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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Recirculation Door Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Recirculation Door And Recirculation Housing (Visteon)
    GM826726Courtesy of GENERAL MOTORS CORP.
  1. Install the recirculation door (1) to the recirculation housing (2).
    2. Fig 2: View Of Recirculation Actuator & Recirculation Housing
    GM826725Courtesy of GENERAL MOTORS CORP.
  2. Install the recirculation actuator (1) to the recirculation housing (2).
    3. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the screws to the recirculation actuator (1).

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

  4. Connect the electrical connection to the recirculation actuator (1).
    5. Fig 3: View Of Upper Recirculation Housing And HVAC Module Assembly
    GM826727Courtesy of GENERAL MOTORS CORP.
  5. Install the upper recirculation housing (1) to the HVAC module assembly (2).
  6. Install the screws to the upper recirculation housing (1).

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

  7. Install the wiring harness to the recirculation housing (1).
  8. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
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