Fan Clutch Replacement 7.4L

1. Remove the drive belt from the engine. Refer to Drive Belt Replacement in Engine Mechanical.
2. Remove the upper radiator shroud. Refer to Fan Shroud Replacement .
3. Remove the fan clutch retaining nuts from the coolant pump pulley.
4. Remove the fan and the clutch from the vehicle.



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

1. Install the fan to the fan clutch.

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 retaining bolts to the fan and the clutch.

Tighten
Tighten the bolts to 33 N·m (24 lb ft).

3. Install the fan clutch to the vehicle.
4. Install the fan 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 Fan Shroud Replacement .
6. Install the drive belt to the engine. Refer to Drive Belt Replacement in Engine Mechanical.

Fan Clutch Replacement 4.3L/5.7L

Tools Required

J 41240 Fan Clutch Wrench

1. Remove the upper radiator shroud. Refer to Fan Shroud Replacement .



2. Remove the fan and the clutch using the J 41240 .
3. Remove the fan blade from the clutch.

1. Install the fan blade to the fan clutch.

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 retaining bolts to the fan blade and clutch.

Tighten
Tighten the fan and clutch retaining bolts to 30 N·m (22 lb ft).

3. Install the fan clutch to the vehicle.
4. Tighten the fan and clutch using the J 41240 .

Tighten
Tighten the clutch to 56 N·m (41 lb ft).

5. Install the upper radiator shroud. Refer to Fan Shroud Replacement .

Fan Clutch Replacement Diesel

Tools Required

J 41240 Fan Clutch Wrench

J 33039-A Cam Belt Drive Adjustment Wrench

1. Remove the upper radiator shroud. Refer to Fan Shroud Replacement .



2. Remove the fan blade and the fan clutch using the J 41240 and J 33039-A .
3. Remove the fan blade and bolts from the fan clutch.

1. Install the fan blade to the fan clutch.

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 retaining bolts to the fan blade and clutch.

Tighten
Tighten the fan and clutch retaining bolts to 30 N·m (22 lb ft).

3. Install the fan clutch to the vehicle.
4. Tighten the fan and clutch using the J 41240 and J 33039-A .

Tighten
Tighten the fan clutch nut to 122 N·m (90 lb ft).

5. Install the upper radiator shroud. Refer to Fan Shroud Replacement .