Vacuum Brake Booster Diaphragm Position Sensor: Service and Repair
34 33 081 Removing and refitting/replacing travel sensorNecessary preliminary tasks:
^ Read and comply with General Information.
^ Remove brake master cylinder.
Important!
It is imperative that the travel sensor is tightened to the specified torque!
If the tightening torque applied is incorrect malfunctions can occur.
Undo screws (1) and remove travel sensor (2).
Installation note:
Replace screws.
Tightening torque 34 31 2AZ.
The following service function must be performed after completing the repair work:
^ Calibrate brake pedal travel sensor.