engine knocking - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
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post #1 of 4 (permalink) Old 12-25-2009, 12:07 PM Thread Starter
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engine knocking

hey i have an 06 ss/sc and when i first start it up it has a real bad knock coming from the motor sounds like a valve tap but once it runs for a min or two it gets quieter till it goes away just changed the oil when i first bought it a month ago car only has 36k and like 500 mile on this oil change anyone had tjiis problem or know what it is/ how to fix it? any suggestion would be greatly appreciated
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post #2 of 4 (permalink) Old 12-26-2009, 09:39 AM
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I had kind of the same issue. When I took it in to the dealer, they said the SC was jacked up. The rotors inside were hitting or something. They just put a new one on there, and it went away

2007 SS/SC
O T T P TVS Stage 3 w/ 2.9" & 80# inj., ZZP 3" CAI, ZZP Stainless Mid-Length Header w/ 3" Catted DP, ZZP Stainless 3" Magnaflow Cat-Back, O T T P Heat Exchanger, Opt B, TTR Upper Engine Mount
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post #3 of 4 (permalink) Old 12-27-2009, 08:07 AM
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I have the same problem ever since the fist oil change. I checked the oil, and it was fine. I took it back to the dealers and they told me that was normal. Not normal to me but it’s been 2 1/2 years with no problems.

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post #4 of 4 (permalink) Old 01-08-2010, 08:17 AM
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Seems very interesting and also blue is my favorite color. I must go for this.
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