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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (HVAC Systems - General Servicing) >> Repair Instructions >> HVAC Module Case Replacement - Auxiliary >> Installation Procedure
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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: Locating Auxiliary HVAC Module 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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