Grand Cherokee 2006-2007

Crankshaft Damper (Balancer)

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Removal & Installation



3.7L Engine
  1. Disconnect negative cable.
  2.  
  3. Remove radiator fan.
  4.  
  5. Remove accessory drive belt.
  6.  
  7. Remove crankshaft damper bolt.
  8.  
  9. Remove damper using Special Tools 8513 Insert and 1026 Three Jaw Puller or equivalent.
  10.  

To install:

  1. Align crankshaft damper slot with key in crankshaft. Slide damper onto crankshaft slightly.
  2.  
  3. Using Special Tool 8512-A or equivalent, press damper onto crankshaft.
  4.  
  5. Install and tighten crankshaft damper bolt to 130 ft. lbs. (175 Nm).
  6.  
  7. Install radiator fan.
  8.  
  9. Install accessory drive belt.
  10.  
  11. Connect negative cable.
  12.  

4.7L Engine
  1. Disconnect negative cable.
  2.  
  3. Remove accessory drive belt.
  4.  
  5. Drain cooling system.
  6.  
  7. Remove radiator upper hose.
  8.  
  9. Remove upper fan shroud.
  10.  
  11. Using Special Tools 6958 Spanner with Adapter Pins 8346 or equivalent, loosen fan and viscous assembly from water pump.
  12.  
  13. Remove fan and viscous assembly.
  14.  
  15. Disconnect electrical connector for fan mounted inside radiator shroud.
    NOTE
    Transmission cooler line snaps into shroud lower right hand corner.

  16.  
  17. Remove crankshaft damper bolt.
  18.  
  19. Remove damper using Special Tools 8513 Insert and 1026 Three Jaw Puller or equivalent.

    Click image to see an enlarged view

    Fig. A three jaw puller with adapters will assist in removing dampener from crankshaft

  20.  

To install:

  1. Align crankshaft damper slot with key in crankshaft. Slide damper onto crankshaft slightly.
  2.  
  3. Using Special Tool 8512-A or equivalent, press damper onto crankshaft.
  4.  
  5. Install and tighten crankshaft damper bolt to 130 ft. lbs. (175 Nm).
  6.  
  7. Install fan blade assembly.
  8.  
  9. Install radiator upper shroud and tighten fasteners to 95 inch lbs. (11 Nm).
  10.  
  11. Connect electrical connector for shroud fan.
  12.  
  13. Install radiator upper hose.
  14.  
  15. Install accessory drive belt.
  16.  
  17. Refill cooling system.
  18.  
  19. Connect negative cable.
  20.  

5.7L Engine
  1. Disconnect negative cable.
  2.  
  3. Remove accessory drive belt.
  4.  
  5. Drain cooling system.
  6.  
  7. Remove radiator upper hose.
  8.  
  9. Remove fan shroud.
  10.  
  11. Remove crankshaft damper bolt.
  12.  
  13. Remove damper using Special Tools 8513A Insert and 1023 Three Jaw Puller or equivalent.
  14.  

To install:

  1. Slide damper onto crankshaft slightly.
  2.  
  3. Using Special Tool 8512-A or equivalent, press damper onto crankshaft.
  4.  
  5. Install then tighten crankshaft damper bolt to 129 ft. lbs. (176 Nm).
  6.  
  7. Install fan blade assembly.
  8.  
  9. Install radiator upper shroud and tighten fasteners to 95 inch lbs. (11 Nm).
  10.  
  11. Install radiator upper hose.
  12.  
  13. Install accessory drive belt.
  14.  
  15. Refill cooling system.
  16.  
  17. Connect negative cable.
  18.  

 
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