How do I know if my heat actuator is bad?
How do I know if my heat actuator is bad? When you start the car, or just the AC system, and notice a knocking sound like someone tapping on your door, that is indicative of a problem with the blend door actuator. Inconsistent Airflow: If the blend door is moving back and forth, then the airflow will be diverted incorrectly or maintained incorrectly. Where is the a / C recirculation door actuator located? The recirc door actuator is on the top of the A/C module just above the blower motor on the passenger side of the truck. On mine you...