Manuel clutch The clutch pedal will go to the floor. This as been a re-occuring problem. I have replaced the M/C and Slave/c at times at other times I just bleed the clutch. What is wrong? No leaks! It may be on another forum but i haven't seen it.

Are you bench-bleeding the master cylinder before installing?

Are you using NEW or REBUILT parts? Or, are you rebuilding them yourself? Are all the fittings tight? They may hold under pressure but leak air under vacuum (though not likely, it is a possibility)

No I did not bench-bleed the master cylinder. I never heard of that! How is that done? I did used two pints of fluid in and attempt to purge the system of air. The parts are remanufactored purchased from auto zone. The push rod on the Slave cylinder keeps extended itself with every press of the pedal until the throw out bearing is pulled from the shifting fork or the pressure plate fingers. It's like the fluid is not flowing back to the master. I can use a pry bar and make the slave cylinder return and the fluid. There is no back pressure on the throwout bearing fork.One time I used a board to hold the pedal depressed for several hours and could not find any leaks.

I would put money on the clutch dampner being your problem. I *think* they used them in the 92 Troops. Isuzu was a little random on what vehicles used them and which ones did not. Follow the line from the MC and it should go through a small, 2" square item before it gets to the SC. It should also have a bleeder screw on it. These things like to stick (especially on a 16 yo vehicle) and they act like a check valve. Personally, I would suggest bypassing it as it should make no real difference. Their purpose is to allow the clutch engagement to be "smoother".

You can also replace it if you like.

Good Luck,
Michael

I found it today. The retaining lock ring which holds the throwout bearing in the pressure plate was broken. I had to but a new clutch kit. No one around here sold that item seperate.