Fan Clutch: Service and Repair

Removing and installing/replacing fan clutch

Special tools required:
- 11 5 030
- 11 5 040

If necessary, remove air duct.

Note: S54 Remove engine underguard and release fan cowl.

Important! Left hand threads.




- Using special tool 11 5 030, grip pulley and unfasten cap nut from water pump using special tool 11 5 040.
- If necessary, unfasten fan cowl.
- Take the fan wheel with fan coupling off the water pump and remove.

Installation:
- Tighten down fan impeller using special tool 11 5 040.
- Tighten torque

Note: When using special tool 11 5 040, 30 Nm on the torque wrench scale are equivalent to a tightening torque of 40 Nm.




- Unfasten screws and detach fan from coupling.