Fan Replacement
Fan Replacement (Diesel)
Special Tools
J 46406 Fan Clutch Remover and Installer
Removal Procedure
1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (Mechanical) (Service and Repair)Engine Coolant Fan Upper Shroud Replacement (Diesel) (Service and Repair).
2. Remove the 3 engine cooling fan shroud bolts (1).
3. Position the engine cooling fan shroud (1) forward to the radiator.
4. Install a long pin bar into the fan hub (1).
5. Use a J 46406 to remove the fan hub nut (2) from the hub in a counterclockwise rotation.
6. Remove the fan and the engine cooling fan shroud as an assembly.
7. Separate fan and shroud.
8. Remove the fan clutch bolts from the rear of the fan blade.
9. 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.
1. Install the fan clutch onto the fan blade.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the fan clutch bolts
Tighten the bolts to 23 Nm (17 lb ft).
3. Install the fan and engine cooling fan shroud assembly to the fan hub.
4. Use a J 46406 on the fan clutch hub nut (2) to install a long pry bar to the fan clutch hub (1).
Tighten the nut clockwise to 56 Nm (41 lb ft).
5. Position the engine cooling fan shroud on the 3 mounting brackets (1).
6. 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.
7. 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.
8. Make sure the orientation of the cooling fan shroud (1) and rubber seal (2) are installed correctly
9. Fully tighten the 3 engine cooling fan shroud bolts (1).
Tighten the bolts to 8 Nm (71 lb in).
10. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (Mechanical) (Service and Repair)Engine Coolant Fan Upper Shroud Replacement (Diesel) (Service and Repair).