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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1550 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Defroster Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 HVAC module. Refer to Air Conditioning and Heater Module Assembly Removal and Installation .
  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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