Need Help Diagnosing A Hydraulic Clutch Problem


Old 01-05-10, 05:32 AM
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Need Help Diagnosing A Hydraulic Clutch Problem

I'm having trouble bleeding the clutch master cylinder on my 1971 Triumph TR6. I took the mc off the car a few years ago and put it on a shelf while I did other work on the car and now I re-installed it and cannot get any clutch pedal resistance or slave cylinder movement.

I've tried bleeding the system numerous times with no luck.

There are no leaks anywhere.

I've ordered a rebuild kit for both my clutch master cylinder and the clutch slave cylinder but I'm concerned that they may not solve the problem.

Is it possible to have a bad clutch master cylinder and/or clutch slave cylinder without any external leaking?

Is it possible to test each component separately to determine if one or both are bad?

Thanks for any input and help.
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Old 01-05-10, 06:39 AM
Join Date: Jan 2007
Location: North Central Indiana
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bleed clutch

Yes a M Cyl can bypass internally without leaking. The slave cyl should work if it doesn't leak. Any M Cyl should be "bench bled" before installing. Clamp it in a vise and using a screw driver or similar tool push the piston in while using your finger as a check valve on the hole the line connects to. Some have reported bleeding by opening the bleeder on the slave cyl and allowing gravity to fill the system. I never had good luck with these methods. I always ended up using my pressure bleeder.
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