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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 844 (HVAC Systems - Manual) >> Repair Instructions >> Mode Actuator Replacement (W/O 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 screw to the HVAC module.

    Tighten 

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

    Fig 1: Installing Mode Actuator Mounting Screws To HVAC Module
    G01454632Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connection at the mode actuator (10).
    Fig 2: Connecting Electrical Connection At Mode Actuator
    G01454633Courtesy of GENERAL MOTORS CORP.
  4. 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
    G01454634Courtesy of GENERAL MOTORS CORP.