Ram Truck 1500, 2500 & 3500 (2006-2008)

Removal & Installation

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3.7L & 4.7L Engines



  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
     
    8 water pump 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 and 4.7L engines

  8.  

5.7L Engines



  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
     
    Accessory drive belt
     
    Engine cooling fan
     
    Coolant recovery bottle
     
    Washer bottle
     
    Fan shroud
     
    A/C compressor and alternator brace
     
    Idler pulleys
     
    Belt tensioner
     
    Radiator hoses
     
    Heater hoses
     
    Water pump
     

  6.  

To install:

  1. Install or connect the following:

    Water pump and tighten the bolts to 18 ft. lbs. (24 Nm)
     
    Heater hoses
     
    Radiator hoses
     
    Idler pulleys
     
    A/C compressor and alternator brace
     
    Fan shroud
     
    Washer bottle
     
    Coolant recovery bottle
     
    Accessory drive belt
     
    Negative battery cable
     
    Negative battery cable
     

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

5.9L & 6.7L Diesel Engines



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect both negative battery cables.
  4.  
  5. Drain the cooling system.
  6.  
  7. Disconnect ambient air temp sensor electrical connector and mass airflow sensor electrical connector (if equipped).
  8.  
  9. Remove turbocharger inlet tube and air filter housing.
  10.  
  11. Remove the alternator assembly.
  12.  
  13. Remove the accessory drive belt.
  14.  
  15. Remove water pump mounting bolts.
  16.  
  17. Remove O-ring from water pump.

    Click image to see an enlarged view

    Fig. Water pump and mounting bolt view

  18.  

To install:

  1. Install new O-ring seal in groove on water pump .
  2.  
  3. Install water pump with the weep hole facing downward. Tighten mounting bolts to 18 ft. lbs. (24 Nm).
  4.  
  5. Install the alternator assembly. Tighten mounting bolts and nut to 30 ft. lbs. (41 Nm).
  6.  
  7. Install accessory drive belt.
  8.  
  9. Install air box and tube assembly.
  10.  
  11. Install air filter housing.
  12.  
  13. Fill cooling system.
  14.  
  15. Connect both negative battery cables.
  16.  
  17. Start and warm the engine. Check for leaks.
  18.  

 
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