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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1482 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> HVAC Module Case Replacement - Auxiliary >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, 2003 Chevrolet TrailBlazer, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    Fig 1: Removing Mode Door And Air Temperature Door From HVAC Module-Auxiliary Case Half
    G01596682Courtesy of GENERAL MOTORS CORP.
  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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