Sierra, Silverado 2006-2007

Removal & Installation

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  1. Remove the instrument cluster trim plate bezel.
  2.  
  3. Remove the instrument panel storage tray.
  4.  
  5. Remove the accessory switch assembly from the instrument panel.
  6.  
  7. Remove the screws from the HVAC control assembly.
  8.  
  9. Remove the HVAC control assembly, with the following procedure:
    1. Release the retaining tabs.
    2.  
    3. Pull the control head out of the instrument panel carrier.
    4.  

  10.  
  11. Unplug the electrical connectors from the HVAC control assembly.

    Click image to see an enlarged view

    Fig. Exploded view of the control panel mounting-2007 models, except Classic

  12.  

To install:


WARNING
Make sure the ignition key is in the OFF position when connecting the electrical connectors to ensure the proper calibration of the control panel.

  1. Engage the electrical connectors to the HVAC control assembly.
  2.  
  3. Install the HVAC control assembly.
  4.  
  5. Install the accessory switch assembly to the instrument panel.
  6.  
  7. Install the screws from the HVAC control assembly.
  8.  
  9. Install the instrument panel storage tray.
  10.  
  11. Install the instrument cluster trim plate bezel.
    WARNING
    Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.

  12.  
  13. Start the vehicle and let run for one minute .
  14.  

 
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