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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 >> Installation Procedure

Installation 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: Exploded View Of HVAC Module Assembly
    GM962571Courtesy of GENERAL MOTORS CORP.
  1. Install the defroster door (8).
  2. Install the mode actuator cam assembly.
  3. Install the mode actuator.
    4. NOTE: Refer to Fastener Notice .
  4. Install the mode actuator screws.

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

  5. Install the HVAC module assembly halves.
    6. IMPORTANT: For every heat stake removed ensure that you install a screw.
  6. Install the screws to the HVAC module assembly.

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

  7. Install the instrument panel. Refer to Instrument Panel Service Positioning (Without SLT) or Instrument Panel Service Positioning (With SLT) .
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