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Old 07-14-2017, 05:25 PM
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Join Date: Nov 2015
Location: Lacey Wa
Posts: 90
Clutch Problem!

Howdy, I just finished up the conversion of my 85 turbo to a manual transmission. It seems to drive good with no horrible vibrations however there is a problem with the clutch. It has a new clutch master cylinder and slave. The master cylinder came with 2 different push rods of different lengths.

I tried the shorter rod and could get the car into forward gears, but not into reverse and it required pushing the pedal all the way to the floor. It also made a weird noise like a chirping bearing, only when the clutch pedal was all the way out. I tried adjusting the eccentric bolt, no change. I then tried the longer push rod, this time I could get it into all gears and reverse. It still required pushing the pedal down to the floor to disengage. It also still made the chirping noise when the clutch pedal with all the way out.

I have a machine shop so I decided to make a third rod identical to the others, but a tad longer to see what would happen. I wanted the chirp to go away and the clutch to disengage at around the middle of the pedal travel. It worked. The chirping went away and I could adjust the eccentric to make the clutch disengage where I wanted. There is just one problem now. It leaks around the clutch master cylinder. The rubber boot fills up with fluid and starts to dribble when its driven. not a horrible amount, but I still don't want brake fluid all inside my car.

Any ideas what it could be? I thought maybe because I'm pushing the piston even farther in, maybe it starts leaking? or I broke an o-ring? Or maybe I just got a bad brand new master cylinder?

The car seems to drive perfect with that custom push rod, it just leaks. Am I gonna damage something?

I guess the next step is to just buy another master cylinder and install it. If that one leaks also then I know something is wrong with the setup, I just won't know how to correct it at that point. The only other thing I thought of was the throwout bearing. I know there are two sizes. The new one I put in was the same as the old one I took out though.

Let me know your thoughts. Thanks!
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