Don't wish to seem big headed... However vented discs can not warp under normal driving conditions, they'd have to crack for this to occur... However what does happen is an uneven build up of pad material can accumulate on the surface which expands at a different rate to cast iron and behaves effectively like a warp on a single skin disc. If they were warped it would wobble all the time, hot or cold
This can happen a couple of ways, brakes that are dragging slightly (sticky caliper) or parking the car up with roasting brake's after a rapid driving session, I did the latter on my S2 a couple of times.
ATE are a good brand, my personal choice would be Mintex as I can get them at a discount price and the quality is good.
It's a pain in the backside but if you remove the discs and clean any pad build up off them with some 40/ 80 grit sand paper in a circular motion it should sort the problem assuming that's what causing the wobble and not a cracked pad. Basically a home skim.
They could also be poorly seated as Dave say's but again I'd expect them to wobble all the time in that case, but not necessarily.
Quick edit... Check your wheel bolts are torqued correctly, I have encountered brake wobble caused by the bolt torques all being wildly different.
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I have done about 1000 km. Then it started.
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ATE are a good brand so I think the problem lies elsewhere. The shake is either warped discs or discs not seated properly. Has it done this from day 1 after fitting? If they have been overheated they could have warped. Are you sure they were genuine? Lots of fake stuff out there. If you have a good dial gauge you can do a run out test whilst on the car.Leave a comment:
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Which brake discs?
Hello people. I have an UrS6 with HP2 brakes. Can you tell me what brand of brake discs you are using with the pads. While I had the OEM discs I had no problems. Now I have OEM brake pads in combination with Ate discs. After hard driving, the discs shake like crazy. Brakes well. Everything is clean, no rust.
Should I buy Brembo or Audi again? Tnx
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