jshultz78
Active Member
I keep having this problem over and over. I'll tear down the master cylinder, clean it out, reassemble everything, bleed the brakes, and everything will be fine, I'll have about 2" of travel on the brake pedal before they lock up, but if it sits up a while, if I barely touch the pedal the brakes will lock up and not completely unlock, I've already warped a rotor because of this. But if I tear it back down and re-do everything it'll be fine until it sits again. This time I noticed a very tiny hole in the same opening as the feed line from the reservoir, it was stopped up, so I cleaned it out with a strand of wire, they're working again now, but I got a feeling that it'll do it again next time I ride. Is there anything I'm overlooking? Is that 1/2mm hole a pressure relief or something?
Edit: I forgot to mention when the brakes were sticking, I couldn't even push in the caliper with a c-clamp until I removed the caliper line off of the master cylinder, so it's in the MC, not the caliper.
Edit: I forgot to mention when the brakes were sticking, I couldn't even push in the caliper with a c-clamp until I removed the caliper line off of the master cylinder, so it's in the MC, not the caliper.