Disk brakes bled but arent working

[Tri-ZNate]

Ok today i really wanted to get some disk brakes on the SX. So there my dad and I are bleeding the brakes. We have got all the air out of the lines (pours fluid when bleeder is open) but the piston wont move. We dont have really great pressure but we cant get any more.

So first question is How can I tell that it needs a rebuild and Where do you open these things up at? We couldnt see any way to take it apart. Its a 200x front caliper BTW. Thanks guys

[ChrisG]

Hope this helps!

[jason85atc250r]

you'll probably have to blow air in the hole where the hose attaches to push the piston out.