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    LMM: 911 need help

    Just a question have you changed out your serpentine belt with an aftermarket There is a GM service bulletin that basically says to check if owner has replaced the serpentine belt with an aftermarket , Some aftermarket belts have a compound in them that makes them prone to slippage thus...
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    LMM: Has anyone seen this before

    There is a GM service bulletin that basically says to check if owner has replaced the serpentine belt with an aftermarket, Some aftermarket belts have a compound in them that makes them prone to slippage thus generating static electricity. According to the bulletin it usually causes problems...
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    GM Trouble Codes - Master List:

    Wow that helps alot..goo dinfo to have.