[jrolstin]

Nut and bolt your car. Get a wrench on every single steering/suspension fastener. Once you know those are tight then you can drive without worrying until you find the real culprit.

One of my rear bumper skin mount studs broke off, it was then welded to the car, but broke again. It rattles... check all of the bumper stays and make sure everything is tight underneath and let us know if you find anything.