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I would really appreciate it if someone with a working clutch would climb under their car and measure how far the clutch slave cylinder is moving the clutch release arm.
I have measured the total travel length of the clutch slave cylinder actuator rod. It is 1 and 7/8th of an inch.
In it's installed position on my car the clutch slave cylinder actuator rod is at 5/8ths of an inch from the bottom (totally compressed) position.
When the clutch pedal is depressed the clutch slave cylinder actuator rod moves 1/2 inch.
5/8th + 1/2 = 1 and 1/8th inches.
Since the total possible travel length of the actuator rod is 1 and 7/8th of an inch, that leaves an additional 3/4 of inch that the rod could could possibly travel.
It appears that I only need an additional 1/4 inch of throw for the clutch to work properly, but no matter what I do I cannot get the clutch slave cylinder actuator rod to move the clutch release arm any further.
So far the clutch master cylinder has been replaced. The clutch slave cylinder has been replaced. The middle clutch line (the one with the rubber hose) has been replaced and the entire system has been bled with a Motive Power Bleeder several times.
I have been working on cars, trucks and tractors for 40 years. I rebuilt the engine in my BMW M3. This is not my first time bleeding a clutch cylinder, but this has been the most irritating thing I have ever attempted on a car.
Right now I am contemplating sending the car to the crusher just for the sheer joy I would get from seeing it crushed and shredded into a million pieces.
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