TownAndCountry 2008

Heater Core

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Removal & Installation




WARNING
The heater core tubes are not serviced separately from the rear heater core. The heater core tubes should not be repositioned, loosened, or removed from the rear heater core. Failure to follow this warning may result in a coolant leak or serious injury.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect and isolate the negative battery cable.
  4.  
  5. Remove the rear HVAC housing and place it on a workbench. Refer to Auxiliary Heating & Air Conditioning, HVAC Housing, removal & installation.
  6.  
  7. Remove the screw (5) that secures the rear heater core tube bracket (4) to the rear HVAC housing (1).
  8.  
  9. Release the 2 retaining tabs (2) that secure the rear heater core (3) in the rear HVAC housing.
  10.  
  11. Carefully pull the rear heater core out of the end of the rear HVAC housing. If the foam seals on the heater core are deformed or damaged, they must be replaced.

    Click image to see an enlarged view

    Fig. View of rear heater core

  12.  

To install:

  1. Carefully install the rear heater core (3) into the rear HVAC housing (1). Make sure that the foam seals are properly installed and that the 2 retaining tabs (2) are fully engaged.
  2.  
  3. Install the screw (5) that secures the rear heater core tube bracket (4) to the rear HVAC housing. Tighten the screw to 17 inch lbs. (2 Nm).
  4.  
  5. Install the rear heater-A/C (HVAC) housing and place it on a workbench. Refer to Auxiliary Heating & Air Conditioning, HVAC Housing, removal & installation.
  6.  
  7. Reconnect the negative battery cable and tighten the nut to 45 inch lbs. (5 Nm).
  8.  
  9. If the heater core is being replaced, flush the cooling system.
  10.  
  11. Refill the engine cooling system with the proper type and amount of fluid.
  12.  
  13. Evacuate the refrigerant system. Refer to Maintenance, Evacuating The System.
  14.  
  15. Charge the refrigerant system. Refer to Maintenance, Charging The System.
  16.  

 
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