Removing Rust from Rotors
I have a dilemma. My Corvette was perfect until the other night. Our temperature had been about 9 degrees, then suddenly went up to 70. My car cover was wet on the bottom from the condensation, and now my rotors are covered with rust. Aside from driving it, which I don't want to do right now, is there a safe way to remove this rust? I'm wondering if a little steel wool would work and not hurt anything. Any suggestions? I know it sounds crazy, but it just bugs me that there's rust on the rotors. Thanks for any help.
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Steel wool or a 3M Scotch Pad (green grocery store variety) will remove the rust. Neither will remove any metal. Brand new cars at the dealerships will have rust on the rotors and they don't sit under wet car covers.
The fire path area will come clean with driving and braking. The rust won't hurt anything until you can drive it. It'll come back sooner or later if the rotors have no protective coating. Maybe consider applying some high temperature paint on the hats and vanes to protect and beautify...at the cost of your labor on a nice weekend. |
Why, what's the point???? Soon as you get it off, it will be back in a week or so.
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That is why many of us buy zinc dipped rotors...
Only the fire path gets exposed to rust and that is wiped clean every time you brake. |
Originally Posted by rws.1
(Post 1568397564)
That is why many of us buy zinc dipped rotors...
Only the fire path gets exposed to rust and that is wiped clean every time you brake. |
You're right.
Thanks for the info. I'm just overprotective. If it's not going to hurt anything, I may just leave it until spring. And I may use one of those green scotch pads suggested.
Thanks again for the info. |
Originally Posted by rws.1
(Post 1568397564)
That is why many of us buy zinc dipped rotors...
Only the fire path gets exposed to rust and that is wiped clean every time you brake. I personally don't mind seeing rust on the surface of the rotor as I know it'll be gone when I drive it (and mine is a daily driver, so it doesn't sit for long) but it bugs me how my rotor hats and the fins of the rotors are so badly rusted! |
If this car is going to be sitting OUTSIDE with a Car cover don't worry about it. The Rust will come right back in a week or so.. If it's going to Sit inside, just drive around the block and put it in the garage.
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Then there's the "extreme" method posted here in 2004 by none other than Evil-Twin himself:
"There are some tricks; Here is what I do. Knowing that brake dust is a bit harsh and zinc is soft, and sooner or later the protection will fade. once a year since two years ago, I have done this : I only do two Rotors at a time, it is labor intensive. I remove the two front rotors, throughly clean them with brake cleaner, making sure I clean out the cooling vains, then blow them off. I take a dremel tool and polish each hole with some 120 emery ( just a small square of emery 3/8ths sq. on a dremel arbor ) I polish each one to a mirror finish. IT takes about a minute to do one section of holes. I made a tool from a paint stick which mimics the slot width and radius. I use OO steel wool under the paint stick and rub it up and down the slot ( like trying to start a fire by rubbing a wooden stick ) the steel wool will remove any brake dust that is crusted into the slot and polish them. This all takes about a half hour. I then take a Q-tip and some 1500 F clear paint. I dab each hole with clear, allowing the clear to drip down inside the hole. I also do the slots. I let this dry and start the other rotor, after an hour or so working on rotor #2, I dab another coat of clear on the holes and the slots of rotor #1, after doing this to rotor #1 , I then do the second coat of rotor #2. It's now lunch time.. After an hour, I mask off the fire path ( where the pads contact the rotors. ) I then use steel wool on the outside edge of the rotors, and If you do not have two piece rotors with aluminum hats, you can steel wool your steel hats. then the last step is spraying the hats with clear 1500 F clear as well as the outside area vain area. let it dry for 30 minutes and apply a second coat. This should last the whole summer season. My rotors look like jewelry. " And they always do. A shot of ET's clean machine. He is even more anal than I am. :yesnod: http://i131.photobucket.com/albums/p...F/DSCN0032.jpg I keep mine clean but have yet to try his method. I pull my wheels at least once yearly and do a thorough wheel/tire/wheel well/brake cleaning. |
Originally Posted by Mag Red C5
(Post 1568397882)
Thanks for the info. I'm just overprotective. If it's not going to hurt anything, I may just leave it until spring. And I may use one of those green scotch pads suggested.
Thanks again for the info. |
Wow, I never saw that post from ET, what a job! :eek:
I remember ET's wheel well "cleaning" procedure. I even got "ONE TOUCH" to use (but never got around to it). :rolleyes: But you have to admit, ET has one fine looking car ! :thumbs: |
a lot of work but great results patch:cool:
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I kept having the same problem so I painted my drilled slotted rotors with a quick coat of high temp black. The hats look great and no more rust!
before http://i44.photobucket.com/albums/f2.../rotorrust.jpg after http://i44.photobucket.com/albums/f2...rotorafter.jpg |
The steel wool will work just fine. About the only way you're going to keep the rust off is to get zinc washed rotors or paint the hats on your existing ones (although the rust will still form on the pad surface until you drive it).
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I'm just curious... is built up rust detrimental to the brake pads in any way?
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While you all are sitting around cleaning brake rotors I am out driving and enjoying my vette!
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Originally Posted by Sky King
(Post 1568432832)
I'm just curious... is built up rust detrimental to the brake pads in any way?
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And they always do. A shot of ET's clean machine. He is even more anal than I am. :yesnod:
http://i131.photobucket.com/albums/p...F/DSCN0032.jpg [/QUOTE] How deep are those?:toetap: |
Originally Posted by GMANS C5
(Post 1568402850)
I kept having the same problem so I painted my drilled slotted rotors with a quick coat of high temp black. The hats look great and no more rust!
before http://i44.photobucket.com/albums/f2.../rotorrust.jpg after http://i44.photobucket.com/albums/f2...rotorafter.jpg mrgil |
Originally Posted by dougbfresh
(Post 1568397534)
Why, what's the point???? Soon as you get it off, it will be back in a week or so.
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