• Front R8020 brake had a lot of travel in the lever so I filled it up from the lever while letting out the slightly grey oil/water at the bottom. Then shut the bleed valve and pumped the lever to get rid of bubbles.

    Put back together and there seems to be oil coming from around the white pistons behind the pads. That’s not good right? Is it fixable or is the calliper fucked?

  • That’s not good right?

    Nope. If your rotor and pads went into it, you’ll have to give them a good scrub to decontaminate them. Purpose made stuff is great, Muc off is better than nothing.

    Is it fixable or is the calliper fucked?

    Did you push the pistons into the calliper at any point? Are they parallel to the centre line of the calliper?

    If you lost brake power before and you’ve identified a leak now, it doesn’t look good for that calliper. If you have mineral oil and time to spare, it’s worth a shot at seeing if you can fix it.

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