make sure there are no severely worn components. ball joints and inner/outer tie rods as well as wheel bearings should be inspected by a well versed mechanic. Chances are its just the rotors, but dont just throw parts at it without checking everything thoroughly. Thats how we waste time, money, and energy. Good luck
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Quote; Stan Marsh from "Southpark", concerning his friends Cartman, Kyle, and Kenny obsessing over facebook:
"You guys are retarded, I'm playing XBOX."