4 ms·

It's a matter of proportion. One does not expect brake disks to wear after 2,000km, that's plain defective. If it were 50,000km I'd agree that's more reasonable

• HeyLaughingBoy 5y ago
  I completely get that under normal operation brake disks should not be unusable after 2,000km. My point is simply that it's not expected to be a warranty item, so don't be surprised if the dealer hides behind that.
• dghlsakjg 5y ago
  The issue wasn't that the discs were worn down after 2000km it was that they were "warped". Warping is generally caused not by the rotor warping/bending so much as uneven wear or brake material deposits. This most frequently happens because the system is driven beyond design limits and overheated to the point that the pad material bonds with the rotor. It is also possible that this is a factory related issue and not overheating, but presumably this would have been noted on the test drive, and not after 2,000 km of gas. If I'm the dealer, I ask myself which is more likely: 1. that my delivery inspection mechanic and the customer failed to notice a braking system issue at the time of sale, or 2. that a customer with a new car took it out and pushed it to the limits?
  • hnov 5y ago
    Exactly, fundamentally it's a piece of cast iron, cracking and other failure modes could be attributable to defects, but warping generally means overheating of the braking system.