S2000 Under The Hood S2000 Technical and Mechanical discussions.

strange rotor wear

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Old 07-11-2006, 03:04 AM
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1. That is not normal rotor wear - the pad wear pattern should be symmetrical on the inside and outside of the rotor.
2. IMO, you did the right thing by replacing the pads and taking a light turn on the rotors.
3. "Pressure bleeding" is not inherently better than "foot bleeding", the former is just easier to do with one person. My friends and I foot bleed our brakes all the time and if it's good enough for racing on the track, it sure is good enough for the street .
4. Make sure that the sliding pins are properly lubricated.

Let us know if your uneven braking pattern was fixed by the service that you did. It should be obvious after a week or two.
Old 07-11-2006, 03:14 AM
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Originally Posted by CoralDoc,Jul 11 2006, 04:04 AM
1. That is not normal rotor wear - the pad wear pattern should be symmetrical on the inside and outside of the rotor.


It looks as if there was firm pad to rotor contact on the insides of the rotors. Only thing I can think of is some clown installed the wrong pads
Old 07-11-2006, 03:15 AM
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Old 07-11-2006, 10:08 AM
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Thanks for all your advice

Unfortunately, I threw away the old pads I don't know why they would have been the wrong ones, since the car shouldn't have needed new ones within the first 15k miles. But, I guess that's the problem with buying a used car...who knows what the heck some joker did to it before I got it.

I will check out the new wear pattern when I get the time to take the wheels off. Hopefully the new/right pads are doing better
Old 07-11-2006, 05:50 PM
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People who track their cars will often bend their pads. I saw it on both honda's and a Mazda 6 last track day. Wonder if this could be a bent pad? If so, the new pads will solve it.
Old 07-11-2006, 11:37 PM
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Originally Posted by Ek9,Jul 11 2006, 06:50 PM
People who track their cars will often bend their pads. Wonder if this could be a bent pad?
On all four brake rotors?
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