take the slave off and see if the arm springs back at you, if it does you might not have to take the trans back out. Stop running the engine you are ruining the clutch, plan on removing the trans and figuring out what you put in backwords.

__________________
1996 s10 zr2 with a 6.5 turbo diesel
1996 c2500 suburban with a 6.5 turbo diesel
1981 300sd with a turbo 617
Monte carlo figure 8 car