Fan Clutch: Service and Repair
Viscous Coupling, Fan Blades, Pulley and Cowl
Service Repair No - 26.25.19 - Viscous Coupling and Fan Assembly
Service Repair No - 26.25.03 - Water Pump Pulley
Service Repair No - 26.25.05 - Fan Blades
Special Tools:
LRT-12-093
LRT-12-094 - Viscous Coupling Removal
Remove
1. Disconnect battery negative lead.
2. Remove 2 clips securing cooling fan upper cowl. Remove cowl.
NOTE: 4.0L Only: Release coolant hose from cooling fan upper cowl.
3. Use LRT-12-093 to prevent coolant pump pulley from turning and using LRT-12-094, unscrew viscous coupling from water pump.
NOTE: Nut securing viscous unit to water pump has a RIGHT-HAND thread. Release by turning anti-clockwise when viewed from the front of viscous unit.
4. Remove fan and coupling assembly.
Do not carry out further dismantling if component is removed for access only.
NOTE: Mark fan with reference to assist refitting.
5. Remove 4 Allen screws securing blades to coupling. Remove coupling.
6. Remove serpentine drive belt.
7. Remove pulley fixings, remove pulley.
INSTALLATION
1. Reverse procedure, ensuring fan blades are fitted correctly. Fan is marked FRONT and should be fitted with word FRONT closest to radiator.
Fan Blades to coupling 24 Nm
Fan Assembly to Pump 56 Nm