Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

Removal & Installation

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  1. Remove the bezel for the instrument panel cluster.
  2.  
  3. Remove the Radio.
  4.  
  5. Remove the heater control assembly by firmly depressing and holding the retaining tabs and then sliding the assembly away from the dash.
  6.  
  7. Disconnect the temperature and mode cables from the back of the control head.
  8.  
  9. Disconnect the electrical connection from the control head.
  10.  
  11. Remove the control head.

    Click image to see an enlarged view

    Fig. Control head for climate control system



    Click image to see an enlarged view

    Fig. Connections for control head-C/K Series shown

  12.  

To install:

  1. Connect the electrical connection to the control head
  2.  
  3. Connect the temperature and mode cables to the back of the control head.
  4.  
  5. Install the control head to the instrument panel carrier until a snap is heard.
  6.  
  7. Install the radio.
  8.  
  9. Install the bezel for the instrument panel cluster.
  10.  

  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

  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.  

Manual Control Panel



  1. Remove the bezel located in the instrument panel center cluster.
  2.  
  3. Remove the radio for access.
  4.  
  5. Remove the heater control assembly by firmly depressing and holding the retaining tabs and then sliding the assembly away from the dash.
  6.  
  7. Disconnect the temperature and mode cables from the back of the control head.
  8.  
  9. Disconnect the electrical connection from the control head.
  10.  
  11. Remove the control head.

    Click image to see an enlarged view

    Fig. Control panel location

  12.  

To install:

  1. Connect the electrical connection to the control head
  2.  
  3. Connect the temperature and mode cables to the back of the control head.

    Click image to see an enlarged view

    Fig. Electrical connections at control panel

  4.  
  5. Install the control head to the I/P carrier until a snap is heard.
  6.  
  7. Install the radio.
  8.  
  9. Install the bezel into the instrument panel.
  10.  


CAUTION
This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause air bag deployment, unnecessary SIR system repairs or PERSONAL INJURY. If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System in AIR BAG/SIR.


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

  1. Disable the SIR system, as outlined in the Chassis Electrical Section.
  2.  
  3. Remove the instrument panel trim bezel.
  4.  
  5. Remove the IP module switch from the lower right opening of the switch plate panel.

    Click image to see an enlarged view

    Fig. Instrument panel module switch

  6.  
  7. Disconnect the IP module switch electrical connector.
  8.  
  9. Release the retaining tabs on the control assembly.
  10.  
  11. Pull the control head out of the instrument panel carrier.
  12.  
  13. Disconnect the electrical connectors from the control assembly.

    Click image to see an enlarged view

    Fig. Control assembly

  14.  

To install:

  1. Connect the electrical connectors to the control assembly.
  2.  
  3. Install the control assembly.
  4.  
  5. Tighten the screws to 17 inch lbs. (1.9 Nm).
  6.  
  7. Install the inflatable restraint module switch to the instrument panel.
  8.  
  9. Install the IP storage tray.
  10.  
  11. Install the instrument cluster trim plate bezel.
  12.  
  13. Calibrate the HVAC module actuators.
    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.

  14.  

With Automatic Temperature Control (Atc)



  1. Disable the SIR system, as outlined in the Chassis Electrical Section.
  2.  
  3. Remove the instrument panel accessory trim plate.
  4.  
  5. Remove the control assembly retaining screws.
  6.  
  7. Depress the control assembly retaining tabs and remove the control assembly from the instrument panel.
  8.  
  9. Disconnect the electrical connectors from the control assembly.
  10.  
  11. Remove the control assembly bulb from the control assembly and retain.
  12.  

To install:

  1. Install the control assembly bulb to the control assembly.
  2.  
  3. Connect the electrical connectors to the control assembly.
  4.  
  5. Install the control assembly into the instrument panel, ensuring that the control assembly retaining tabs lock into place.
  6.  
  7. Install the control assembly retaining screws.
  8.  
  9. Tighten the screws to 17 inch lbs. (1.9 Nm).
  10.  
  11. Install the instrument panel accessory trim plate.
    NOTE
    Vehicles equipped with an Auxiliary Computer Climate Control System (ECC) and a rear overhead control assembly (without a sunroof) require a special configuration procedure to be performed with a scan tool after the main control assembly in the I/P is replaced. Failure to perform the configuration procedure may result in the auxiliary control unit operating improperly.

  12.  
  13. Perform the configuration procedure if necessary.

    Install a scan tool
     
    Turn the ignition ON , with the engine OFF.
     
    Select Special Functions.
     
    Select Setup New HVAC.
     
    Select Aux. HVAC (RPO C69).
     
    Use the Enter Key to select Programmed. An asterisk will appear by Aux. HVAC (RPO C69) when it is programmed.
     
    Press the Save Options Softkey.
     

  14.  

 
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