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Installation Procedure

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM3825691Courtesy of GENERAL MOTORS COMPANY

    Mode Valve Lever (4) - Install

  2. Defroster Valve Lever (3) - Install
  3. Mode Control Cam (2) - Install
  4. Mode Control Cam (1) - Install
  5. GM3825687Courtesy of GENERAL MOTORS COMPANY

    Index the mode control valve cam (1) large male tooth to the mode control heater valve cam large female tooth (2) as indicated by the arrows.

  6. GM3825692Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Heater and Air Conditioning Mode Control Cam Cover (2) - Install

  7. Heater and Air Conditioning Mode Control Cam Cover Bolt (1) - Install [3x] 2.5 N.m (22 lb in)
  8. GM3825695Courtesy of GENERAL MOTORS COMPANY

    Mode Control Cam Actuator (2) - Install

  9. Mode Control Cam Actuator Bolt (1) - Install [2x] 2.5 N.m (22 lb in)
  10. Connect the electrical connector.
  11. Brake and Accelerator Pedal Assembly Replacement - Install
  12. Perform the actuator calibration procedure. Actuator Recalibration 
  13. Clear the DTCs from the heater and air conditioning remote control module.