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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Cooling - Removal & Installation) >> Fan Drive Viscous Clutch-5.9L >> Removal

Fan Drive Viscous Clutch-5.9L: Removal

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect battery negative cable.
  2. The thermal viscous fan drive/fan blade assembly is attached (threaded) to water pump hub shaft (Fig 1). Remove fan blade/viscous fan drive assembly from water pump by turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND  . A Snap-On 36 MM Fan Wrench (number SP346 from Snap-On Cummins Diesel Tool Set number 2017DSP) and Special Tool 6958 Spanner Wrench with Adapter Pins 8346 can be used to hold the pulley still. (Fig 2) to prevent pulley from rotating.
    Fig 1: Removing Viscous Fan Drive From Shaft
    G02656468Courtesy of DAIMLERCHRYSLER CORP.
    Fig 2: Removing Viscous Fan Drive
    G02656467Courtesy of DAIMLERCHRYSLER CORP.
  3. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
  4. Do not unbolt fan blade assembly (Fig 3)from viscous fan drive at this time.
    Fig 3: Removing Viscous Fan Drive From Fan Blade
    G02656469Courtesy of DAIMLERCHRYSLER CORP.
  5. Remove upper fan shroud attaching hardware (Fig 4).
    Fig 4: Removing Upper Fan Shroud
    G02656470Courtesy of DAIMLERCHRYSLER CORP.
  6. Remove upper fan shroud and fan blade/viscous fan drive 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.
  8. Remove four bolts securing fan blade assembly to viscous fan drive (Fig 3).
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