LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 495 (Engine Cooling System & Automatic Transmission Cooling System) >> Engine >> Radiator - Fan - Viscous >> Removal >> 3.7L Engine

3.7L Engine

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
  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 accessory drive belt (Refer to COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL) .
  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. See Fig 1. Threads on viscous fan drive are RIGHT HAND. 
    Fig 1: Removing Viscous Fan and Fan Drive - 3.7L/4.7L/5.7L
    GC0003820Courtesy of DAIMLERCHRYSLER CORP.
    1 - SPECIAL TOOL 6958 SPANNER WRENCH WITH ADAPTER PINS 8346
    2 - FAN
  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.
scientia non olet · About LEMON Manuals