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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 843 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement (W/ D07) >> Installation Procedure

Installation Procedure

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  1. Install the mode actuator as an assembly with the actuator cam.
    • Line up the heater/defroster valve lever with the mode actuator cam slot.
    • Line up the A/C valve lever with the mode actuator cam.
    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).

    Fig 1: Installing Mode Actuator Mounting Screws To HVAC Module
    G01454836Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connection at the mode actuator (10).
    Fig 2: Connecting Electrical Connection To Mode Actuator
    G01454837Courtesy of GENERAL MOTORS CORP.
  4. Install the center console duct.
  5. Install the screws to the center console duct.

    Tighten 

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

  6. Install the center console. Refer to CONSOLE REPLACEMENT (WITH CONSOLE MOUNTING BRACKET) or CONSOLE REPLACEMENT (W/O CONSOLE MOUNTING BRACKET) in INSTRUMENT PANEL, GAGES, AND CONSOLE .
  7. Install the floor air outlet duct extension (1) to the floor air duct (2).
    Fig 3: Installing Floor Air Outlet Duct Extension To Floor Duct
    G01454838Courtesy of GENERAL MOTORS CORP.