Replacing Vacuum Hose for Brake Booster (N52 on Brake Booster)

34 33 071 - Replacing vacuum hose for brake booster (N52 on brake booster)





Necessary preliminary tasks:
- Read and comply with General Information Service and Repair.
- Remove lower section of microfilter housing Removing and Installing/Replacing Left or Right Microfilter Housing Lower Section.





Important!
Before starting work, press the brake pedal to the floor several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the PA pipe.
Non-return valve and PA pipe are welded together and are replaced together as a single unit.





Detach non-return valve (1) from brake booster.





Unfasten hose clip (1).

Installation:
Replace hose clip.

Unclip vacuum line (3) from fixture (2) and feed out.