My 2007 cobalt began clattering upon going over even the least of bumps or potholes, even at low speeds. I took it to the dealer, and it was diagnosed as having the left control arm end come out of its bushing. It will cost approximately $190.00 to fix, but would be covered under warranty, minus my deductible ($200.00).
2007 Chevrolet Cobalt suspension complaints
Page 4 of 4: complaints 71 to 75 of 75, newest first, as owners wrote them.
Brakes done twice in a year struts going bad and fan motor squeaking gas tank sensor replaced need new tires. First time brakes were sanded down then put back on. Second time they were replaced.
Not long after I bought my 2007 chevrolet cobalt (on labor day 2006), I noticed that occasionally there's a noise in the rear of the car which sounds like someone is knocking on the trunk. I took car to dealer and they could not duplicate the situation so they said there was nothing they could do about it. I've had numerous people in my car hear this noise and ask me what it is.
2007 2 dr chevy cobalt = - 40,000 miles ( highway ) at 37,000 miles I had the left front control arm bushing fail, at 39,000 I had the right one fail I had the left control arm replaced and I am having the right one replaced today by my brother -in-law out of a trans shop in allen park dealer says there are no issues ( service bull ) with the control arm bushing and it would not be covered by warranty ( I have contacted the dealer on both failures, as well as the customer service people ). Being in the industry, I have contacted people in the industry and verify that there was problem with the bushing in the prototype phase and early production bushing should not just come out of there casing.
The lower ball joint came completely detached from the front passenger wheel assembly. The bolt and nut that locks the ball joint to the wheel assembly was gone. I do not know if the bolt and nut loosened and fell out or if the bolt and nut were never installed. I suspect that the bolt and nut assembly were not torqued correctly at the factory. My daughter was driving the car down the driveway. The right front tire turned 90 degrees and wedged against the back of the wheel well . The right front drive axle disconnected from the transmission. Consequences would have been severe if this occurred at highway speeds. The lower ball joint stem was reinserted into the wheel assembly. I am currently searching for a replacement bolt and nut.
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