how to clean brake dust off paint
Scrub the brake dust off the alloy wheels. 1  Next, grab a small hand brush. 2  The best brushes for this job are small, maneuverable automotive brushes with soft or medium-stiff bristles. 3  Don't use a stiff, harsh brush (like the steel-bristled kind you may use to clean your grill).ake a mixture of warm, soapy water. 1  For a cheap, easy brake dust cleaner, try mixing soap and warm water. 2  Squirt a teaspoon or so (about 20 milliliters) of dish detergent into a bucket and add warm water from the sink. 3  Briefly stir the mixture a few times with your hand or a stick before beginning.