Before removing the master cylinder on an ABS system with a high-pressure accumulator, the accumulator must be discharged by ______.
A)pumping the brake pedal 25 times with the ignition off
B)loosening a bleeder screw on the master cylinder with the ignition on
C)loosening the accumulator one-eighth of a turn with the ignition switch off
D)disconnecting the pump motor and pumping the brake pedal ten times

Question

Quizplus · Accepted Answer

Pumping the brake pedal 25 times with the ignition off is the correct procedure to safely discharge the high-pressure accumulator in an ABS system before removing the master cylinder. This ensures that any stored pressure is safely released to prevent injury or damage during maintenance.

Before Removing the Master Cylinder on an ABS System with a High-Pressure