Dakota, 2001-2005

Removal & Installation

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2.5L Engine




NOTE
The 2.5L engine uses a reverse rotation water pump. The letter R is stamped on the impeller to identify. Engines from previous years may be equipped with forward rotation water pumps. Installation of the wrong water pump will cause engine over heating.



Click image to see an enlarged view

Fig. Reverse rotation water pump-2.5L engine

  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:
    NOTE
    Do not store the fan clutch assembly horizontally, silicone may leak into the bearing grease and cause contamination.


    NOTE
    One of the water pump bolts is longer than the others. Note the location for reassembly.



    Negative battery cable
     
    Accessory drive belt
     
    Engine cooling fan and pulley
     



    Power steering pump
     
    Lower radiator hose
     
    Heater hose
     
    Water pump
     



    Click image to see an enlarged view

    Fig. Water pump assembly-2.5L engine

  6.  

To install:

  1. Install or connect the following:

    Water pump using a new gasket. Tighten the bolts to 17 ft. lbs. (23 Nm).
     
    Heater hose
     
    Lower radiator hose
     
    Power steering pump
     
    Engine cooling fan and pulley
     
    Accessory drive belt
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Run the engine and check for leaks.
  6.  

3.7L Engine



  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  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 tightening sequence-3.7L Engine

  8.  

3.9L & 5.9L Engines



  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:
    NOTE
    Do not store the fan clutch assembly horizontally, silicone may leak into the bearing grease and cause contamination.



    Negative battery cable
     
    Engine cooling fan and shroud
     



    Accessory drive belt
     
    Water pump pulley
     
    Lower radiator hose
     
    Heater hose and tube
     
    Bypass hose
     
    Water pump

    Click image to see an enlarged view

    Fig. Water pump mounting bolt locations-3.9L and 5.9L engines

     

  6.  

To install:

  1. Install or connect the following:

    Water pump, using a new gasket. Tighten the bolts to 30 ft. lbs. (40 Nm).
     
    Bypass hose
     
    Heater hose and tube. Use a new O-ring seal.
     
    Lower radiator hose
     
    Water pump pulley. Tighten the bolts to 20 ft. lbs. (27 Nm).
     
    Accessory drive belt
     
    Engine cooling fan and shroud
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the engine and check for leaks.
  6.  

4.7L Engine



  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:
    NOTE
    If a new pump is being installed, don-t separate the fan from the drive.


    WARNING
    Keep the fan upright to avoid fluid loss from the drive.



    Negative battery cable
     
    Fan and fan drive assembly from the pump. Don-t attempt to remove it from the vehicle, yet.
     



    Shroud and fan
     



    Accessory drive belt
     
    Lower radiator hose
     
    Water pump

    Click image to see an enlarged view

    Fig. Water pump torque sequence-4.7L engine

     

  6.  
  7. Installation is the reverse of removal. Tighten the bolts in sequence to 40 ft. lbs. (54 Nm).
  8.  

 
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