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 passenger side knee bolster. Disconnect the electrical connector from the air temperature actuator. Remove the air temperature actuator retaining screws from the temperature actuator. See Figure. Remove the temperature actuator from the HVAC module.