volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Brake Booster/Master Cylinder Assembly Overview|Page 4177 > < ABS/ASR/Mark 70 Control Module and Hydraulic Unit|Page 4172
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Brake Master Cylinder: Service and Repair
Brake Booster/Master Cylinder Assembly Overview

Brake Booster/Master Cylinder Assembly Overview

‹› Use only new brake fluid. Observe information on brake fluid reservoir! 

1

Brake pedal assembly

2

Self locking hex nut, 25 Nm

‹› Always replace after removal.

3

Gasket

‹› For brake booster.

4

Brake booster

‹› Vacuum is supplied from the intake manifold.

‹› Some vehicles with automatic transmissions are equipped with a brake system vacuum pump. Refer to => [ Brake System Vacuum Pump ] 

See: Power Brake Assist/Vacuum Pump/Service and Repair.

‹› On vehicles with a hydraulic brake booster, a vacuum sensor is installed. Refer to => [ Brake Booster Vacuum Sensor ] See: Power Brake

Assist/Vacuum Brake Booster/Service and Repair/Brake Booster Vacuum Sensor.

‹› Function test:

Brake Booster/Master Cylinder Assembly Overview|Page 4177 > < ABS/ASR/Mark 70 Control Module and Hydraulic Unit|Page 4172