An actuator can go bad in of two ways.
Test blend door actuator motor.
The controller provides and voltage to the blend door motor and.
The test procedures are below give me few moments to upload the rest of the information.
Diagnose and fix a blend door actuator.
Disconnect electrical connector c2044 from remote climate control module.
Bevel engineering blend door actuator replaces oe 89018365 604 106 52402588 fits 1994 2012 chevrolet chevy gmc silverado 1500 2500 tahoe sierra hvac air blend control motor heater blend.
The blend door actuator is controlled by the hvac controller.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
It opens and closes the blend door to provide the requested air temperature.
The blend door actuator in a late model ford heater is an electric motor with position feedback.