Fan Clutch: Service and Repair

NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.

REMOVAL
1. Remove fan shroud (7), place over the fan (1)
2. Insert counter-holder (9) at the belt pulley of the coolant pump
3. Unbolt viscous fan clutch (2) together with fan (1), remove
- Use a screwdriver (6) and torque wrench (8) to slacken the central bolt.
4. Unbolt fan (1) at viscous fan clutch (2)

INSTALLATION
- Install in the reverse order, noting the following:
Installation position of fan is marked by a lug on the fan ring and by the marking "VORNE FRONT" (on fan ring in direction of travel)
Adjust fan shroud. Adjustments
- Tighten the following to:
Fan to Viscous Coupling: 100 Nm
Fan Coupleing:
With Special Tool No. 120 589 14 07 00, or equivalent: 400 Nm
With Torque Wrench: 455 Nm