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ASE Brakes Practice Test
A5 Brakes
ASE Brakes
A5 Brakes Practice Test
Question 1 of 3
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A vehicle with power assisted brakes has a hard brake pedal. Which of the following is least likely to cause this condition?
A
Master cylinder.
B
Brake booster.
C
Vacuum check valve.
D
Low manifold vacuum.
Faulty master cylinders do not typically result in a hard brake pedal. Actually it's more common for a faulty master cylinder to cause a low brake pedal that fades to the floor as it is applied. This is the least likely component listed to result in a hard brake pedal.
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