Liberty Sport 2WD L4-2.4L VIN 1 (2002)
Fan Clutch: Service and Repair
REMOVAL
1. Disconnect negative battery cable from battery.
NOTE: The thermal viscous fan drive/fan blade assembly is attached (threaded) to water pump hub shaft.
2. Remove the sccessory drive belt.
3. 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.
4. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
5. Do not unbolt fan blade assembly from viscous fan drive at this time.
6. Remove fan shroud to radiator bolts.
7. Remove fan shroud and fan blade/viscous fan drive assembly as a complete unit from vehicle.
8. 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.
9. Remove four bolts securing fan blade assembly to viscous fan drive.
CLEANING
Clean the fan blades using a mild soap and water. Do not use an abrasive to clean the blades.
INSPECTION
WARNING: DO NOT ATTEMPT TO BEND OR STRAIGHTEN FAN BLADES IF FAN IS NOT WITHIN SPECIFICATIONS.
CAUTION: If fan blade assembly is replaced because of mechanical damage, water pump and viscous fan drive should also be inspected. These
components could have been damaged due to excessive vibration.
1. Remove fan blade assembly from viscous fan drive unit (four bolts).
2. Lay fan on a flat surface with leading edge facing down. With tip of blade touching flat surface, replace fan if clearance between opposite blade
and surface is greater than 2.0 mm (0.090 inch). Rocking motion of opposite blades should not exceed 2.0 mm (0.090 inch). Test all blades in this
manner.
3. Inspect fan assembly for cracks, bends, loose rivets or broken welds. Replace fan if any damage is found.
INSTALLATION