# Corroding Brakes **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [December 28, 2008, 11:19am UTC](https://community.cartalk.com/t/corroding-brakes/23981 "2008-12-28T11:19:54Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![jaroo23](https://avatars.discourse-cdn.com/v4/letter/j/e56c9b/32.png) [@jaroo23](https://community.cartalk.com/u/jaroo23)\ **Post date:** [December 28, 2008, 11:19am UTC](https://community.cartalk.com/t/corroding-brakes/23981/1 "2008-12-28T11:19:54Z")
I live in NY and recently bought a 2006 Subaru Legacy wagon in PA. When I bought it, there was some slight surface rust on the rear brake rotors - just the section between the ‘disc’ and the wheel. After driving in this winter, on our salt covered roads, I am seeing surface corrosion on the ‘disc’ section as well, and even some on the calipers. I understand that salt will do this, having lived here all my life, but why is it happening so quickly, and why do I not see this on other Legacy’s that I have looked at? What can I do to prevent it? As the wheels are 5 star alloys, you can see much of the brakes, and it loooks unsightly (plus it obviously does not bode well for brake performance down the road). Lastly, I have read numerous opinions online about car washes (at home, touchless, automatic with cloth/brushes, and wand). Aside from doing it myself (which is touch as I live in an urban area), what is the safest way to wash it and not harm the finish? ---
**Author:** ![MG-McAnick](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mg-mcanick/32/188_2.png) [@MG-McAnick](https://community.cartalk.com/u/MG-McAnick)\ **Post date:** [December 28, 2008, 12:15pm UTC](https://community.cartalk.com/t/corroding-brakes/23981/2 "2008-12-28T12:15:40Z")
Ahhh yes, the fameous DOUBLE POST.