Fan Replacement Diesel

Tools Required

J 46406 Fan Clutch Remover and Installer

1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .



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.

Caution: 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.

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 fan clutch bolts

Tighten
Tighten the bolts to 23 N·m (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
Tighten the nut clockwise to 56 N·m (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.




Important: 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).




Important: 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
Tighten the bolts to 8 N·m (71 lb in).

10. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .

Fan Replacement Mechanical

Tools Required

1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement.
2. Install the J-48460 Fan Clutch Remover and Installer Kit (1).
3. Install the J 41240-5A Fan Clutch Wrench (2).



4. Remove the fan hub nut from the water pump in a counterclockwise rotation.



5. Remove the fan clutch bolts from the rear of the fan blade.
6. Separate the fan clutch from the fan blade.

Caution: 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.

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 fan clutch bolts

Tighten
Tighten the bolts to 23 N·m (17 lb ft).




3. Install the fan assembly.



4. Install the J-48460 Fan Clutch Remover and Installer Kit (1) and J 41240-5A Fan Clutch wrench (2).

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

5. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement.