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Generation III Internal Engine 1997-2006 LS1 | LS6
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Ls1 Engine Noise

   
Old May 31, 2017 | 06:01 PM
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Deniz A
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Default Ls1 Engine Noise
Cant figure out what sound is this not sounds like a lifter NA engine works really good not shaking or power loss maybe a exhaust leak.Car is 60k Km.
Waiting for answers

Regards
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Old May 31, 2017 | 06:57 PM
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sounds like a bearing in maybe the alternator??? or it could be a bad bearing in one of the pullies..


where is the sound concentrated at?
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Old May 31, 2017 | 07:00 PM
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Take your belts off and see if the noise stops. Sounds like an accessory drive issue of some kind to me.
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Old Jun 1, 2017 | 02:12 AM
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Problem solved Alternator bearing failure thanks for reply
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