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Question 1 - Arizona CDL Knowledge Test Class A discussion
How can you check for a leak in hydraulic brakes?
A.
Pump the brake pedal three times, then hold down the pedal for five seconds. If the pedal moves, there may be a problem.
B.
Push the brake pedal down as far as possible and release. If the brake pedal returns to its normal position, there may be a problem.
C.
Push the brake pedal down as far as possible and release. If the brake squeaks, there may be a problem.