Thread: rusty rotors
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Old 05-04-2010, 07:02 PM   #2
Wesman
 
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Drives: Trans Am
Join Date: Apr 2009
Location: USA
Posts: 391
Quote:
Originally Posted by first one View Post
My rotors and calipers are spotless, but I met another camaro owner at a small camaro meet in Illinios that uses his camaro as a daily driver and drove it in the winter. His rotors are rusting and his calipers look aged. He has just excelerated the damage to his, but eventually mine will look like these, but will just take me longer. My question is: Is there anything I can do to prevent this other than keeping the salt off them like coating them with a small amount of oil (not on the braking surface)?
Its mostly about keeping them clean and well protected.

For the rotors, the brake pad surface of the rotor will always be clean, due to the fact that its in constant contact with the pads. The center hub and outer rotor vanes are where the rust happens. To prevent this, you'll want to get a can of Duplicolor black high-temp ceramic caliper paint. Clean the rotors well with brake clean, and then paint the hubs and outer edge of the rotor. Don't worry if there is any overspray on the brake pad surface, the pads will wipe it away as soon as you drive the car.

For the calipers, they are more difficult to protect because instead of being powdercoated like the CTS-V or G8 GXP calipers, they are a rough cast iron like finish (same as the 08+ Cobalt SS). You could try to wax them with regular car wax to protect the finish, but I'm not sure how much that would help. The best remedy is probably just to keep them as clean as possible, and to not allow brake dust to eat into or dull the finish. I wouldn't put any type of oil anywhere near the brake system, if it gets on the brake pads/rotor surface, it will make the brakes grabby and cause some nasty noises as well.
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