Grand Cherokee 2006-2007

Removal & Installation

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3.7L Engine



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Fan and clutch assembly from the pump
     
    Fan shroud and fan assembly. If you-re reusing the fan clutch, keep it upright to avoid silicone fluid loss!
     
    Lower hose
     
    Water pump (8 bolts)
     

  6.  
  7. Installation is the reverse of removal. Tighten the bolts, in sequence, to 40 ft. lbs. (54 Nm).

    Click image to see an enlarged view

    Fig. Water pump bolt tightening sequence-3.7L engine

  8.  

4.7L Engine



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Fan and clutch assembly from the pump
     
    Fan shroud and fan assembly. If you-re reusing the fan clutch, keep it upright to avoid silicone fluid loss!
     
    Drive belt
     
    Lower radiator hose from the water pump
     
    Water pump
     

  6.  
  7. Clean the mating surfaces of all gasket material.
  8.  

To install:

Click image to see an enlarged view

Fig. Water pump bolt torque sequence-4.7L engine

  1. Install or connect the following:

    Water pump using a new gasket. Torque the bolts to 40 ft. lbs. (54 Nm).
     
    Lower radiator hose
     
    Drive belt
     
    Negative battery cable
     

  2.  
  3. Fill and bleed the cooling system.
  4.  
  5. Start the engine, check for leaks and repair if necessary.
  6.  

5.7L Engines



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. Drain coolant.
  6.  
  7. Remove serpentine belt.
  8.  
  9. Remove fan clutch assembly.
  10.  
  11. Remove coolant fill bottle.
  12.  
  13. Disconnect washer bottle wiring and hose.
  14.  
  15. Remove fan shroud assembly.
  16.  
  17. Remove A/C compressor and generator brace.
  18.  
  19. Remove idler pulleys.
  20.  
  21. Remove belt tensioner assembly.
  22.  
  23. Remove upper and lower radiator hoses.
  24.  
  25. Remove heater hoses.
  26.  
  27. Remove water pump mounting bolts and remove pump.
  28.  

To install:

  1. Install water pump and mounting bolts. Tighten mounting bolts to 18 ft. lbs. (24 Nm).
  2.  
  3. Install heater hoses.
  4.  
  5. Install upper and lower radiator hoses.
  6.  
  7. Install belt tensioner assembly.
  8.  
  9. Install idler pulleys.
  10.  
  11. Install A/C compressor and alternator brace. Tighten bolt and nuts to 21 ft. lbs. (28 Nm).
  12.  
  13. Install fan shroud assembly.
  14.  
  15. Connect washer bottle wiring and hose.
  16.  
  17. Install coolant fill bottle.
  18.  
  19. Install fan clutch assembly.
  20.  
  21. Install serpentine belt.
  22.  
  23. Connect negative battery cable.
  24.  
  25. Fill coolant.
  26.  
  27. Pressure test coolant system
  28.  

 
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