Sunday

Removing and installing/replacing vacuum pump (N42/N46)

Removing and installing/replacing vacuum
pump (N42/N46)

VIDEO CLIPS INCLUDED BELOW: Very good to watch first.


Note:
Press brake pedal several times to reduce vacuum in brake
booster.

Installation location:
Vacuum pump is located at rear of cylinder head on exhaust
camshaft.

Remove ignition coil cover.
E46 only
Remove heater rear panel.



Note:
For purposes of clarity, this work step is shown on the engine
after it has been removed.

Release screws and remove vacuum pump (1).

Installation:
Replace sealing ring (2).
Drive (1) must be turned into correct position prior to
installation.





Note:
For purposes of clarity, this work step is shown without the
cylinder head cover.
Align drive (1) of vacuum pump to groove (2) of exhaust
camshaft.
RA


 





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