11 66 000 Removing and installing/replacing vacuum pump (N54, N54T)

Special tools required: 

• 11 0 290
• 11 4 120
• 11 8 650

Necessary preliminary work 

• Remove DRIVE BELT .
• Remove BELT TENSIONER  for drive belt.
• Remove SEALING CAP  for vacuum pump.
• Remove HIGH PRESSURE PUMP .

Rotate crankshaft at central bolt.

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

Screw in special tool 11 8 650 .

Secure special tool 11 0 290 in camshaft 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 camshaft sprocket (2) in direction of arrow.

Release screws (1).

Tightening torque: 11 66 1AZ .

Release screws (1).

Secure screws (1) against falling.

Remove vacuum pump.

Installation note: 

Replace gasket. 

Assemble engine.