Fan Clutch: Service and Repair

Cooling Fan-4.6L, 5.4L and 6.8L




Special Tool(s)

Removal and Installation

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.
2. Drain the engine cooling system.
3. Remove the air cleaner assembly.





4. Disconnect the radiator upper hose and the overflow hose from the radiator. Position the hoses aside.





5. CAUTION: The coolant hose must be mounted in the lower hole and power steering hose in the upper hole or damage to the hoses can occur.

Disconnect the coolant degas bottle and power steering hose from the shroud.

Vehicles with 4.6L, 5.4L engine





6. CAUTION: The clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.

Using the special tools, loosen the fan clutch.

Vehicles with 6.8L engine





7. CAUTION: The clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.

Using the special tools, 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. CAUTION: 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. To install, reverse the removal procedure.
^ If necessary, install new appropriately sized worm drive-type clamps.
13. Fill and bleed the engine cooling system.