Express, Savana, G1500, G2500, G3500, 1998-2005

Heater Core

Print

Removal & Installation



  1. Drain the engine cooling system into a clean container for reuse.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Heater hoses from the rear auxiliary heater core
     
    Rear interior quarter trim panel from the left rear side
     
    Blower motor from the rear auxiliary heater case
     
    Rear auxiliary heater case retainers and the case
     
    Lower auxiliary heater case retainers and the lower case
     
    Rear heater core from the case

    Click image to see an enlarged view

    Fig. View of the rear auxiliary heater core, case and retainers- Express and Savana

     

  4.  

To install:

  1. Install or connect the following:

    Rear auxiliary heater core to the case
     
    Lower case and the lower auxiliary heater case retainers
     
    Rear auxiliary heater case retainers and the case
     
    Blower motor to the rear auxiliary heater case
     
    Rear interior quarter trim panel
     
    Heater hoses to the rear auxiliary heater core
     

  2.  
  3. Refill the engine cooling system.
  4.  
  5. Connect the negative battery cable.
  6.  

  1. Drain the engine cooling system into a clean container for reuse.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Heater hoses from the rear auxiliary heater core
     
    Rear interior quarter trim panel from the left rear side
     
    Blower motor from the rear auxiliary heater case
     
    Rear auxiliary heater case retainers and the case
     
    Lower auxiliary heater case retainers and the lower case
     
    Rear heater core from the case

    Click image to see an enlarged view

    Fig. View of the rear auxiliary heater core, case and retainers-Express and Savana

     

  4.  

To install:

  1. Install or connect the following:

    Rear auxiliary heater core to the case
     
    Lower case and the lower auxiliary heater case retainers
     
    Rear auxiliary heater case retainers and the case
     
    Blower motor to the rear auxiliary heater case
     
    Rear interior quarter trim panel
     
    Heater hoses to the rear auxiliary heater core
     

  2.  
  3. Refill the engine cooling system.
  4.  
  5. Connect the negative battery cable.
  6.  

 
label.common.footer.alt.autozoneLogo