34 33 071 Replacing Vacuum Hose For Brake Booster

34 33 071 - Replacing vacuum hose for brake booster (N63)





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.
Vacuum hose and non-return valve are welded together and are replaced together as a single unit.





Necessary preliminary tasks:
- Read and comply with General Information Service and Repair.
- Remove partition wall for equipment compartment Service and Repair





Detach partition wall seal upper section (1) in direction of arrow.
Remove non-return valve (2) from brake booster.

Installation Note:
Check seal for non-return valve and replace if necessary.





Unclip vacuum line (1) from line holder (2).
Unlock quick-connect coupling (3) and detach vacuum line.