Auxiliary Temperature Actuator: Removal
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Remove the left rear quarter trim panel. Disconnect the electrical connector from the actuator. Remove the retaining screws from the actuator. See Figure. Remove the air temperature actuator from the vehicle.