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

Air Mix/Mode Actuator (Blend Door)

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Removal & Installation



  1. Remove the left side rear quarter trim.
  2.  
  3. Disconnect the vacuum line from the vacuum actuator.
  4.  
  5. Remove the vacuum actuator from the heater A/C module.
  6.  

To install:

  1. Install the vacuum actuator to the heater A/C module.
  2.  
  3. Connect the vacuum line to the vacuum actuator.
  4.  
  5. Install the left side rear quarter trim.
  6.  

  1. Remove the right side rear quarter trim.
  2.  
  3. Disconnect the vacuum line from the vacuum actuator.
  4.  
  5. Remove the vacuum actuator from the heater A/C module.
  6.  

To install:

  1. Install the vacuum actuator to the heater A/C module.
  2.  
  3. Connect the vacuum line to the vacuum actuator.
  4.  
  5. Install the right side rear quarter trim.
  6.  

  1. Remove the right rear quarter trim panel.
  2.  
  3. Disconnect the electrical connector from the actuator.
  4.  
  5. Remove the retaining screws from the actuator.
  6.  
  7. Remove the mode actuator from the housing.

    Click image to see an enlarged view

    Fig. Actuator location, typical

  8.  

To install:

  1. Install the mode actuator to the housing.
  2.  
  3. Install the retaining screws to the actuator and tighten to 14 inch lbs. (1.6 Nm).
  4.  
  5. Connect the electrical connector to the actuator.
  6.  
  7. Install the right rear quarter trim panel.
  8.  
  9. Calibrate the HVAC module actuators, if required.
  10.  

 
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