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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1448 (HVAC Systems - General Servicing) >> Repair Instructions >> Air Temperature Door Replacement >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Air Temperature Door
    GM735973Courtesy of GENERAL MOTORS CORP.
  1. Install the air temperature door (1) to the lower module half.
  2. Assemble the HVAC module case halves.
  3. Install the mode actuator.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the screws to the mode actuator.

    Tighten:  Tighten the screws to 1.9 N.m (17 lb in).

  5. Install the air temperature actuator.
  6. Install the screws to the air temperature actuator.

    Tighten:  Tighten the screws to 1.9 N.m (17 lb in).

    7. Fig 2: Evaporator Core
    GM741189Courtesy of GENERAL MOTORS CORP.
  7. Install the screws in order to assemble the HVAC module.

    Tighten:  Tighten the screws to 1.9 N.m (17 lb in).

  8. Install the HVAC module assembly (1). Refer to HVAC Module Assembly Replacement .
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