Technician A says to diagnose a brake system that does not release, loosen the connection between the master cylinder and the brake booster. Technician B says if the brakes do not release when the master cylinder is removed from the booster, the booster is defective. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because loosening the connection between the master cylinder and the brake booster can help determine if the problem is due to a blocked brake line or a malfunctioning brake booster. Technician B is incorrect because a defective master cylinder can also cause the brakes not to release, not just a defective booster.

Technician a Says to Diagnose a Brake System That Does