34 33 505 Removing and Installing/Replacing Brake Booster

34 33 505 Removing And Installing Or Replacing Brake Booster







Necessary preliminary tasks:
- Read and comply with General Information.
- Remove rear left dome cross-brace
- Remove left footwell trim
- In vehicles with coolant expansion tank in the front left side panel: Remove coolant filler neck

After completing repair work, bleed brake system with DSC.







Extract brake fluid out of expansion tank.
Unfasten brake lines (1).

Installation note:
Tightening torque 34 32 1AZ.

Disconnect vacuum line (2).

Installation note:
Check gasket (3), replace if necessary.







Detach retaining clip (1) on brake pedal.
Pull out locking pin.
Unscrew nuts (2).

Installation note:
Replace self-locking nuts.
Tightening torque 35 11 1AZ.







IMPORTANT:
Do not use any force when removing and installing the brake booster; the brake booster can be damaged under certain circumstances.
Brake lines must not be bent.

Carefully pull brake booster (1) out of bulkhead and tilt out.

Installation note:
Make sure seal (2) is present and correctly seated.

Replacement:
Modify tandem brake master cylinder.