Fan Clutch Replacement Diesel
Special Tools
J 41240-5A Fan Clutch Wrench
Removal Procedure
- Remove the upper fan shroud. Refer to
Engine Coolant Fan Upper Shroud Replacement.
- Remove the 3 engine cooling fan shroud bolts (1).
- Position the engine cooling fan shroud (1) forward to the radiator.
- Install a long pin bar into the fan hub (1).
- Use a
J 41240-5A to remove the fan hub nut (2) from the hub in a counterclockwise rotation.
- Remove the fan and the engine cooling fan shroud as an assembly.
- Remove the fan clutch bolts from the rear of the fan blade.
- Separate the fan clutch from the fan blade.
Installation Procedure
Warning: Do not use or attempt to repair a damaged cooling fan assembly. Replace damaged fans with new assemblies. An unbalanced cooling fan could fly apart causing personal injury and property damage.
- Install the fan clutch onto the fan blade.
Caution: Refer to Fastener Caution in the Preface section.
- Install the fan clutch bolts.
Tighten
Tighten the bolts to 23 N·m (17 lb ft).
- Install the fan and engine cooling fan shroud assembly to the fan hub.
- Use a
J 41240-5A on the fan clutch hub nut (2) to install a long pry bar to the fan clutch hub (1).
Tighten
Tighten the nut clockwise to 56 N·m (41 lb ft).
- Position the engine cooling fan shroud on the 3 mounting brackets (1).
- Install the bolts. Loosely tighten the top mounting bolt at the oil filler neck.
Note: Maintain a 6 mm (0.25 in) minimum clearance at all 3 places.
- Center the engine cooling fan shroud to the fan blade in 3 places (1).
Note: Improper installation could cause damage to the fan and shroud while vehicle is in service.
- Make sure the orientation of the cooling fan shroud (1) and rubber seal (2) are installed correctly
- Fully tighten the 3 engine cooling fan shroud bolts (1).
Tighten
Tighten the bolts to 8 N·m (71 lb in).
- Install the upper fan shroud. Refer to
Engine Coolant Fan Upper Shroud Replacement.