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Brake rotor rust

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Old 01-01-2017, 10:15 AM
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platinum997
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Default Brake rotor rust

Car has been sitting almost 20 days or so and starting to notice rust on the rotors.

What can I put on them to prevent the rust that won't ruin the pads?

Kind hoping you tell me nothing so I have an excuse to stop this put away for 3 month BS in the winter and can just go drive it.
Old 01-01-2017, 10:18 AM
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Domer911
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drive it to the store and back. seriously.

Straight answer to your question is "nothing."

Wanna get rid of the rust "lickety split"? Drive it.
Old 01-01-2017, 10:29 AM
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LexVan
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Next time, after you wash the car, blow dry your rotors with a leaf blower, or buy the fancy-pants Master Blaster car dryer. This will reduce the normal rotor rust a lot. But, yeah, a quick drive too works.
Old 01-01-2017, 10:41 AM
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platinum997
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I definitely don't think they were wet. Already do the leaf blower thing and took it for an hour drive before I stored it. Condensation maybe?

Sounds like I get to have some fun today... Happy New Year !
Old 01-01-2017, 12:02 PM
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Domer911
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if there is any moisture in the air whatsoever, you will see surface rust appear. It's a given.
Old 01-01-2017, 10:54 PM
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Rikky001
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Do you store it under an outside cover?
Old 01-02-2017, 08:19 AM
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platinum997
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Yes, it is under an outdoor cover in the garage.
Old 01-02-2017, 09:42 AM
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cosm3os
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They are steel rotors. They oxidize when exposed to the air. As said above, drive the car and it will be gone. If you don't want to drive the car, then sand them by hand weekly. Or just sell the car and you won't have to loose sleep over this any longer.
Old 01-02-2017, 11:56 AM
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Iceter
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There is nothing you can do about this, short of replacing them with carbon ceramic brakes. Bare metal rusts immediately, when exposed to any amount of moisture--including the natural humidity in the air.

Spraying something on the rotors will only degrade your braking performance. You'll either have to live with it or drive the car more often.
Old 01-02-2017, 12:52 PM
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STG
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You should use an indoor cover in a garage. The way doesn't trap moisture underneath. The outdoor covers are waterproof.

There is no harm in the rust. Will come right off in first drive. No harm to pads or rotors.

Now .... before you cover it, spray this stuff on a cotton cloth or whatever, and wipe the rotors with it. You can spray too if you can't reach. Definitely helps with not having rust form. I use it. I prefer the wipe on method to keep the product limited to the rotor surface.

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Most of the online guys carry it.

http://www.autogeek.net/hydes-serum-rust-stopper.html
Old 01-02-2017, 01:26 PM
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cosm3os
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Seems like a lot of effort to remedy a harmless occurrence. Or have we gotten that ****?!
Old 01-02-2017, 01:46 PM
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STG
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Originally Posted by cosm3os
Seems like a lot of effort to remedy a harmless occurrence. Or have we gotten that ****?!
Who gives a rats ***??

It's not your car and nobody is asking you to do anything. He has a question/concern, other people chime in. You don't like? Ignore.

You suggest sanding the rotors?? Really
Old 01-02-2017, 02:32 PM
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Seems there is only rust on the rotors after the car is washed and parked overnight. What bothers me is the brake dust so I've ordered new rotors and ceramic pads to install.
Old 01-02-2017, 02:41 PM
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fast1
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Originally Posted by jkw911
Seems there is only rust on the rotors after the car is washed and parked overnight. What bothers me is the brake dust so I've ordered new rotors and ceramic pads to install.
Check a dealer's parking lot, and many of the cars will have rust on the rotors. Wash the car and rust will be on the rotors within a few minutes. I wash my wheels last, and use a blower to dry the car and wheels but rust will still appear on the rotors. So I take a quick drive to remove the rust from the rotors, and then clean the rust particles from the wheels after returning home.
Old 01-02-2017, 02:53 PM
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Originally Posted by jkw911
Seems there is only rust on the rotors after the car is washed and parked overnight. What bothers me is the brake dust so I've ordered new rotors and ceramic pads to install.
There are low dust ceramic pads out there to use with the OEM steel rotors. You do sacrifice braking performance though. Will it matter on average street driving? No. In an emergency braking or high speed stop? Probably.

I'd rather keep the performance personally.

If you live in high humidly areas like FL, the rotors will rust just sitting. It's not a big deal overall and doesn't ruin anything. Same with cars sitting outside in the rain, etc.


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