I just installed a new clutch kit (Competition Clutch stage 4 sprung) and for some reason my slave cylinder started leaking as i pump the pedal. I replaced it with another slave cylinder but the same problem. As i am bleeding the system and start getting some resistance i feel it getting stiff at about 3/4 of the way down and if i go past that the slave cylinder just leaks out. Any help would be appreciated.

thanks
khiz