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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) >> Installation Procedure

Installation 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.
  1. Install the lever (7) to the upper mode door/upper HVAC module case (6).
    Fig 1: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  2. Install the HVAC module assembly halves.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: For every heat stake removed ensure that you install a screw.
  3. Install the screws to the HVAC module assembly.

    Tighten:  Tighten the screws to 1.6 N.m (14 lb in).

  4. Install the mode actuator to the HVAC module assembly.
  5. Install the screws to the mode actuator.

    Tighten:  Tighten the screws to 1.6 N.m (14 lb in).

  6. Connect the electrical connector to the mode actuator.
  7. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
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