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| Ultraman | LS1 Piston Slap..... | ||
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My C5 is making noises in the engine bay when I first start it up. I have deduced that it is piston slap. It goes away when the engine warms up. I did some research on it but never did come to any conclusions. I am not worried about it only curious what causes it. What info does the Guru have?
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Posted on: 2011/7/28 15:40
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| BillH | Re: LS1 Piston Slap..... | ||
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The Stig Moderator
 
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Pistons are oval shaped when cold, round when hot.
Why do you think it's slap? Just curious. |
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Posted on: 2011/7/28 16:05
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| bogus | Re: LS1 Piston Slap..... | ||
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Grand Imperial Pooh-Bah
 
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There was a period of time in there when the LS1 had a very bad piston slap problem.
http://www.pistonslap.com/ Work through all the hyperbole and somewhere in there lies the truth to the problem. |
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Posted on: 2011/7/28 16:21
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| Ultraman | Re: LS1 Piston Slap..... | ||
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Quote:
I have a 99 5.3 pickup that does the same thing. It does go away after engine warms and there is no other problems with the car. I read some other stuff online but you think by now they would have it nailed down. |
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Posted on: 2011/7/28 18:35
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| BrianCunningham | Re: LS1 Piston Slap..... | ||
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Senior Guru
 
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I know there was a recall on the LS6, haven't heard anything on the LS1's
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Posted on: 2011/7/28 18:56
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