34 33 071 Replacing Vacuum Hose For Brake Booster (N62)

34 33 071 Replacing vacuum hose for brake booster (N62)

Necessary preliminary tasks:
^ Read General Information.
^ Remove lower section of microfilter housing.
^ Remove acoustic cover.
^ Remove intake filter housing.
^ Remove air intake hose with air-mass sensor.

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.





Unclip vacuum line from fixture (1).
Unfasten hose clip (2).

Installation:
Replace hose clip.





Release retaining clips (1) and feed out vacuum line (2).