Originally Posted By ARLady:
When I'm driving at highway speeds and I hit a bump, the steering wheel jerks really hard and if I'm not holding tightly enough, it would come out of my grip. I also think that there is less tension (can't think of a better word) when I turn the wheel. I don't think that I have to turn it farther than before to get the same result. It's not nearly as noticeable when I'm driving on surface streets.
It's a '01 Suburban and I've only had it for a couple of months.
Classic sign of a bad idler .arm..........Take it to a shop that specializes in frontend/alignment repair. SOON
should have read whole thread