Question about 2001 Oldsmobile Bravada

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When excellerating I get a high pitched humming noise. Release accellerator and the humming stops. I have had the transmission fluid change along with the filter yesterday. The mechanic said the fluid was good and there were hardly any shavings in it at all. Just normal shavings.

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Might be a vaccum leak in the engine.

Posted on Oct 06, 2010

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