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Suburban makes popping noise after shut off [Expired Topic]

1793 Views 0 Replies 1 Participant Last post by  brodiedehass
My 2002 Chevrolet Suburban 1500 4x4 LT AUTORIDE makes a loud popping noise from time to time when the vehicle is shut off. I always thought it was either the gas tank or exhaust because it sounds like sheetmetal. Does anyone know what this sound is really coming from? Thanks Brodie
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