you could try to take it apart. if you want take pics of it as you do it there is a centering gear in there and a real small gear on the motor my bros was doing that and it was the gear on the motor slippin super glue it on but dont go crasy with it DONT GET IT IN THE MOTOR. make sure the centering gear is where it stopps spinning you will understand when you get it apart. I cant explan real well.... sorry hope you get it fix man