Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Removal & Installation

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  1. Remove the instrument panel bezel.
  2.  
  3. Remove the radio.
  4.  
  5. Remove the heater control assembly.
  6.  
  7. Disconnect the temperature control cable from the heater/ventilation module.
  8.  
  9. Remove the temperature control cable from the instrument panel carrier.
  10.  

To install:

  1. Install the temperature control cable to the instrument panel carrier.
  2.  
  3. Connect the temperature control cable to the heater/ventilation module.
  4.  
  5. Install the heater control assembly.
  6.  
  7. Install the radio.
  8.  
  9. Install the instrument panel bezel.
  10.  

  1. Remove the instrument panel bezel.
  2.  
  3. Remove the radio.
  4.  
  5. Remove the heater control assembly.
  6.  
  7. Disconnect the mode control cable from the heater/ventilation module.
  8.  
  9. Remove the control cable from the instrument panel carrier.
  10.  

To install:

  1. Install the control cable to the instrument panel carrier.
  2.  
  3. Connect the control cable to the heater/ventilation module.
  4.  
  5. Install the heater control assembly.
  6.  
  7. Install the radio.
  8.  
  9. Install the instrument panel bezel.
  10.  

2005-06 & 2007 Classic Models



  1. Remove the instrument panel bezel.
  2.  
  3. Remove the radio.
  4.  
  5. Remove the heater control assembly.
  6.  
  7. Disconnect the mode control cable from the heater/ventilation module.
  8.  
  9. Remove the control cable from the instrument panel carrier.
  10.  

To install:

  1. Install the control cable to the instrument panel carrier.
  2.  
  3. Connect the control cable to the heater/ventilation module.
  4.  
  5. Install the heater control assembly.
  6.  
  7. Install the radio.
  8.  
  9. Install the instrument panel bezel.
  10.  

Mode Control Cable



  1. Remove the radio.
  2.  
  3. Remove the heater control assembly.
  4.  
  5. Disconnect the mode cable from the heater/ventilation module.
  6.  
  7. Remove the mode cable from the instrument panel carrier.

    Click image to see an enlarged view

    Fig. Mode control cable attachment at HVAC housing

  8.  

To install:

  1. Install the mode cable to the instrument panel carrier.
  2.  
  3. Connect the mode cable to the heater/ventilation module.
  4.  
  5. Install the heater control assembly.
  6.  
  7. Install the radio.
  8.  

Temperature Door Cable



  1. Remove the radio.
  2.  
  3. Remove the heater control assembly.
  4.  
  5. Disconnect the temperature control cable from the heater/ventilation module.
  6.  
  7. Remove the temperature control cable from the instrument panel carrier.

    Click image to see an enlarged view

    Fig. Temperature control cable attachment at HVAC housing

  8.  

To install:

  1. Install the temperature control cable to the instrument panel carrier.
  2.  
  3. Connect the temperature control cable to the heater/ventilation module.
  4.  
  5. Install the heater control assembly.
  6.  
  7. Install the radio.
  8.  

 
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