preppycowboy06 |
December 3rd, 2007 11:58 PM |
humming sound between 20 and 60 mph
i got a 2002 gmc serria 5.3 z71 auto i get a humming sound between 20 and 60 only when im not on the gas just riding or with the cruse on i cant tell where its comming from it sounds like the rear end but im not sure does anyone know whats going on? i chanded the trans and t case fulid i havent done the front or rear end yet some one told me it was probley the locker but it works fine so i dont see where it would be bad?
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