34 33 071 Replacing Vacuum Hose for Brake Booster (on Brake Booster)

34 33 071 - Replacing vacuum hose for brake booster (on brake booster)





Important!
Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the vacuum hose.

Necessary preliminary tasks:
- Read and comply with General Information Service and Repair.
- Remove brake master cylinder 34 31 505 Removing and Installing/Replacing Master Brake Cylinder for DSC





Unlock quick-release fastener (1) and pull out vacuum line (2).





Disconnect plug connection (1) from differential pressure sensor.
Unfasten hose clip (2).
Pull off vacuum hose (3).
Pull vacuum hose (4) out of brake booster.
Feed out vacuum hose (4).

Installation Note:
Replace hose clamp (2).
Check sealing ring (5) in brake booster and replace if necessary.