Humming/whining Sound

By gm_02sierra
December 9, 2010 in 1999-2013 Silverado 1500 & Sierra 1500

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gm_02sierra

Posted December 9, 2010

Hey guys I have a question, I have a 2002 gmc sierra 1500hd and when I'm driving and reach 25-30 mph it starts to make a whiney humming sound but after I reach 30mph and above it seems to not be noticeable, I changed both front hubs thinking that may have been it but it didn't fix it and now I'm stumped. Any help would be greatly appreciated, thanks.

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