2026 North Dakota General Knowledge CDL Practice Test 7

How do you test hydraulic brakes for leaks?

Move the vehicle slowly and see if it stops when the brake is applied Measure the free play in the pedal with a ruler With the vehicle stopped, pump the pedal three times; apply firm pressure for 5 seconds, then hold and see if the pedal moves

Correct Answer:

With the vehicle stopped, pump the pedal three times; apply firm pressure for 5 seconds, then hold and see if the pedal moves

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