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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1604 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement (W/O D07) >> 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 mode actuator as an assembly with the actuator cam.
    • Line up the heater/defroster lever with the mode actuator cam slot.
    • Line up the A/C lever with the mode actuator cam.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the mode actuator mounting screw to the HVAC module.

    Tighten 

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

    Fig 1: Remove Mode Actuator Mounting Screws & Mode Actuator
    G01479399Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connection at the mode actuator (10).
    Fig 2: Connect Electrical Connection At Mode Actuator
    G01479400Courtesy of GENERAL MOTORS CORP.
  4. Install the Body Control Module. Refer to BODY CONTROL MODULE REPLACEMENT .
  5. Install the floor air outlet duct extension (1) to the floor air duct (2).
    Fig 3: Install Floor Air Outlet Duct Extension To Floor Air Duct
    G01479401Courtesy of GENERAL MOTORS CORP.
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