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.
2004 chevy trailblazer blend door actuator location.
I have a 2006 chevy trailblazer that wont blow air form the upper vents blows from defrost and floor i was told it is a faulty blend door actuator or a mode door actuator.
Equip cars trucks suvs with 2004 chevrolet trailblazer a c heater blend door actuator from autozone.
Also read posts whe read more.
Air blend door does not rotate.
To replace the front you need to remove the lower sound insulator.
But which is it im comf read more.
Your 2009 chevy trailblazer has two mode door actuators one for the front and one for the rear.
I have already done a post on how to replace the faulty mode actuator but i did not have a good enough picture to identify all of the actuators on the driver s side of the dash.
Order chevrolet trailblazer a c heater blend door actuator online today.
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Read posts that indicated i needed a new blend door actuator.
Can only get hot air.
1998 chevy blazer 4x4 lt with automatic temp control.
An actuator can go bad in of two ways.
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First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
If what you mean is that the air comes out the defrost rather than the vents this may be a vacuum leak bad vacuum check valve or bad blend door actuator.
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To replace the rear you need to remove the center console.