IM GLAD TO SEE IM NOT THE ONLY ONE WITH BRAKE ROTOR PROBLEMS, I HAVE 7,500 MILES ON MY HHR, I ALSO WOULD HIT THE BRAKE AND THE STEERING WHEEL WOULD SHAKE THE WHOLE CAR. THE DEALER TURNED THE ROTOR, IT STOPPED BUT WHAT I HAVE READ IT WILL START AGAIN. I WAS TOLD IT WAS FROM ...