Malibu 2001-2005

Removal & Installation

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  1. Remove the I/P accessory trim plate.

    Click image to see an enlarged view

    Fig. Remove the I/P accessory trim plate

  2.  
  3. Remove the HVAC control assembly screws.
  4.  
  5. Remove the HVAC control assembly away from the I/P.

    Click image to see an enlarged view

    Fig. Disconnect the vacuum hose harness connector (1), the temperature actuator (2), the blower motor switch electrical connector (3), and the rear defroster control electrical connector (4) from the HVAC control assembly

  6.  
  7. Disconnect the vacuum hose harness connector from the HVAC control assembly.
  8.  
  9. Disconnect the temperature actuator from the HVAC control assembly
  10.  
  11. Disconnect the blower motor switch electrical connector from the HVAC control assembly.
  12.  
  13. Disconnect the rear defroster control electrical connector from the HVAC control assembly.
  14.  

To install:

  1. Connect the vacuum hose harness connector to the HVAC control assembly.
  2.  
  3. Connect the temperature actuator to the HVAC control assembly.
  4.  
  5. Connect the blower motor switch electrical connector from the HVAC control assembly.
  6.  
  7. Connect the rear defroster control electrical connector from the HVAC control assembly.
  8.  
  9. Install the HVAC control assembly to the I/P.
    NOTE
    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  10.  
  11. Install the HVAC control assembly retaining screws, and tighten the screws to 18 lb inches (2 Nm).
  12.  
  13. Install the accessory trim plate.
  14.  

  1. Remove the instrument panel (I/P) center trim panel.
  2.  
  3. Remove the HVAC control module screws.
  4.  
  5. Remove the HVAC control module.
  6.  
  7. Remove the HVAC control module wire harness connectors.

    Click image to see an enlarged view

    Fig. The removal of the control module

  8.  

To install:


NOTE
The key should be in the OFF position when connecting the electrical connectors to ensure proper calibration.

  1. Install the HVAC control module wire harness connectors.
  2.  
  3. Install the HVAC control module.
  4.  
  5. Tighten the HVAC control module screws, and tighten the screws to 22 lb inches (2.5 Nm).
  6.  
  7. Install the I/P center trim panel.
    NOTE
    Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.

  8.  
  9. Start the engine and let run for one minute.
  10.  

 
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