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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> HVAC Module Case Replacement - Auxiliary >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Auxiliary HVAC System Components
    GM819795Courtesy of GENERAL MOTORS CORP.
  1. Transfer the air temperature door (14) to the HVAC module-auxiliary case half (2).
  2. Transfer the mode door (15) to the HVAC module-auxiliary case half (2).
  3. Assemble the HVAC module-auxiliary case halves (2,13).
    4. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install all of the screws to the HVAC module-auxiliary.

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

  5. Install the mode actuator-auxiliary.
  6. Install the mode actuator-auxiliary screws.

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

  7. Install the air temperature actuator-auxiliary.
  8. Install the air temperature actuator-auxiliary screws.

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

  9. Install the evaporator core-auxiliary. Refer to Evaporator Core Replacement - Auxiliary .
  10. Install the blower motor-auxiliary.
  11. Install the blower motor-auxiliary screws.

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

  12. Install the HVAC module-auxiliary. Refer to HVAC Module Replacement - Auxiliary .
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