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I got an oil leakage from the rear brake due to a snapped brake hose near the end where it connects to the calliper. Some DOT5.1 oil got in contact with the pads and the rotor. I took it to LBS to have a full bleed, install it back on it. It squeaks like a horn when I brake. There is nearly no stopping power, no matter how far i pull the lever. Then, I tried to do a "BURNOUT" on my bike, pedal hard while holding the rear brake. The rotor goes really hot, however the brake power is BACK! I can lockup the rear wheel on concrete road easily too. Does it mean the problem is solved now? And, will I die on the trail due to no braking power? From my logic, if I can lock it up on concrete, then means I will be fine. Right? I am expecting that while I was doing the BURNOUT, the brake oil is evaporated due to high temperature. Tell me what you think STWers!
If performance is back, job done. Check it still works with the rotor cold though.
One small point, 5.1 is brake fluid, not oil.
Again, now it does not squeak, and I can lock it up. I guess it is OK. I do have some new pads in my spare box, however I just think if the current one is back to life, then it is fine.
I am using resin (non-metallic one) pad, I just hope the FLUID does not penetrate deep into it. IT STILL GOT MANY JUICE LEFT!
Sounds like it's fixed.
I'd ride it until/unless you lose friction/performance 🙂
Put the pads in the dishwasher, there's nothing hotter or more caustic for degreasing. Don't put alloy components in though as they will come out pitted.
Pitted? Pitting is a result of corrosion, how do they get corroded in a dish washer? Is there salt in the cleaner?. Not taking the p btw, genuinely interested, I've never owned a dishwasher.
I would swap the pads for new ones sooner rather than later. The pad material will soak up the fluid so it will always be there.
Some people advocate putting them in the oven. I've not tried it personally.
The rotor can just be cleaned up with some isopropyl alcohol. Be sure to do this before you insert new pads though when you eventually swap them, as you wouldn't want to contaminate the new set.
Dishwashers work by blasting everything with an extremely hot caustic solution, which will attack the shiny finish on alloy - don't ask me how I know this!