Tools Required

J 41240 Fan Clutch Remover and Installer

1. Remove the air cleaner layer. Refer to the appropriate procedure:

•	Air Cleaner Replacement in Engine Controls - 6.6L (LB7)

•	Air Cleaner Replacement in Engine Controls - 6.6L (LLY)

•	Air Cleaner Replacement in Engine Controls - 7.2L Caterpillar

•	Air Cleaner Replacement in Engine Controls - 8.1L

•	Air Cleaner Replacement in Engine Controls - 7.8L




2. Install the J 41240 in order to secure the pulley.
3. Remove the fan clutch assembly (2).
4. Inspect the following components for cracks, distortion, or other damage:

•

The belt

•

The hub

•	The adapter

•	The pulley

5. Remove the bolts from the fan clutch.
6. Separate the fan clutch from the fan blade.

1. Install the fan clutch (2) to the fan blade (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the bolts to the fan clutch.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).

3. Install the fan clutch assembly to the pulley.
4. Install the J 38425 onto the fan clutch nut.

Install the J 41240 in order to secure the pulley.

Tighten
Tighten the nut to 145 N·m (107 lb ft).

5. Install the air cleaner layer. Refer to the appropriate procedure:

•	Air Cleaner Replacement in Engine Controls - 6.6L (LB7)

•	Air Cleaner Replacement in Engine Controls - 6.6L (LLY)

•	Air Cleaner Replacement in Engine Controls - 7.2L Caterpillar

•	Air Cleaner Replacement in Engine Controls - 8.1L

•	Air Cleaner Replacement in Engine Controls - 7.8L