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strange noise

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Old Sep 6, 2006 | 08:00 AM
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Default strange noise
i noticed my engine making a very loud tapping noise yeterday when i started
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Old Sep 6, 2006 | 08:02 AM
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it goes away after it warms up, did the same thing today,then went away when warmed up.noise comes from both sides of engine. any ideas?
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Old Sep 6, 2006 | 08:45 AM
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check oil
my firebird did the same, i drove it like i stole it, never had a problem. could be a loose tail light bulb, or not.
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Old Sep 6, 2006 | 10:30 AM
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how many miles on it? probably lifter tick.
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Old Sep 6, 2006 | 10:40 AM
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or the good 'ole chevy piston slap....
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Old Sep 6, 2006 | 10:40 AM
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90k on my 99 and it lifter ticks like a mother on startup....
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Old Sep 6, 2006 | 12:37 PM
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lifter r piston slap
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Old Sep 6, 2006 | 05:46 PM
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51k miles on it. any way to get it to go back to normal
Last edited by ss64impala; Sep 6, 2006 at 06:23 PM.
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Old Sep 6, 2006 | 06:42 PM
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yea, just leave it alone. Good ole GM piston Slap. Nearly all Gen III motors do it.
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Old Sep 6, 2006 | 07:38 PM
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try a thicker oil
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