Fan Blade: Service and Repair
Cooling Fan
Removal
All vehicles
NOTE: The fan, fan clutch and shroud must be removed and installed together due to insufficient clearance to remove them separately.
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.
2. Drain the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.
3. Remove the Air Cleaner (ACL) assembly. For additional information, refer to Intake Air Distribution and Filtering Intake Air System Components - Exploded View.
4. Disconnect and position the radiator upper hose and the overflow hose from the radiator aside.
5. NOTICE: The coolant hose must be mounted in the lower hole and power steering hose in the upper hole or damage to the hoses may occur.
Disconnect the coolant degas bottle and power steering hose from the shroud.
Vehicles with 4.6L, 5.4L engine
6. NOTE: The clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.
Using the Fan Clutch Pulley Holding Wrench and Fan Clutch Hub Nut Wrench, loosen the fan clutch.
Vehicles with 6.8L engine
7. NOTE: The clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.
Using the Fan Clutch Pulley Holding Wrench and Fan Clutch Hub Nut Wrench, loosen the fan clutch.
All vehicles
8. Carefully rotate the fan and fan clutch assembly counterclockwise until the assembly is free from the coolant pump. Place the fan and fan clutch into the shroud opening.
9. Disconnect the lower radiator hose retaining clamp from the shroud.
10. If equipped, disconnect the underbody splash shield from the shroud.
11. NOTICE: Use extreme care when removing or installing the fan, fan clutch and shroud. Failure to do so will cause damage to the radiator.
Remove the mounting bolts and the fan, fan clutch and shroud.
12. If servicing the fan blade assembly or clutch, remove the 4 bolts and separate the cooling fan from the clutch.
Installation
All vehicles
1. If servicing the fan blade assembly or clutch, position the cooling fan onto the clutch and install the 4 bolts.
- Tighten to 7 Nm (62 lb-in).
2. NOTICE: Use extreme care when installing the fan, fan clutch and shroud. Failure to do so will cause damage to the radiator.
Carefully position the cooling fan, fan clutch and shroud into the vehicle as an assembly.
3. Install the 2 fan shroud bolts.
- Tighten to 6 Nm (53 lb-in).
Vehicles with 4.6L, 5.4L engine
4. Using the Fan Clutch Pulley Holding Wrench and the Fan Clutch Hub Nut Wrench, install the cooling fan.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the Appendix.
- Tighten to 55 Nm (41 lb-ft).
Vehicles with 6.8L engine
5. Using the Fan Clutch Pulley Holding Wrench and the Fan Clutch Hub Nut Wrench, install the cooling fan.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the Appendix.
- Tighten to 133 Nm (98 lb-ft).
All vehicles
6. Connect the lower radiator hose retaining clamp to the shroud.
7. If equipped, connect the underbody splash shield to the shroud.
8. NOTE: If necessary, install new appropriately sized worm drive-type clamps.
Connect the radiator upper hose and the overflow hose to the radiator.
9. NOTICE: The coolant hose must be mounted in the lower hole and power steering hose in the upper hole or damage to the hoses may occur.
Connect the coolant degas bottle and power steering hose to the shroud.
10. Install the ACL assembly. For additional information, refer to Intake Air Distribution and Filtering Intake Air System Components - Exploded View.
11. Fill and bleed the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.