Removing and Installing/Replacing Master Brake Cylinder for DSC

34 31 505 - Removing and installing / replacing master brake cylinder for DSC





Special tools required:
- 32 1 270 32 1 270 Plugs (Set)





Necessary preliminary tasks:
- Read and comply with General Information Service and Repair.
- Remove expansion tank Removing and Installing/Replacing Expansion Tank for Hydraulic Brake Actuation.
Observe safety instructions on raising the vehicle 00 .. ... Lifting Vehicle With A Lifting Platform.

After completing tasks, bleed brake system Bleeding Brake System With DSC.





Unfasten brake lines.

Installation:
Tightening torque 34 32 1AZ 34 32 Brake Lines.

Seal off brake lines and brake master cylinder with special tool 32 1 270 32 1 270 Plugs (Set) (plug).





Release nuts and withdraw brake master cylinder from brake booster.

Installation:
Replace self-locking nuts.
Tightening torque 34 31 1AZ 34 31 Brake Master Cylinder.





Installation Note:
Replace O-ring.





Installation:
When inserting the brake master cylinder (2) into the brake booster (1), make sure the pressure rod of the brake booster and that of the brake master cylinder meet each other on one level.