Quote:
Originally Posted by SulkierLizard
Hey guys, I have a 2000 Grand Prix Se 3.1L with around 143,000 miles on it. I just my wheels balanced, but my car will shake randomly when riding. It also makes a knocking sound sometimes (not a lot) whenever I accelerate. I have yet to get it aligned properly after installing a tie rod end. :/ Is it possible that it's out of align that is causing these problems or something more severe? Thanks guys!
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Don't know much about the 3.1L, but could be injector or coil pack. Does it throw any diagnostic codes? Doubt the tie rod end is the problem. If you got it set close to the old one, any deviation would most likely show up as uneven tire wear, not shake the car. However, I just had a speed sensor wire break ('01 GTP) on my pass side wheel bearing that caused violent shaking but the ABS and TRAC lites would come on. Replaced wheel bearing, problem gone. A severely out of balance wheel will shake the car (snow or mud packed into the wheel or lost rim weight) But a "random" event is probably not a tire balance problem.
I replaced my injectors, coil packs and plug wires around 100k. If you haven't done yours, you're due. Also could be one of the myriad sensors out of whack causing the computer to get confused. OBD scan is a good place to start.