paint right on to a rusty rotor, please help
2009 370. I just had new rotors and brake pads installed. 2 weeks later the rotors are all rusty and it looks like hell. I guess I got a cheaper grade steel ie: not OEM replacement.
Anyway , there is a solution without going back to the repair shop and hassling with them. When I had my 03 350Z, I found this paint on line called Rust Bullet. I simply wiped my rotors off then painted the rotors directly on to the rust. It dried to a silver color and completely covered the rust. Somehow it attaches to the rust chemically. They never rusted again. The only problem is you have to order it on line and it dries silver. I have a Magnetic Black Z and I would like to find a similar product that dries black. I have since heard that there are several paints that attack the rust and turn black but I have not found anything in less than a gallon ( for $ 80.00 ). Has anyone found something that will do what I wnat? Thanks |
BTW, the place that did the brakes has offered to put the car on a lift, remove the wheels and do all the painting free of charge.
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i would remove the wheels, use a wirebrush to clean the rust off, then mask the area where the pads make contact and calipers, and use duplicolor glow gloss black engine enamel paint directly.
ive tried engine enamel primer prior to the enamel and it chipped... :icon08: where as no primer worked better. :icon08: |
The OEM do the same here in Florida in a day or two because of the humidity. When I was shopping for my Z every new one that wasn't indoors had rust on the rotors.
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ive seen some of your guys Z's undercarriage picts. looked worse than those in snow belt states that get driven all winter :ugh2: |
The east coast or if you are with in a half mile of the gulf are the worst because of the fine mist that comes off of crashing waves. My undercarriage doesn't show it but all the welds on my Stillen CBE does.
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My OEM rotors rust. If it rains or the humidity is really high and I don't drive the Z for a day or 2, they rust. After a short drive, no more rust.
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Rusted rotors are normal. They are made of cast iron and will rust in humid conditions. Driving and using the brakes is the best way to remove the rust.
Some replacements have paint applied to the non braking surfaces: http://www.tirerack.com/images/brake...stop_rotor.jpg which is all I would recommend painting. Enamel paint intended for high brake temperatures is the best product to use if you would like that look diy. |
duplicolor 1200 degree ceramic spray paint. Cover the whole rotor, inside and out. any overspray on the swept area will come off with the first application of brakes and leave a perfect transition line.
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Thanks for the replies, but I am not talking about the area where the brake pads are. It does rust in this area also but applying the brakes gets rid of it. I am talking about the rest of the rotor that never sees the brake pads including the edge around the circumference of the rotor.
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yep, just paint the areas that are exposed that dont make contact to the pad.
you can source the duplicolor engine enamel at your local autoparts store. dont go for the rustoleum's engine enamel. it's not the same. from my experience, duplicolor is better. |
and rustolum spray can actually rusted through its OWN can and started leaking. :icon08:
it was a serious WTF moment. i was very lucky that i got home from my overseas trip that day and noticed the leak cause it had just started leaking and caught it in time. otherwise my whole cabinet would've been f-ked :ugh2: i keep all spray cans in a deep plastic container with a lid now. |
Do you guys recommend buying auto zone pads to scrape the paint off of the rotors and then installing high performance pads after a few miles? I've been told that if i don't do that then my high performance pads won't last as long and they will dust a lot more than they should.
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