Fan Clutch: Service and Repair
Fan Clutch Replacement
Special Tools
* J 41240-5A Fan Clutch Wrench
* J 46406 Fan Clutch Remover and Installer
Removal Procedure
1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) (Service and Repair)Engine Coolant Fan Upper Shroud Replacement (6.6L) (Service and Repair) .
2. Install the J 41240-5A onto the fan clutch nut.
Install the J 46406 in order to secure the pulley.
3. Remove the fan clutch assembly.
4. Inspect the following components for cracks, distortion, or other damage:
* The belt
* The hub
* The adapter
* The pulley
5. Remove the cooling fan from the fan clutch. Refer to Fan Replacement (Service and Repair) .
Installation Procedure
1. Install the cooling fan to the fan clutch. Refer to Fan Replacement (Service and Repair) .
2. Install the fan clutch assembly to the pulley.
Notice: Refer to Fastener Notice .
3. Install the J 41240-5A onto the fan clutch nut.
Install the J 46406 in order to secure the pulley.
Tighten the nut to 95 N.m (70 lb ft).
4. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) (Service and Repair)Engine Coolant Fan Upper Shroud Replacement (6.6L) (Service and Repair) .