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Old 04-09-2007, 12:52 PM
Heeb Heeb is offline
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Gas Tank Pings

Does anyone know what could cause the gas tank to expand and/or contract and make a loud PING sound? I tried replacing the gas cap, but it didn't matter. My truck 2000 Sierra sounds like a big can of Coleman fuel.
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Old 04-15-2007, 07:09 AM
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Regalwhiskey Regalwhiskey is offline
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Re: Gas Tank Pings

It might be the heat shield strapped to the tank. My 01 has a composite style tank and not metal.
P.S. Coleman fuel is NOT unleaded.Don't use it even if it is cheaper at walmart!!
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