Engine makes a metal type ping ??? only does it sometimes - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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Engine makes a metal type ping ??? only does it sometimes

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Old 10-30-2006, 07:05 PM
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Default Engine makes a metal type ping ??? only does it sometimes

sometimes when its been run for a while and you let it sit idiling you can hear a ting,ting,ting metal like sound like its coming from the exhaust shield or something. Its too tinney sounding to be a lifter and its not consistant either it comes and goes any ideas
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Old 10-30-2006, 07:53 PM
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When its doing it, get under the car and try to locate it. The ting ting ting could be the heat shield vibrating when warm. Get back to us.
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Old 10-30-2006, 08:54 PM
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it sounds like itscomming from the top side of the motor on the tranny side. if you rev it up a few ties its gone again ? Sounds like a metal ticking like filcking a screwdriver against tin but it skips a beat too ??
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Old 10-31-2006, 05:32 PM
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is the load levers pump in this area and would this make a tinney type noise
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Old 10-31-2006, 05:34 PM
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ELC pump should be in the trunk area.
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Old 11-01-2006, 09:36 AM
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Hummm Well ill keep thinking
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Old 11-01-2006, 10:26 AM
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You may find a loose exhaust heat shield ... that'* my first guess.

Not much info to go on.
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Old 11-01-2006, 06:58 PM
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I'll try to find it when it does it again, thanks !
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