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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 >> Removal Procedure

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).
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