The actuator moves the blend door in your silverado s heating and air system to achieve the proper mix of hot and cold air.
2003 silverado blend door actuator.
2003 chevrolet silverado 1500 a c heater blend door actuator.
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If your silverado only provides very cold air or very hot air from the vents there may be a problem with the blend door or the blend door actuator.
Dorman dorman a c heater blend door actuator 604 120.
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.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
The blend door is controlled by a small electric motor called the blend door actuator.
To see which blend door is t.
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In this video we show how to replace the blend door actuator that controls the heat and cold in a 1999 2007 chevrolet silverado.
Equip cars trucks suvs with 2003 chevrolet silverado 2500 hd a c heater blend door actuator from autozone.
An actuator can go bad in of two ways.
Heater blend door actuator connector.