when depressing the clutch pedal there's nothing there, it's very soft
manual trans difficult to shift; clutch pedal soft. clutch or slave cylinder? on 1995 Ford Ranger
agree with miles, once you start you just as well repl the wholeassm and be done for 50k miles
1 more answer
You chould try bleeding system first. Could be air in system. The slave cylinder requires transmission removal and in that case a new clutch, slave, and master cylinder is the common fix.