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) (Engine Coolant Fan Upper Shroud Replacement) Engine Coolant Fan Upper Shroud Replacement (Diesel) (Engine Coolant Fan Upper Shroud Replacement).




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 (Fan Replacement).

Installation Procedure

1. Install the cooling fan to the fan clutch. Refer to Fan Replacement (Fan Replacement).




2. Install the fan clutch assembly to the pulley.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the J 41240-5A onto the fan clutch nut and tighten to 56 Nm (41 lb ft).
Install the J 46406 in order to secure the pulley.
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) (Engine Coolant Fan Upper Shroud Replacement) Engine Coolant Fan Upper Shroud Replacement (Diesel) (Engine Coolant Fan Upper Shroud Replacement).