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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 995 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement (W/O D07) >> 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.
    Fig 1: View Of Mode Actuator
    GM375683Courtesy of GENERAL MOTORS CORP.
  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.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the mode actuator mounting screws to the HVAC module.

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

    3. Fig 2: Identifying Electrical Connectors
    GM372310Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connection at the mode actuator (10).
  4. Install the Body Control Module. Refer to Body Control Module Replacement in Body Control System.
  5. Install the floor air outlet duct extension (1) to the floor air duct (2).
    Fig 3: View Of Floor Air Outlet Duct Extension To Floor Air Duct
    GM363014Courtesy of GENERAL MOTORS CORP.
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