First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
1997 ford explorer blend door replacement.
Air blend door repair 98 ford explorer.
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.
Reinstall the plastic cutout with duct tape hvac flashing tape plastic repair epoxy or whatever you like.
Remove and replace the door.
I used duct tape.
If your ac or heat is stuck on and the ble.
The round protrusion is the blend door hinge post.
An actuator can go bad in of two ways.
This video will explain how to access and repair the heat ac blend door on a ford explorer or mercury mountaineer.