - The shock absorber should be secure at both ends and not leaking. If it does leak, it will leak in the middle.
- Slack Adjuster and Push Rod - With the brakes released and pulled by hand, the push rod should not move more than one inch.
- Spacing - If you are equipped with duals, check to see there is proper spacing between the tires and there is nothing stuck.
- Spring Arm - The spring arm should be secure at both ends.
- Spring Mount - The spring mount should be secure at both ends.
- Torque Arm - Make sure the torque arm is secured properly. Also look for cracks, bends and breaks.
- U-Bolts - Make sure to check and mention that no u-bolts are missing.
Visit the complete pre trip inspection study guide: https://cdltrainingtoday.com/cdl-training-resources/cdl-study-guide/cdl-pre-trip-inspection/
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