R33 Clutch Problems

[r33 dan]

hey guys, i have just bled my clutch and after i did filled it back up with dot 4 but i cant get pressure in the clutch pedal its the fluid wont go trough the line. i have tried every thing tried using air pressure but still no luck what could the problem be? thanks

[payback21]

Did you bleed it from the top bleeder on the master cylinder first before doing the slave cylinder on the box?