Vacuum Pump: Service and Repair

11 66 000 Removing and installing or replacing vacuum pump (N51)

Special tools required:







Necessary preliminary tasks:
- Remove drive belt.
- Remove belt tensioner for drive belt.
- Remove sealing cap for vacuum pump.
- Remove intake plenum.







Rotate crankshaft at central bolt.
Rotate camshaft sprocket (3) until drilled holes and screws (1) match up.
Screw in special tool 11 4 362.
Secure special tool 11 0 290 in sprocket (3) and on special tool 11 4 362.
Release screw (2).
Tightening torque: 11 66 2AZ.
Release screws (1) and secure against falling out.
Tightening torque: 11 66 1AZ.
Remove vacuum pump towards rear.

Installation note:
Replace gasket.







Press chain tensioner (1) with chain in direction of arrow.
Insert special tool 11 4 120.
Remove sprocket (2) in direction of arrow.







Assemble engine.