Clutch bleeding in Z32s is a problem for lots of us. Some peolple swear you can only purge all the air buy bench bleeding. I've had good luck just opening the bottom bleeder and let it gravity bleed to get most of the air out. This of course after bleeding the top section. You do know there are two (2) bleeder valves? Top and bottom. One thing that has worked for me is to block off the movement of the slave cylinder. When the slave pushes the fork, it absorbs the pressure you need to force air out of the system. I have had good luck by blocking the slave cylinder from moving like in this video: https://www.youtube.com/watch?v=Vwjrh4ezwdU What I do is jam a large socket up at the end of the slave, so the fork will not move. You can also use a large C clamp to do the same thing.
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