Hvac Heater Blend Door Actuator Function

A blend door is mounted within the heating and air conditioning system and pivots to divert warm or cool air into different passages within the system to keep the passenger area at the desired temperature.

Hvac heater blend door actuator function.

Also called hvac actuators these small electric motors control the flow and blend of hot and cold air to the passenger areas by opening and closing the vent doors that let the air through. The electric motor that powers the actuator controls the flow and blend of hot and cold air within the cabin by opening and closing the vent doors that let the air through. The ac actuator is located underneath the dashboard attached to air distribution doors in the hvac box. Want to keep your vehicle performing reliably.

Doors can control warm air cold air blending recirculated fresh air control or dual zone splitting. When a car is cold the driver might want to maximize the heat to come in a passenger area. In this video i explain how to replace the a c blend door actuator. As the temperature lever is changed the internal potentiometer inside the hvac control head sends the appropriate voltage to the actuator now the potentiometer in the actuator compares its internal circuit voltage to the signal from the control head and when the two match the circuit voltage is turned off to the motor.

In general the blend door is built within the pivots and air as well as heating conditioning system to divert cool or warm air to different directions inside the system to keep the temperature in passenger compartment at the needed amount. They are manufactured from superior quality materials and feature solid construction to ensure exceptional durability and wear resistance. A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit. Then premium gpd aftermarket auto parts are right up your alley.

An hvac heater blend door actuator is what moves the blend door to divert warm or cool air into differ ent passages within the hvac system and keep the passenger cabin at the desired temperature. If your car or truck passengers don t seem to be getting all the benefits of your vehicle s heating or a c system you could have a non working a c heater blend door actuator. Hvac heater blend door actuator by gpd. And what causes them to mess up.