I have been driving around and occasionally under wot when i pushed the clutch in it would stick and i would bring it up and it would work fine. So i was driving today and pushed the clutch in and it didnt come back up. The clutch seems non existant. We tried changing the lines out thinking that it was just losing pressure. when ever the clutch is pressed now it just goes straight to the floor and doesn't come up unless pulled back up

 

sounds like the master or slave is bad, or there is air in the lines.