11 66 000Removing and installing/replacing vacuum pump (N55) up to March 2012

Special tools required:

Necessary preliminary tasks:

Rotate crankshaft at central bolt.

Turn sprocket wheel until drilled holes and screws of vacuum pump match up.

Screw in special tool 11 8 650 .

Secure special tool 11 0 290 in sprocket and to special tool 11 8 650 .

Release screw (1).

Tightening torque 11 66 2AZ.

Press chain tensioner (1) with chain in direction of arrow.

Install special tool 11 4 120 .

Remove sprocket (2) in direction of arrow.

Release screws (1).

Tightening torque 11 66 1AZ.

Release screws (1).

Secure screws (1) against falling out.

Remove vacuum pump.

Installation note:

Replace seal.


Assemble engine.
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