I have been chasing some issues that turned out to be sensor issues. So I changed the angle sensor and now the reduction gear will not move( it turned freely before). On the flow chart in the repair manual there is a note about releasing the ball nut if it bottoms out on the shaft, but seems unclear about how to release it other than put a screw driver in to release it. Do I use a flat, Phillips, square screw driver? Do I turn the screw driver? Maybe hit it with a hammer? Can anyone clarify this procedure with me?