Pre-Trip Inspection Test #1 is based on State CDL Manual Section 11.1.1 Engine Compartment (Engine Off)
See below for more information or go to our CDL Pre-Trip Inspection Learning Center.
Note: Pre-Trip tests do not have CDL manual reference after each question like our other testing areas. Instead, the whole CDL section that applies to the test can be found at the bottom of each test page for your reference.
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Official State CDL Manual Section 11.1.1 Engine Compartment (Engine Off)
Leaks/Hoses- Look for puddles on the ground.
- Look for dripping fluids on underside of engine and transmission.
- Inspect hoses for condition and leaks.
- Indicate where dipstick is located.
- See that oil level is within safe operating range.
- Level must be above refill mark.
- Inspect reservoir sight glass, or
- Remove radiator cap (if engine is not hot), and check for visible coolant level.
- Indicate where power steering fluid dipstick is located.
- Check for adequate power steering fluid level.
- Level must be above refill mark.
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- Check the following belts for snugness (up to 3/4 inch play at center of belt), cracks, or frays:
- Power steering belt.
- Water pump belt.
- Alternator belt.
- Air compressor belt.
- Tell the examiner which component(s) are not belt driven.
- Make sure component(s) are operating properly, are not damaged or leaking, and are mounted securely.
