Tread depth should have a depth no less than 4/32 of an inch. There are no abrasions, bulges, or cuts on the tread or sidewalls. The steering column is properly mounted and secure. The spring hanger is properly mounted and secure. With the brakes released and pulled by hand, the push rod does not move more than one inch. If it is leaking, the leak will be at the point where the top and bottom portion of the shock meet. The rim does not have any unauthorized welds. The power steering reservoir is not leaking and is filled to the manufacturer’s specifications. The pitman arm is properly mounted and secure. The oil level is filled to the manufacturer’s specifications. There are no rust trails, powder residue, or cracks around the bolt holes.
There are no signs of leaks under the truck. None of the leaf springs have shifted or are bent or broken. The hub seal (or axle seal) is leaking and is filled to the manufacturer’s specifications. The hoses are secure at both ends and are not leaking. General Hoses (Passenger and Driver’s Side) The steering pump is properly mounted and not leaking. The air compressor is properly mounted and does not leak. The gear box and hoses have no abrasions, bulges or cuts, and are not leaking. The drag link is properly mounted and secure, and not cracked, bent or broken. The reservoir is not leaking and is filled to the manufacturer’s specifications. There should be at least ¼ of an inch of friction material.Īll three caste nuts and cotter pins are present. The brake hose is rubber it is not cracked and is not leaking air.Ĭheck for oil or debris on the lining. The brake drum is properly mounted and secure. The free play on the belt is between ½ to ¾ of an inch, and all the hoses running to and from the water pump are tightly clamped. The belt is not cracked or frayed, and the free play on the belt is between ½ to ¾ of an inch.
The items you need to check for include:Īll of the wires are connected. You should also make sure they are not cracked, bent, or broken. When checking the engine compartment, you always want to make sure the following components are properly mounted and secured. With this pre-trip inspection checklist, we tell you everything you need to know and what you need to check for. Also called the “Vehicle Inspection Test,” the pre-trip is one of the tests that trucking students fail the most. Due to heavy memorization, the pre-trip inspection is one of the hardest aspects of the CDL test.
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