• Hmm, so is there another way to know my seals are gone and I need a new caliper? Or is it just a case of replacing everything else in the system and if that doesn't help, replacing the calipers?

  • Pffft which brakes are they? Are they still in warranty?

    Suddenly failing pads accompanied with squeaky noises is a sign of leaking piston seals.

  • BR-RS505, about 26 months old so out of warranty. I'll try brand new pads and rotors tomorrow, as there's nothing to lose even if that's not the issue (I can just stick the old pads and rotors back on there).

    If the seal is leaking, I should be able to see that visually, right? I just don't want to buy and replace calipers if that's not definitely the problem.

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