34 31 505 Removing and Installing/Replacing Master Brake Cylinder for DSC

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

Special tools required:





Necessary preliminary tasks:
^ Remove expansion tank.
^ Read and comply with General Information.

After completing tasks, bleed brake system with DSC.





Important!
Do not bend brake lines.

Unfasten brake lines (2).

Unclip retaining bar (1) and remove both brake lines from guides.

Installation:
Tightening torque 34 32 1AZ.

Close off brake lines and brake master cylinder with plugs 32 1 270.

Release nuts (3) and feed brake master cylinder out of brake booster.

Installation:
Replace self-locking nuts.

Tightening torque 34 31 1AZ.





Installation:
Replace sealing 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.