Fan Clutch Replacement 4.3L, 5.0L, 5.7L

1. Remove the air cleaner and the duct. Refer to Engine Controls.
2. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
3. Remove the upper radiator shroud. Refer to Radiator Replacement .



4. For the 4.3L, 5.0L, and the 5.7L, remove the fan and the clutch retaining nut from the coolant pump pulley.
5. Remove the fan and the clutch from the vehicle.



6. Remove the retaining bolts from the fan and clutch.
7. Separate the fan from the clutch.

1. connect the fan and clutch.
2. Install the retaining bolts to the fan and clutch.

Tighten
Tighten the fan and clutch retaining bolts to 33 N·m (24 lb ft).

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.




3. For the 4.3L, 5.0L, and the 5.7L, install the fan and the clutch to the vehicle.
4. Install the fan and the clutch retaining nut to the coolant pump pulley.

Tighten
Tighten the nut to 57 N·m (42 lb ft).

5. Install the upper radiator shroud. Refer to Radiator Replacement .
6. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
7. Install the air cleaner and the duct. Refer to Engine Controls.

Fan Clutch Replacement 6.5L Diesel

1. Remove the air cleaner and the duct. Refer to Engine Controls.
2. Remove the surge tank. Refer to Surge Tank (Diesel) .
3. Remove the upper radiator shroud. Refer to Radiator Replacement .



4. Remove the fan and the clutch retaining nuts from the coolant pump pulley.
5. Remove the fan and the clutch from the vehicle.



6. Remove the retaining bolts from the fan and clutch.
7. Separate the fan and clutch.

1. Install the fan and clutch.
2. Install the retaining bolts to the fan and clutch.

Tighten
Tighten the fan and clutch retaining bolts to 33 N·m (24 lb ft).

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.




3. Install the fan and the clutch to the vehicle.
4. Install the fan and the clutch retaining nuts to the coolant pump pulley.

Tighten
Tighten the nuts to 57 N·m (42 lb ft).

5. Install the upper radiator shroud. Refer to Radiator Replacement .
6. Install the surge tank. Refer to Surge Tank (Diesel) .
7. Install the air cleaner and the duct. Refer to Engine Controls.

Fan Clutch Replacement 7.4L

1. Remove the air cleaner and the duct. Refer to Engine Controls.
2. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
3. Remove the upper radiator shroud. Refer to Radiator Replacement .



4. Remove the fan and the clutch retaining nuts from the coolant pump pulley.
5. Remove the fan and the clutch from the vehicle.



6. Remove the retaining bolts from the fan and clutch.
7. Separate the fan and clutch.

1. Install the fan and clutch.
2. Install the retaining bolts to the fan and clutch.

Tighten
Tighten the fan and clutch retaining bolts to 33 N·m (24 lb ft).

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.




3. Install the fan and the clutch to the vehicle.
4. Install the fan and the clutch retaining nuts to the coolant pump pulley.

Tighten
Tighten the nuts to 57 N·m (42 lb ft).

5. Install the upper radiator shroud. Refer to Radiator Replacement .
6. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
7. Install the air cleaner and the duct. Refer to Engine Controls.