What Is a Blend Door Actuator & How Do You Know If It Needs Replacement?
Here’s what a blend door actuator is. Key Highlights: What Is a Blend Door Actuator in a Car? A blend door actuator is a tiny electric motor that moves a set of doors inside your HVAC (heating, ventilation, and air conditioning) system. These doors direct airflow across either the heater core, the AC evaporator, or both—deciding whether […]