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Vibration in steering wheel only during braking

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Old Feb 25, 2017 | 05:02 AM
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Vibration in steering wheel only during braking

I figure my rotors are probably warped.

Problem? I only daily drive my vehicle and it was installed less than 5k ago.

Powerslot cryotreated

Anyone else have this problem? Do you know if there is a manufacturer's warranty?

Insane.
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Old Feb 25, 2017 | 05:03 AM
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Forgot to add that this issue just recently started. I had no issues the previous 4k miles.
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Old Feb 25, 2017 | 05:16 AM
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A warped rotor is a pretty rare occurrence & more likely you have pad deposits embedded in the rotor

You can try & sand your rotors whiles using brake clean. If your rotors have a lot of miles on them you can:
Attempt to have them turned or consider replacing them w/some Centric blanks

Last edited by MinusPrevious; Feb 25, 2017 at 05:50 AM.
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Old Feb 25, 2017 | 06:52 AM
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Thank you very much for your quick response!

Would I visually be able to see these deposits on the rotor and when you said sand, diy or professionally done?

Thank you again!
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Old Feb 25, 2017 | 08:37 AM
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Originally Posted by NJ_evoIXgsr
Thank you very much for your quick response!

Would I visually be able to see these deposits on the rotor and when you said sand, diy or professionally done?

Thank you again!
Yes & No, you may be able to see spotty darker deposits on the rotor surface.

Some guys will sand the rotors w/80-220 wet sand paper (DYI or have the rotors resurfaced)

StopTech has this article noting their procedure:
http://www.stoptech.com/technical-su...eposit-removal

Ive got the same issue w/my beat, track day rotors. Vibration / pulsing during braking, but Im due for new Centric high carbon rotors
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Old Feb 25, 2017 | 11:55 AM
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A light grit paper should remove the deposits. Also, you can take them to a shop that turns rotors and ask them to skip the turning and just do the sanding afterwards.
for what it's worth, I can't remember ever seeing a modern brake rotor warp. It would have to get extremely hot, then be rapidly cooled.
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Old Feb 25, 2017 | 12:24 PM
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You could also trying going through the bedding in process. Sometimes that takes the uneven deposits off.

Do 4-5 60mph to 10mph hard threshold braking events.
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Old Feb 25, 2017 | 12:40 PM
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Originally Posted by razorlab
You could also trying going through the bedding in process. Sometimes that takes the uneven deposits off.

Do 4-5 60mph to 10mph hard threshold braking events.
And then stay off the brakes until they cool.
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Old Feb 26, 2017 | 06:17 PM
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For me, when I had pad deposits and the resulting steering wheel shake, all it took to fix it was more driving.
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Old Feb 27, 2017 | 08:43 AM
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I've this issue with brake deposits on, sometimes happening after very heavy braking, or from my balljoints going bad. I would check the rotors, and then the joints, because if your rotors are good, the next thing to cause that issue would probably be your balljoints or tie rods.
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Old Feb 27, 2017 | 11:05 AM
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Yeah, pad deposits occur upon heavy braking. You need heat. So, if the situation doesn't start rectifying itself in normal driving, something else is wrong.
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Old Feb 27, 2017 | 12:15 PM
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You didn't mention the kind of pads you are using or if the rotors are slotted, plain or dimpled?
I assume plain and no name pads? If so, I would lightly sand down the pads to knock the glaze off them, rotors are cryo--so unless you really did something I doubt they have an issue and re-bed them lightly--.
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Old Mar 1, 2017 | 07:46 PM
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Pad deposits most likely.

I took the Hawk pads and Stoptech rotors off and threw some Duralast gold pads with Centric blanks. Don't get near the bite, but for daily purposes they're noise free and fairly dust free

Correct me if I'm wrong...but doesn't every single Evo have this problem?
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Old Mar 3, 2017 | 09:31 AM
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Originally Posted by razorlab
You could also trying going through the bedding in process. Sometimes that takes the uneven deposits off.

Do 4-5 60mph to 10mph hard threshold braking events.
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Old Mar 3, 2017 | 10:20 AM
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Originally Posted by cts4g63

Correct me if I'm wrong...but doesn't every single Evo have this problem?
They shouldn't.
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