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Knocking in passenger front wheel well 2005 ls
The 2 most common problems for a front end clunk on our cobalts are rear control arm bushings and sway bar end links. The next common 2 are sway bar bushings and strut mounts. All of which are cheap and easy to do with a little mechanical inclination. Also, if one side is doing it, the other is...- 06cobaltt
- Post #3
- Forum: LS, LT, LTZ
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Misfire in Cylinder 4
You need to get a leak down test done on the cylinder head. The ecotechs love to burn valves. I had the same thing happen to me and it was a burnt exhaust valve in cylinder #4. Ended up pulling the head off and having it rebuilt. When I put it back together I also installed a new timing chain...- 06cobaltt
- Post #2
- Forum: LS, LT, LTZ
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Purge Valve Solenoid Help!!!!!
Glad to hear you got it sorted out. Too bad it was the more expensive repair of the two but sometimes that's how it goes. Reset the codes and you should be good to go.- 06cobaltt
- Post #5
- Forum: General Discussion
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Rebuilt head issue
Odd is right.. I will give that a shot. Fuel pump is new as well with good rail pressure..- 06cobaltt
- Post #3
- Forum: General Discussion
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Purge Valve Solenoid Help!!!!!
Had two cobalts come into the shop with the exact same symptoms. New purge valves for both. Fixed one of them but the other ended up being a cracked fitting on the fuel pump. My fiancé and I have a 06 cobalt that had the same fuel pump problem. I could physically crawl under the car and stick my...- 06cobaltt
- Post #3
- Forum: General Discussion
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The Famous Timing Belt
I did this whole thing about a month ago. Aligning the marks was a bear. Make sure the unique colored link is on the intake sprocket. I had to turn the intake cam gear and put slight pressure on the springs to get it to all align. With all the guides in I didn't have a lot of slack. Certainly...- 06cobaltt
- Post #10
- Forum: General Discussion
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Rebuilt head issue
Hey everyone, new to the forum but not to the problematic cobalts. Here's what I have going on: had a WARM idle miss on #4. Ran perfect off idle. Did a leakdown and it ended up being a burnt exhaust valve. I tore it down and sent the head out to be rebuilt and put it all back together...- 06cobaltt
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- Replies: 2
- Forum: General Discussion
