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Loud clunking noise in front end over bumps
we have a 2006 cobalt ls, 45,000 miles. when going over bumps in the road and expecially down rocky drive it is makeing very loud clunking noises. Sounds like coming from both sides in front. Both tires are new and balanced, they were removed and everything is tight. Swaybar links have been replaced and seem tight. Any help?
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colbalt has a known problem with the intermediate shaft on steering column to the rack wears out there is also a ton of info online about the front end problem also check and make sure your cradle bolts are tight also check if your vehicle is or was in the recall [ elect power steering unit ]
I have 06 daytona with same problem clunking noise front passinger side Master Mechanic's checked steering and suspension components could not find the source. Problem is that sometimes noise stops then comes back. I will try to find the source myself tomorrow let you know what I find.
I've had the struts done 2 times all ready in my 2006 cobalt as well as power strering now i've had to have a valve repaced i've had nothing but problmes with this car since I got it
shocks my be going bad push up and down hard on top of the car over each front wheel and let go..it should not bounce up and down more than once. if it does shocks are bad.
can be anything if noise while driving cv joint-hub [wheel bearings] exhaust hanger broke -transmission- brakes-if while idling[engine knock] rod-pistion
The intermediate steering shaft loses lubrication and develops a clunk - this is an engineering deficiency in many GM products dating back to the early 90s.
and/or
The electrically assisted steering column actually has plastic gears in it which wear down quickly, get sloppy and cause clunking through the steering wheel.
If your car is out of warranty, this will be expensive.
GM knows about both of these issues, and continues to engineer these problems into their products.
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