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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 983 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Defroster Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Heat Stakes
    GM2008728Courtesy of GENERAL MOTORS CORP.
  1. Remove the instrument panel to the service position. Refer to Instrument Panel Service Positioning (Without SLT) or Instrument Panel Service Positioning (With SLT) .
  2. If equipped remove the heat stakes (1) from the HVAC module (2) with a screwdriver and a hammer.
    3. Fig 2: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  3. If equipped remove the HVAC module assembly screws.
  4. Separate the HVAC module assembly.
  5. Remove the mode actuator screws.
  6. Remove the mode actuator.
  7. Remove the mode actuator cam assembly.
  8. Remove the defroster door (8).
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