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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Defroster Door Replacement (Delphi) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the defroster door (8).
  2. Install the mode actuator cam assembly.
  3. Install the mode actuator.
    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.
    Fig 1: Install Defroster Door
    G01479145Courtesy of GENERAL MOTORS CORP.
    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 HVAC module assembly. Refer to HVAC Module Assembly Replacement .
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