Bonneville, LeSabre, Park Avenue 2000-2005

Removal & Installation

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  1. Disconnect the negative battery cable.
  2.  
  3. Drain the cooling system into a clean container for reuse.
  4.  
  5. Remove or disconnect the following:

    Heater hoses from the heater core
     
    Right sound insulator
     
    All necessary electrical connectors and remove the instrument panel compartment
     
    Temperature valve actuator
     
    Electrical connector and remove the HVAC programmer
     
    Heater core cover-to-heater assembly screws and the cover
     
    Heater core-to-heater assembly screws and the heater core

    Click image to see an enlarged view

    Fig. View of the heater hoses and clamp positions-Bonneville and LeSabre



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    Fig. View of the heater core cover-Bonneville and LeSabre

     

  6.  

To install:

  1. Install or connect the following:

    Heater core and the heater core-to-heater assembly screws, then, tighten the screws to 12 inch lbs. (1.4 Nm)
     
    Heater core cover and the cover-to-heater assembly screws, then, tighten the screws to 12 inch lbs. (1.4 Nm)
     
    HVAC programmer and connect the electrical connector
     
    Temperature valve actuator
     
    Instrument panel compartment and connect any necessary electrical connectors
     
    Right sound insulator
     
    Heater hoses to the heater core
     

  2.  
  3. Refill the cooling system.
  4.  
  5. Connect the negative battery cable.
  6.  
  7. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
  8.  

  1. Disconnect the negative battery cable.
  2.  
  3. Drain the cooling system into a clean container for reuse.
  4.  
  5. Remove or disconnect the following:

    Heater hoses from the heater core
     
    Center console assembly
     
    Auxiliary air distribution duct
     
    Heater core heat shield cover from the HVAC module
     
    Air filter access cover and the heater core cover screws
     
    Heater core cover to obtain access to remove the heater core
     
    Heater core retaining bolts and straps
     
    Heater core

    Click image to see an enlarged view

    Fig. Using Hose Clamp Pliers tool J-37097-A remove the heater hoses clamp-Park Avenue



    Click image to see an enlarged view

    Fig. View of the heater core cover-Park Avenue



    Click image to see an enlarged view

    Fig. View of the heater core-Park Avenue

     

  6.  

To install:

  1. Install or connect the following:

    Heater core
     
    Heater core straps and retaining bolts, then, tighten to 18 inch lbs. (1.5 Nm)
     
    Heater core cover
     
    Air filter access cover and the heater core cover screws, then tighten to 12 inch lbs. (1.4 Nm)
     
    Heater core heat shield cover to the HVAC module
     
    Auxiliary air distribution duct
     
    Center console assembly
     
    Heater hoses to the heater core
     

  2.  
  3. Refill the cooling system.
  4.  
  5. Connect the negative battery cable.
  6.  
  7. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
  8.  

 
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