Removing and Installing/Replacing Brake Booster

34 33 505 - Removing and installing/replacing brake booster





Necessary preliminary tasks:
- Read and comply with General Information Service and Repair
- Remove equipment compartment bulkhead 51 71 085 Removing and installing center of assembly compartment bulkhead
- Remove brake master cylinder Removing and Installing/Replacing Master Brake Cylinder for DSC
- Removing non-return valve Replacing Vacuum Hose for Brake Booster
- Remove pedal trim 51 45 185 Removing and Installing/Replacing Panel For Pedals

Observe safety instructions on raising the vehicle 00 .. ... Lifting Vehicle With A Lifting Platform.





Detach retaining clip (1) on brake pedal.

Important!
Make sure retaining clip (1) is correctly seated.

If necessary, replace retaining clip (1).

Unscrew nuts (2).

Installation:
Replace self-locking nuts.

Tightening torque 35 11 1AZ 35 11 Pedal Assembly Console.





Pull out pin (3).





Important!
Do not use any force when removing and installing the brake unit; the brake unit can be damaged under certain circumstances.

Unclip brake lines from holder and carefully press to one side.

Important!
Brake lines must not be bent!

Carefully pull the brake unit out of the bulkhead swing it out.





Important!
Brake booster is highly sensitive to damage in area (3). Such damage may cause the brake booster to malfunction.

Installation:
Install the adapter plate (1).

Replace the gasket (2) if necessary.