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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 911 (HVAC Systems - Manual) >> Repair Instructions >> Mode Actuator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the mode actuator. Ensure that the retaining tabs lock into place.
    Fig 1: Installing Actuator To HVAC Module
    G01467100Courtesy of GENERAL MOTORS CORP.
  2. Install the actuator rod (2) to the mode door lever (3).
  3. Install the actuator rod retaining clip (4).
  4. Connect the vacuum connectors (1) to the mode actuator (5).
    Fig 2: Connecting Vacuum Connectors To Mode Actuator
    G01467101Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the right side driver knee bolster bracket (2) to the steering column bracket (1) and the intermediate bracket (3).

    Tighten 

    Tighten the knee bolster bracket mounting nuts (5) to 5.5 N.m (49 lb in).

  6. Install the knee bolster. Refer to KNEE BOLSTER REPLACEMENT in Instrument Panel, Gages, and Console.
    Fig 3: Installing Right Side Driver Knee Bolster Bracket To Steering Column Bracket
    G01467102Courtesy of GENERAL MOTORS CORP.
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