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.
2001 silverado blend door actuator repair.
Causes of a bad blend door actuator.
The mode actuator is on passenger side.
There is a replacement mode or blend actuator available at most auto parts stores dorman part 604 107 price 39 99.
I have now gotten heat broiling glorious blistering lava.
Remove the mode actuator as an assembly with the actuator cam.
Check out the diagrams below.
Remove the mode actuator mounting screws from the hvac module.
An actuator can go bad in of two ways.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
If the plastic gear breaks this might affect the blend door.
In this video i locate and replac.
I have a 2001 chevy tahoe where the defrost selector in the dash doesn t work it only blows how air out the front vents.
Move the seat back as far as you can helps to get in there.
Nov 01 2014 1 28am.
The blend door actuator is located in the center of the core box up under the dash.
But try pulling fuse first for hvac sometimes it resets the actuators.
7h estimate with the truck gone for 2 days to remove the dash disconnect the.
The mode door actuator is on the left and the resirc door actuator is at the top of the dash near the windshield.
As mentioned earlier a blend door actuator is linked to the air control door it rotates side by side with the electronic motor.