GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The passenger side air mix actuator is located on the lower, RH side of the HVAC module. The actuator is below and forward of the heater core.

  1. Remove the RF floor air outlet.

  2. Object Number: 153306  Size: MH
  3. Remove the passenger side air mix actuator cover screws.
  4. Remove the passenger side air mix actuator cover (1).
  5. Disconnect the passenger side air mix actuator electrical connector (3).
  6. Remove the passenger side air mix actuator screws (2).
  7. Remove the linkage (from the passenger side air mix actuator.
  8. Remove the passenger side air mix actuator.

Installation Procedure


    Object Number: 153306  Size: MH
  1. Install the passenger side air mix actuator.
  2. Install the linkage (2) to the passenger side air mix actuator.
  3. Install the passenger side air mix actuator screws until fully seated and not stripped.
  4. Connect the passenger side air mix actuator electrical connector (3).
  5. Install the passenger side air mix actuator cover (1).
  6. Install the passenger side air mix actuator cover screws until fully seated and not stripped.
  7. Install the RF floor air outlet.
  8. Synchronize the actuators:
  9. • Turn the ignition switch to the ON position.
    • Simultaneously press and hold the AUTO and OFF buttons on the H-A/C control panel for at least 5 seconds.