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Removal Procedure

WARNING: This page is about a different car, the 2006 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying LH Air Temperature Actuator & Components
    GM1224374Courtesy of GENERAL MOTORS CORP.
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Disconnect the left-hand (LH) air temperature actuator electrical connector.
  3. Remove the LH actuator retaining screws.
  4. Remove the LH actuator.
    5. Fig 2: Mode Actuator Electrical Connector & Components
    GM1224325Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the mode actuator electrical connector.
  6. Disconnect the right-hand (RH) air temperature actuator electrical connector.
  7. Remove the actuator support bracket retaining screws.
  8. Remove the actuator support bracket and actuators.
    NOTE: Do not remove the TORX screws from the mode valve assembly. Misalignment can cause damage to the film valve.
    9. Fig 3: Identifying Mode Valve Assembly Retaining Screws
    GM1224372Courtesy of GENERAL MOTORS CORP.
  9. Remove the mode valve assembly retaining screws.
    10. Fig 4: Identifying Heater Core Cover Wire Harness Retainer & HVAC Module Wiring Harness Retainer Pin
    GM1226250Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the HVAC module wiring harness retainer pin (1) from the HVAC module.
  11. Disconnect the wiring harness from the heater core cover wire harness retainer (2) and reposition the wiring harness aside.
  12. Disconnect the discharge temperature management (DTM) sensor electrical connectors.
    13. Fig 5: Identifying Heater Cover Screws
    GM1224370Courtesy of GENERAL MOTORS CORP.
  13. Remove the heater core cover screws.
  14. Remove the heater core cover.
    15. Fig 6: Identifying Mode Valve Assembly
    GM1224371Courtesy of GENERAL MOTORS CORP.
  15. Remove the mode valve assembly.
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