Water Pump: Service and Repair

11 51 000 Removing and installing/replacing water pump (M54)

Necessary preliminary tasks:
- Remove suction filter housing. Service and Repair
- Remove alternator drive belt. Service and Repair
- Secure engine in installation position with special tool. Procedures

Drain and dispose of coolant.

Installation:
Replace seal.
Tightening torque 11 11 5AZ.
Vent cooling system and check for leaks.

Release engine mount at top left.

Installation:
Tightening torque, 22 11 1AZ.





Raise engine with special tool approx. 3 cm to ensure removal of water pump.
Measurement A = 3 cm






Release nuts and remove belt pulley.






Unscrew nuts.
Tighten two screws (M 6) into thread (1) of water pump (2) and press water pump uniformly out of timing case.






Installation:
Replace sealing ring (1) and coat with antiseize agent.