An actuator can go bad in of two ways.
2003 gmc sierra blend door actuator.
We currently carry 8 air blend door actuator products to choose from for your 2003 gmc sierra 1500 and our inventory prices range from as little as 43 49 up to 193 37.
On top of low prices advance auto parts offers 4 different trusted brands of air blend door actuator products for the 2003 gmc sierra 1500.
The blend door on your gmc sierra sometimes called the vent door mixes the warm and cold air that is sent to the vents when you make adjustments to the cabin temperature control.
After some research i found out this blend door actuator was the cause.
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The blend door is controlled by a small electric motor called the blend door actuator usually located behind the dash in your sierra.
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Order gmc sierra 1500 a c heater blend door actuator online today.
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.
2003 gmc sierra 1500 a c heater blend door actuator 2003 gmc sierra 1500 a c heater blend door actuator this is a test 10 off 75.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.