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How can I remove cooked on brake dust?

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Old Jul 21, 2009 | 09:34 PM
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Murray Woo's Avatar
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2008 C350
How can I remove cooked on brake dust?

I have one of those 2008 C350 with the rear brake dust problem. Changed the brake pads, and I don't have the rear brake dust problem anymore. But the original brake dust that was left on the rear wheels (I admit I didn't clean the wheels frequently since they got dirty right away) refuses to come off. They are really baked-on, I've never seen anything like this. Claying, using Goo-Gone...don't work. Conventional cleaners don't make a dent. Must be some kind of chemical composition or something from those original brake pads. Any ideas? I have tons of brake dust specs all over the wheels that I can't get rid of. Major eyesore.
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Old Jul 21, 2009 | 09:44 PM
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2008 C300 Sport 6 Speed Manual, 1953 Chevy Bel-Air, 2015 Audi allroad, 1963 Chevy Apache
OK, this may seem obvious but you didn't specifically mention it....did you try wheel/rim cleaner? It usually melts the brake dust right off so I can't imagine the grime being so tough they wouldn't work.
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Old Jul 21, 2009 | 10:13 PM
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Neglect

Originally Posted by Murray Woo
I have one of those 2008 C350 with the rear brake dust problem. Changed the brake pads, and I don't have the rear brake dust problem anymore. But the original brake dust that was left on the rear wheels (I admit I didn't clean the wheels frequently since they got dirty right away) refuses to come off. They are really baked-on, I've never seen anything like this. Claying, using Goo-Gone...don't work. Conventional cleaners don't make a dent. Must be some kind of chemical composition or something from those original brake pads. Any ideas? I have tons of brake dust specs all over the wheels that I can't get rid of. Major eyesore.
Do not buy any generic wheel cleaner since you could damage the finish if you haven't already.

Your best bet is P21S Gel which is approved by all German car manufacturers and wheel makers.
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Old Jul 21, 2009 | 10:13 PM
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Another round of ICE
Adam's Green Wheel Cleaner
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Old Jul 21, 2009 | 10:32 PM
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p21s gel is your best bet, let it soak for a long period of time.
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Old Jul 22, 2009 | 08:14 AM
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Adams and P21S are both excellent choices. I find that stubborn stains will come out over time and repeated washings.
RickP
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Old Jul 22, 2009 | 08:41 AM
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Once you get them all cleaned up, be sure to put a coating or two of a good quality wheel wax.
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Old Jul 22, 2009 | 12:35 PM
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Originally Posted by C300Sport
Once you get them all cleaned up, be sure to put a coating or two of a good quality wheel wax.
+1

And then clean at least once a week, if possible. It makes cleaning them a lot easier.
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Old Jul 22, 2009 | 01:02 PM
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Got it. I doubt this will happen again since the new pads are different ones.
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