Special Tools
J 46406  Fan Clutch Remover and Installer
Removal Procedure
- Drain the cooling system. Refer to 
Cooling System Draining and Filling.
 
- Remove the air cleaner assembly. Refer to 
Air Cleaner Assembly Replacement for the 4.2L engine or 
Air Cleaner Assembly Replacement for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine.
 
- Remove the air resonator assembly. Refer to 
Air Cleaner Outlet Resonator Replacement for the 4.2L engine or 
Air Cleaner Resonator Outlet Duct Replacement for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine.
 
- Remove the inlet radiator hose. Refer to 
Radiator Inlet Hose Replacement.
 
- Remove the transmission oil cooler lines from the fan shroud.
 
- Using 
J 46406  remove the fan clutch from the water pump.
 
- Remove the mounting bolts from the upper fan shroud.
 
- Lift and push the fan shroud inward to clear the filler neck on the radiator.
 
- Remove the fan and the shroud.
 
Installation Procedure
- Install the fan and the shroud.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the mounting bolts to the upper fan shroud.
 
Tighten
Tighten the bolts to 28 N·m (21 lb ft).
- Using 
J 46406  install the fan clutch to the water pump.
 
- Install the transmission oil cooler lines to the fan shroud.
 
- Install the inlet radiator hose. Refer to 
Radiator Inlet Hose Replacement.
 
- Install the air resonator assembly. Refer to 
Air Cleaner Outlet Resonator Replacement for the 4.2L engine or 
Air Cleaner Resonator Outlet Duct Replacement for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine.
 
- Install the air cleaner assembly. Refer to 
Air Cleaner Assembly Replacement for the 4.2L engine or 
Air Cleaner Assembly Replacement for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine.
 
- Fill the cooling system. Refer to 
Cooling System Draining and Filling.