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  1. CLOUD_9_06

    CLOUD_9_06 New Member

    I have a 2006 chevy tahoe lt just over 38000 mi. It has a humming from the diff between 40 and 55 mph anything lower or higher humming goes away local dealer checked and said oil was low the opened the diff to check for gear damage none found diff was cleand new oil put in was a little better but its back, any suggestions on what it could be. barrings maybe????

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