Q
79. How do you test the hydraulic brakes for leaks?
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ADrive slowly and pump the brake pedal. Make sure it doesn't hit the floor.
BPump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
CDrive 20 mph and slam on the brakes.
Detailed Explanation
The correct answer is "Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.". This is based on federal CDL regulations and safety standards.
Correct Answer: Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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