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Daily inspection test
Exterior Items

11. Exhaust System

Exhaust leak
You must know how to visually inspect the exhaust system, and that a vehicle has this minor defect when there’s a noticeable exhaust leak.

Exhaust leak that causes exhaust gas to enter the occupant compartment
You must know the hazard of prolonged exposure to engine exhaust gases, and that the vehicle has this major defect when exhaust gases from an exhaust-system leak are getting into the cab.


    • With the vehicle running, open the hood or other compartments as required, and inspect the complete exhaust system to ensure there are no signs of exhaust leaks.