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Old 01-30-2013, 02:06 PM   #1
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Join Date: Jan 2013
Location: Ottawa, Canada
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Rust on new brake discs

Hey guys,

So I picked up my new 2012 JK Altitude yesterday (officially ranking as one of the happiest days of my life to date haha). It was kinda hard to get a really good look at everything with the snow and what not on parts of it. Today I noticed that my brake rotors, especially the front have some rust on them. It's a pretty fair amount too. I know that some rust is bound to happen on the rotors, especially here in Canada but I guess my question is, should this have been something the dealer took care of? From what I've read online, most new cars will have some rust on the rotors from sitting on the lot, so apparently it's normal..

I just wanted to get some opinions on whether or not it's normal when buying a new car for there to be some rust on the brakes, and if I should just accept that as part of nature, or if this is not acceptable when buying a new car, and that the dealer should have had the rust removed before I picked it up. Thanks for any input.
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Old 01-30-2013, 02:17 PM   #2
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It's fine. It literally can form overnight if parked when they are wet.

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Old 01-30-2013, 02:20 PM   #3

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If the vehicle's sat on a lot for almost any length of time, it's normal.

That said, how rusty are we talking about? All orange and a leper in the final stages? That would be bad...

Otherwise it's not an issue, IMO. First couple times you hit the brakes it'll clean right up (where the pads are, anyway).

Enjoy the new Jeep!

"What we see depends mainly on what we look for."
—John Lubbock
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Old 01-30-2013, 02:20 PM   #4
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Just surface rust. Will go away when you apply the brakes next time you go anywhere
~ Luke
2012 JKU SportS
33x12.5x15 Goodyear Duratracs
MB72 Wheels
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Old 01-30-2013, 02:49 PM   #5
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Like they said....the first time you get them hot and then wet....poof...rust
(Sold)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights
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Old 01-30-2013, 03:09 PM   #6
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The only reason you noticed the rust, is because people with Jeeps tend to get under them and check things out. How many people with cars do that??
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Old 01-30-2013, 04:23 PM   #7
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Location: Long Island, NY
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Is this your first vehicle? Does it look like this? If so, it's just temporary surface rust, don't worry about it. First time you step on the brakes it'll be gone. Happens on all vehicles.

12JK - Sold
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Old 01-31-2013, 03:02 PM   #8
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Location: Ottawa, Canada
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Cool, thanks for all the replies. No, it's not my first vehicle but it is my first vehicle with disc brakes all around and even aluminum wheels that I can see through to the brakes! I figured the braking action itself would take care of surface rust where the pad makes contact, but I guess I was more worried about the parts of the rotor where the pad doesn't make contact, such as the top. But, sounds like it's all normal and now I won't feel like a tool for calling the dealer and telling them that they should've replaced my brakes!
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Old 01-31-2013, 04:15 PM   #9
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I think you should pick up a 2013 ASAP. :-)
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Old 01-31-2013, 04:19 PM   #10
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All normal especially since that altitude has prob been on the lot for like up to a year possibly
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Old 01-31-2013, 04:33 PM   #11
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Park in the wet, come out to your vehicle six hours later, and you'll find rust. Perfectly fine. I've had cars sit for weeks without driving them, then go out and with the first application of the brakes, nice 'n shiny again.

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