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Old 10-10-2004, 06:53 PM   #1
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Braking at high speeds causes vibration.

I know this has probably been covered before, I have spent the past 2 hours searching with different keywords on this forum but can not find anything that covers this problem.

My problem is not vibration in general (although at high speeds I do have a slight vibration) this is more of a vibration and steering wheel shake when I brake at 70 + mph speeds.

I have replaced my brakes a while back ago completley bcs the rotors were damaged. I replaced brake pads and rotors back then about 10,000 miles ago.

the thing is at slower speeds I see no brake issues, so I been driving slow lately fearing that something might come flying away from under the car.

If the above makes any sense pls advise.


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Old 10-10-2004, 06:57 PM   #2
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it sounded like warped rotors at first, but since you already replaced those.............i don't know
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Old 10-10-2004, 07:00 PM   #3
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what does wrapped rotors mean (a brief describtion if possible)? I have replaced them a while back, do u think they could rap after 10,000 or so miles?
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Old 10-10-2004, 08:48 PM   #4
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Warped Rotors are when your rotors overheat and change shape so the two surfaces arent even.

My rotors warped after 7000 miles(on my 2004 zx3), but that is because I stop too fast.

This could be a problem depending on how you drive. I know mine began shaking at high speeds only, but got worse and did at all times. Them being warped also destroyed my pads.

Hope this helps at all.
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Old 10-10-2004, 08:52 PM   #5
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jack up your front end. grab the tire at 9 and 3 and move back and forth. then grab the tire and move it at 12 and 6 in the same fashion...check for movement.

but it could be ur rotors again depending on ur driving style
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Old 10-10-2004, 08:53 PM   #6
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to be honest, ever since I got into modding I drive like am racing daily, the car just invites your to push it to the limits.

Would u suggest I upgrade all my brakes, like bigger disks upfront and replace the drum brakes in the back with disks too?

I know I would need new wheels and tires first to be able to go with bigger brakes, but I need to be able to stop as quick as I start.

My current mods are:

Suspension KYB GR2 shocks/struts

K&N FIPK II
FC 65 mm ported TB
Borla Catback exhaust.

Pirelli P6 all season tires.

What kind of green do I expect to spend on a all wheel/Tire/Brake upgrade?
1 G or about 2 Gs?
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Old 10-10-2004, 08:56 PM   #7
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the bigger brakes r for show pretty much...not impressive when tested.

i have the brembo/hawk pad combo and love it... start driving normally, not like theres too much of a benefit
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Old 10-11-2004, 12:10 AM   #8
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Maybe it is the wheel lug studs?
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Old 10-11-2004, 12:41 AM   #9
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Heat alone shouldn't warp the rotors, unevenly torqued wheel bolts and heat will more likely be the cause.

Out-of-round tires have been a common cause of vibrations in my experience.
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Old 10-11-2004, 09:53 AM   #10
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Quote:
Originally posted by Karifan
[/B]
What kind of green do I expect to spend on a all wheel/Tire/Brake upgrade?
1 G or about 2 Gs? [/B]
it all depends on what quality parts you want. If you want good stuff, yeah, the wheels themself can cost you a G. What kind of Brake upgrade do you want? A big brake kit? or just pads/rotors/lines? It all depends
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