First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
Blend door actuator 2009 chevy silverado.
This article applies to the chevrolet silverado 1500 1996 2006.
Labor costs are estimated between 158 and 200 while parts are priced at 132.
The heater blend doors act as a gateway to the vehicle s ventilation system.
When heat is built up inside of the heater core the actuator door shifts to allow the hot air through the system and when the climate control is turned to cool the door flaps in the other direction closing off the heater core.
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An actuator can go bad in of two ways.
Took me about 1 hr.
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I looked all over and couldn t find a video so i just done what i thought would be the easiest and quickest way and made a video myself.
Air door actuator fits 1994 2012 chevrolet chevy gmc silverado 1500 and 2500 tahoe sierra hvac blend door control actuator heater blend door replace 89018365 604 106 52402588 4 3 out of 5 stars 13.
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.