S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

my brake rotor is cracking =(

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Old Jan 12, 2006 | 04:10 PM
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Default my brake rotor is cracking =(

<center><img src="http://pictureposter.audiworld.com/66958/crack.jpg"></center><p>hey so while my wheel was off i noticed that there are a lot of cracks on my rotor where it attaches to the hat. has anyone heard of this happening on any APR kits before? or any BBKs for that matter
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Old Jan 12, 2006 | 04:12 PM
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Isn't the APR kit really just stoptech's ?
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Old Jan 12, 2006 | 04:14 PM
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yea pretty much.
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Old Jan 12, 2006 | 04:15 PM
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Default Isn't that the hat? I've had problems with the brake pad backing rubbing against the hat on mine

(yes, I have APR stgIII brakes) when the pads wear enough. Is there evidence of rubbing or grinding on the edge of the hat?
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Old Jan 12, 2006 | 04:17 PM
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Default Different hats, caliper bracket, smaller pistons, anodized finish on the caliper. Same rotors and

calipers. I believe it was all made by Stoptech, it's just different from the 332 kit they sell.
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Old Jan 12, 2006 | 04:21 PM
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ahh, i was gonna say. Never heard of that cracking problem on the 332's
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Old Jan 12, 2006 | 04:51 PM
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yea there is one spot where you can clearly see rubbing. what did you do about it
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Old Jan 12, 2006 | 04:53 PM
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I'd be braking gingerly until you get that replaced
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Old Jan 12, 2006 | 05:05 PM
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Yikes. You probably shouldn't drive on that. If you must, just use the e-brake.
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Old Jan 12, 2006 | 05:10 PM
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Default I doubt you can buy a replacement hat for the APR stgIII kit :-( Contact stoptech.

Maybe they can help.
I read something in the archives about the caliper bracket positioning the caliper too close to the hat on the early stoptech kits.
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