Several years ago I saw a pair of shields that you put behind the wheel and in front of the disc brakes. The shield prevented the brake dust from getting to the wheel. Look like a great idea, but I did not worry about brake dust on my truck at the time. I saw them at PEP boys.
brb
Ok did a search on "Disc Brake shields" and found this
Disc Brake Dust Shields Anyone ever try them?
Greg