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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Mode Door Replacement - Upper (Delphi) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The upper mode door (6) is serviced with the upper HVAC module case (3).
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Disconnect the electrical connector (3) from the mode actuator (4).
  3. Remove the screws from the mode actuator (4).
  4. Remove the mode actuator (4) from the HVAC module assembly (1).
  5. If equipped remove the heat stakes (1) from the HVAC module (2) with a screw driver and a hammer.
  6. If equipped remove the HVAC module assembly screws.
    Fig 1: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  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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