Commander 4WD V8-4.7L VIN N (2006)
Fan Clutch: Service and Repair
VISCOUS CLUTCH-FAN DRIVE
REMOVAL
NOTE: The thermal viscous fan drive/fan blade assembly is attached (threaded) to water pump hub shaft.
1. Remove the accessory drive belt.
2. Remove fan blade/viscous fan drive assembly from water pump using special tool 6958 spanner wrench and 8346 adapters, by turning mounting
nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND.
3. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
4. Do not unbolt fan blade assembly from viscous fan drive at this time.
5. Remove fan shroud to radiator bolts.
6. Remove fan shroud and fan blade/viscous fan drive assembly as a complete unit from vehicle.
7. After removing fan blade/viscous fan drive assembly, do not place viscous fan drive in horizontal position. If stored horizontally, silicone fluid in
the viscous fan drive could drain into its bearing assembly and contaminate lubricant.
CAUTION: Do not remove water pump pulley-to-water pump bolts. This pulley is under belt tension.
8. Remove four bolts securing fan blade assembly to viscous fan drive.
INSTALLATION
1. Assemble fan blade to viscous fan drive. Tighten mounting bolts to 27 Nm (20 ft. lbs.) torque.
