what would cause a roaring noise no matter what type ofroad I'm on and also what causes soot like substance to collect on the wheels
Sep 19, 2010 at 2:52 PM
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MMPRINCE4000
CERTIFIED EXPERT
8,548 POSTS
The soot is brake dust from pads, you could switch to a better pad like a ceramic.
The roaring noise could be a wheel bearing.
Raise car, put on stands and grasp wheel, push/pull both horizontally and vertically, any movement would indicate a bearing, bushing, tie rod, ball joint.