3 Series E92 335xi (N54) COUPE
34 33 051
Removing and installing or replacing non-
return valve for brake booster
Necessary preliminary tasks:
•
Read and comply with General Information.
•
Remove hydraulic unit
Important!
-
If a rubber vacuum hose is fitted, it can be replaced
individually.
-
If a plastic vacuum line is fitted, it can only be replaced
as a single unit together with the non-return valve.
Note:
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 non-return valve.
Remove non-return valve (1) from brake booster.
Unlock quick-connect coupling (2) and detach vacuum line.
If necessary, disconnect plug connection (3) and remove
differential pressure sensor.
Feed out vacuum line.
Installation:
Check sealing ring in brake booster and replace if necessary.
RA Removing and installing or replacing non-return valve for brake booster
BMW AG - TIS
20.02.2013 11:15
Issue status (12/2007) Valid only until next DVD is issued
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