Fan Clutch Replacement Diesel
Tools Required
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
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.
- 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.
- 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.
Important: 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).
Important: 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
.