I have a 2005 Cobalt with only 67,000 miles on it. Since 40,000 miles there has been a horrible clunking in the front and rear suspension as well as a rattle from the steering column. I have taken it to a GM dealer and told to replace the struts, which I did with an independent shop, as well as sway bar links and bushings. This did not help anything and since then it has gotten significantly worse. Today, I replaced the lower control arms and that didn't help either. The moral of the story is this shouldn't happen on a car with lower miles.
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