Hi, Troy; An alignment will do nothing for the vibration, but should be done, anyway. It is 'possible' that a wheel weight was knocked off during the accident? I think that would be my first check. I would think that a broken belt in the tire would show up at lower speeds as well, but be sure to check for that, also.
I've never run into it myself, but have heard that a sloppy tie rod (inner or outer) can cause that symptom.
My mother's fiance gave me his old '03 Mercury Sable. It had been in a minor accident recently, sustained some body damage on the front passenger side, right at the headlight just before the wheel well and threw the alignment out of whack, that's about it (from what I've looked at) The frame is fine. Here's my problem... Past 55-60mph it starts to vibrate. Not the pedal or the steering wheel, just the front passenger side of the car. To put it in perspective, it feels almost like it would with a rotor with excessive runout (minus the brake pulsations) I put it on a jack and took the wheel off, aside from normal wear patterns on the rotor and tire treads, I found nothing out of the ordinary. I'm curious if this is just a byproduct of a bad alignment (which I'm getting fixed soon anyway) or might be something more? I'm taking it to a friend's shop to put it in the air and look at it myself, but that's 2 weeks from now. I'm curious if anyone here has encountered a similar issue and can give some insight into what I'm looking FOR? Even if no one has a definite answer, having multiple minds towards a problem can narrow down where to look first. If you have any ideas feel free to email me at Nonagtar7@gmail.com