I have a 1997 Bonneville. A few months ago, I slid into a snow bank hard
enough to break a piece of my right front wheel. After that (and after I
replaced the wheel), the car seems to ride rough - not in terms of
suspension, but I feel a high-frequency vibration (it reminds me of when a
stick is caught under an ATV and rubbing against the wheel). It doesn't seem
to change much with speed, but turning back and forth from one side of the
lane to the other seems to affect it.
I had the front end aligned. My mechanic took it for a road test, and said
the only thing he could find was that the right front wheel bearing was a
bit noisy and probably starting to go. He said it didn't move at all, so
there was no real hurry to replace it.
Could a bad wheel bearing be causing the rough ride? It's starting to get
worse, and I'm not in a financial position to replace it only to find out
that it didn't fix the problem.