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Discussion Starter · #1 ·
So I had to replace my rear brake caliper and now my brake isn't working. I first bled it with a mighty-vac and fluid is definitely going through the system but I couldn't get any pressure on the pedal or movement of the piston. Then I tried bleeding it the old fashioned way and fluid still passed through the whole system, reservoir to caliper bleep nipple, but no brake pressure at the pedal.

Next I pulled the caliper off and took it apart to check if the piston was seized. I was able to push both pistons down into their holes without too much trouble. I'm going to fire up my air compressor next to remove/clean the pistons just in case but I don't have a good feeling that's going to help.

Any ideas what else I can try to get pressure back in my rear brake? I pumped the crap out of it when bleeding but never got any pressure, fluid put the other end, but no pressure.
 

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1,183 Posts
Discussion Starter · #4 ·
Thanks guys, problem solved. I think my brake works even better now than it did before - I had to hold the rear brake AND sit on the bike before when torquing the rear wheel nut. This time the rear brake was sufficient on its own.

Why isn't this procedure in the service manual? As common an issue as this, it ought to be there.

Anyway, thanks again
 
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