CHEVROLET BLEND DOOR ACTUATOR NOT WORKING

I Installed Several New Blend Door Actuators. They All Do The Same Thing When I Turn The Ignition On. They Spin And Go To One Side But Don...

The Drivers Side Hvac Actuator For The Heater Is Not Working

Blend Door On Heat/ac Will Only Turn One Way! I Put On New Actuator Because Large Gear Was Cracked! Are There Any Climate Control Things...