I just started having steering problems. The steering wheel jerks hard while driving down the road and it feels like the steering is going out and I am going to loose control. When I come to a complete stop and let go of the wheel it starts shaking all by itself. It seems to only happen when I am driving it. I have taken it to a shop 2 times and both times they say there is nothing wrong. I am not imagining it and I am scared to death to put my kids in the car. Has this happened to anyone else and what did you do?