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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 >> Installation Procedure

Installation 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.
    Fig 1: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  1. Install the lever (7) to the upper mode door/upper HVAC module case (6).
  2. Install the HVAC module assembly halves.
    3. CAUTION: Refer to Fastener Caution .
    NOTE: 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. Refer to Air Conditioning and Heater Module Assembly Replacement .
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