Best suggestion for clutch master cylinder -
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post #1 of 4 Old 10-15-2020, 11:46 AM Thread Starter
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Posts: 69
Best suggestion for clutch master cylinder

Wondering what you guys suggest for a clutch master cylinder on full Chevy swap YJ, I keep losing my clutch pedal and not sure if it's my master or something with the clutch fork or slave

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post #2 of 4 Old 10-16-2020, 08:08 AM
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1989 YJ Wrangler 
Join Date: Jul 2013
Location: Morrisville
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A pre-bled slave and master cylinder are available for the external slave AX15 set up for about a little over 100 bucks. Yeah that’s throwing money at it but it would answer the question almost immediately. The fact that you were losing your clutch says one of the two of them are wrong somehow and the separate parts aren’t always available economically so it almost makes sense to throw parts at it.

If internal slave try a master cylinder first I guess. LUK is a good aftermarket option

[size=3]Shackles & D-rings are different things.
Cranking IS turning over
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post #3 of 4 Old 10-16-2020, 10:57 AM Thread Starter
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Everything is chevy, I have an sm465 and I bled out all of the old brake fluid yesterday and now it's working really well so I guess either I had air or the fluid was bad
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post #4 of 4 Old 10-17-2020, 06:20 AM
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1989 YJ Wrangler 
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I have an 1989 converted to a External AX-15. I did not like the "pre-bled" system and it didn't fit the mounting bolts on my firewall.

Here is what I put together and love it:
LuK LMC208 Clutch Master Cylinder
Dorman CS360047 Clutch Slave Cylinder Bore 21MM (it is metal and bleed-able)
Advanced Adaptors - 716130TJH : TJ Slave Cylinder Hose Replacement Kit (#716130TJH) (I would prefer a 48" hose)

this system will self bleed. If you have never done it - it feels broken. Just keep pumping the clutch (probably 40-50 times) and it will bleed and firm up. I hope that helps.
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