1985 Toyota Pickup clutch

Sounds like the throw on the master cylinder is lot releasing all the way causing pressure on the slave cylinder and not releasing it thus the clutch is actually being applied. Recheck master mounting. If the problem started after clutch master replacement and it is installed correctly then the master is probably defective

By throw I mean the rod that connects from the clutch pedal to the master cylinder. If the rod does not fully release then the fluid will not return to the master cylinder reservoir causing pressure to be applied to the clutch slave cylinder thus applying the clutch.

That is why when you bleed the system what your actually doing is relieving the pressure on the slave cylinder.

Make sure there is some free play on the clutch pedal after installing new one. You should be able to pull up on the pedal and have a little slack or slop in the pedal thus applying no pressure to the master. If the pedal has no play then that is the issue we will need to fix. **I remember some of these has a 1/4 inch spacer behind the master cylinder that was made out of plastic and if that is not there then that would be the reason for the pressure on the pedal. It might not have had the plastic spacer but if its there make sure it stays there.