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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1652 (HVAC SYSTEMS - TROUBLESHOOTING)REPAIR INSTRUCTIONSHVAC MODULE CASE REPLACEMENT - AUXILIARYREMOVAL PROCEDURE
2004 Oldsmobile Bravada RWD

Removal Procedure

2004 Oldsmobile Bravada RWDSECTION Removal 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. Remove the HVAC module-auxiliary. Refer to HVAC Module Replacement - Auxiliary .
  2. Remove the screws from the blower motor-auxiliary.
  3. Remove the blower motor-auxiliary.
  4. Disconnect the electrical connectors.
  5. Remove the evaporator core-auxiliary. Refer to Evaporator Core Replacement - Auxiliary .
  6. Remove the screws from the air temperature actuator-auxiliary.
  7. Remove the air temperature actuator-auxiliary.
  8. Disconnect the electrical connector.
  9. Remove the screws from the mode actuator-auxiliary.
  10. Remove the mode actuator-auxiliary.
  11. Disconnect the electrical connector.
  12. Remove all of the screws from the HVAC module-auxiliary.
  13. Separate the HVAC module-auxiliary case halves (2,13).
  14. Remove the mode door (15) from the HVAC module-auxiliary case half (2).
  15. Remove the air temperature door (14) from the HVAC module-auxiliary case half (2).
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.