S10 Pickup, Sonoma 2000-2004

Removal & Installation

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  1. Disconnect the negative battery cable.
  2.  
  3. Remove the left instrument panel sound insulator.
  4.  
  5. Remove the knee bolster trim panel.
  6.  
  7. Remove the screws that retain the instrument panel accessory trim plate to the instrument panel.
  8.  
  9. Remove the instrument panel accessory trim plate by releasing the retaining clips.
  10.  
  11. Position the instrument panel accessory trim plate in order to remove the control switches.
  12.  
  13. Remove the HVAC control assembly retaining screws.
  14.  
  15. Depress the HVAC control assembly retaining tabs and remove the HVAC control assembly from the instrument panel.
  16.  
  17. Disconnect the vacuum harness connector from the HVAC control assembly.
  18.  
  19. Disconnect the electrical connectors from the HVAC control assembly.

    Click image to see an enlarged view

    Fig. Control panel removal/installation

  20.  

To install:

  1. Connect the electrical connectors to the HVAC control assembly.
  2.  
  3. Connect the vacuum harness connector to the HVAC control assembly.
  4.  
  5. Install the HVAC control assembly to the instrument panel. Ensure that all 4 retaining tabs lock into place.
  6.  
  7. Install the HVAC control assembly retaining screws and tighten to 17 inch lbs. (1.9 Nm).
  8.  
  9. Install the instrument panel accessory trim plate clips to the instrument panel.
  10.  
  11. Install the screws that retain the instrument panel accessory trim plate to the instrument panel and tighten the screws to 17 inch lbs. (1.9 Nm).
  12.  
  13. Install the knee bolster trim panel.
  14.  
  15. Install the left instrument panel sound insulator.
  16.  
  17. Connect the negative battery cable.
  18.  
  19. Perform a heater function test.
  20.  

 
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