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Join Date: Mar 2009
Location: Charleston, WV
Posts: 92
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rust on rotors
Anyone have any good ideas on cleaning rust stains off the hub portion of the rotors? I thought about masking and painting, but I wondered if there was anything I can use to just clean them up that will not hurt the rotor surface??
I just hate seeing that rusty stain through the wheels... thanks
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96 993 Cabriolet - Speed Yellow - Stock 88 944 Turbo - Nautic Metallic 65 Pontiac GTO Post Coupe |
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04-27-2010, 04:57 PM
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Just wire brush the rust off, hose it down with brake parts cleaner, mask then paint. You won't hurt the rotor surface.
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A nose heavy airplane flies poorly, a tail heavy plane flies once. |
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04-27-2010, 05:45 PM
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Here's a real easy solution and only takes 1 minute. This is what I did and haven't seen rust for 4 years. I used a rust converter.
1. Get a metal brush and brush the rust off. Not important you get ALL it off. 2. Brush on a rust converter. 3. Wipe off excess. It convert the rusts into a black coating which so far lasted 4 years. |
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04-27-2010, 06:42 PM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Quote:
is this like the prep you put on bare sheet-metal before priming?
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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04-27-2010, 10:00 PM
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Quote:
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Don't think so. This stuff is meant to go over rust and convert it to a hard surface that can be primed and painted. I'll try to look for the bottle tomorrow. But I think it is just phosphoric acid. |
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04-28-2010, 12:04 AM
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Join Date: Oct 1999
Posts: 8,673
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Quote:
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04-28-2010, 08:41 AM
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1980 911 SC
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Harbor freight
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Life's a Beach |
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04-28-2010, 08:51 AM
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84 Carerra, wide body
Join Date: Apr 2010
Location: NJ
Posts: 21
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Loctite makes a version of it. It's available at Home depot or auto stores. sometimes a spray, or in a liquid. It's a latex solution with some kind of chemical that turns the iron oxide rust into a black something else. I've used it on floor pans, metal roofs, and many things for a few years. The great thing about is there is little prep, just get off most of the rust. It doesn't usually stand up to alot of water, I would guess because the latex isn't fully waterproof. It can also be coated with another paint once it dries.
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04-28-2010, 09:30 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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I paint mine with a cold galvanizing high temp gray paint. Made by LPS available at local Ace Hardware. Worked great on brake rotor hats and exhaust systems.
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Kevin L '86 Carrera "Larry" |
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04-28-2010, 09:33 AM
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Can't find the bottle, but I'm sure it was a rust converter in a white milky liquid. I just brush it on.
Here's a pic of the rotor after close to 4 years, and NOT doing anything. Guess I could use a second application huh? Good part is that the rotor hub doesn't look painted. 
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04-28-2010, 06:03 PM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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ok..... i know what kind of converter you're talking about now I used that stuff about 20 years ago to coat the roof of a 1971 Camaro that looked like swiss cheese epoxy primer and Imron coated it worked out great never a bubble or any trace the roof was screwed up i'll get some more for my rotors thx all
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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04-28-2010, 09:38 PM
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1979 Porsche 911SC
911SC
