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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1296 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Mode Door Replacement - Upper >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The upper mode door is serviced with the upper HVAC module case.
    Fig 1: Identifying Heat Stakes
    GM2008728Courtesy of GENERAL MOTORS CORP.
  1. Remove the HVAC module. Refer to Air Conditioning and Heater Module Assembly Replacement .
  2. Disconnect the electrical connector from the mode actuator.
  3. Remove the screws from the mode actuator.
  4. Remove the mode actuator from the HVAC module assembly (1).
  5. If equipped remove the heat stakes (1) from the HVAC module (2) with a screwdriver and a hammer.
    6. Fig 2: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  6. If equipped remove the HVAC module assembly screws.
  7. Separate the HVAC module assembly.
  8. Remove the lever (7) from the upper mode door/upper HVAC module case (6).
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