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Old 11-11-2007, 02:45 PM   #1 (permalink)
GTOsarge
 
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Join Date: Oct 2007
Location: North Georgia
Posts: 150
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knocking/tapping sound?

Hello all. I've had my 06 for about a month now. It has 10,500 miles. Noticed when I accelerate normally with the windows down I hear a light knocking/tapping sound at about 1500 rpm. At first I thought it was an exhaust leak. This happens when it's hot or cold. I don't have any performance issues. Runs great. Got home today and pulled it on the ramps
so I could pinpoint the noise. It's coming from the engine area underneath. I've heard about the LSX piston slap but this still goes on after the car is warmed up. As much as I hate to I'm thinking about takibg it to the dealer
to get it documented. Anyone suggestions would be appreciated.
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