Clutch Master/Slave Cylinder Hydraulic Leak Merged Threadfest - Page 7 - Defender Source
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  #121  
Old August 11th, 2007, 12:12 PM
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Steve Maietta
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THere is a place that will bore out and sleeve your cylinders with brass. The price is reasonable, and you get a product that will last forever compared to the cast aluminum stocker.

now if I could just remember the name of the place.... : (

~Steve
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  #122  
Old August 11th, 2007, 03:10 PM
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Sierra Specialty Automotive...

http://www.defendersource.com/forum/...5&postcount=18
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  #123  
Old August 11th, 2007, 04:37 PM
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Read Kerlin
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I think the key step is to pre-lube the MC with break fluid prior to install. The first one I replaced I forgot to do it an it failed in less than a year. Second one, I did it and it's lasted years.

now that I've typed this, I'll probably have to replace it tomorrow.
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  #124  
Old August 11th, 2007, 04:55 PM
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Phillip
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Thanks for the insight. the shop I had do the work overlooked a few things. I am going to replace the MC and the flex hose anything else to think of while I am in there regarding the clutch?
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  #125  
Old September 11th, 2007, 11:32 AM
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Ray Bone
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master cyl

I have to replace my master clutch cyclinder, do i have to remove the fender to do this?

Thanks
bone
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  #126  
Old September 11th, 2007, 01:55 PM
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No, just takes a bit of twisting & turning to get out
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  #127  
Old September 11th, 2007, 07:28 PM
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no. I saw it done. Should replace the flex hose and slave cyliner also. Dont ask me how I know.

Follow-up Post:

How many miles on your truck?>
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  #128  
Old September 11th, 2007, 09:12 PM
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Pat
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Speaking about the devil ...

By the way what is the difference between the standard master cylinder and the Lucas Girling one ?

Quality ?

Performance ?

Hmmmmm ?

Anyone ?

Thanks

Pat
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  #129  
Old September 11th, 2007, 11:34 PM
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J. Michael McCaig
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Lucas Girling was the OEM.
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  #130  
Old September 15th, 2007, 02:32 PM
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John Crouse
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Clutch Hydraulics

Ok, on the way back from the National Rallye my clutch stopped disengaging. No fluid on the floormat so....

I replaced the slave cylinder and bled the system. Everything seemed to be ok. I was gone for a week, and when I got home there was fluid all over the mat. Clutch is still working. Would replacing the slave cylinder cause an iffy master cylinder to fail? Or did I just not get the cap on the master cylinder right and it overflowed into the interior?
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  #131  
Old September 15th, 2007, 04:15 PM
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Yes, this happened to me. replace the flex line while you are at it.
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  #132  
Old October 5th, 2007, 12:31 AM
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Brian Jenkinson
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clutch push rod

I am replacing my slave cylinder and I can not figure out how to put the push rod and clip onto the throw out fork??? What is the trick.
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  #133  
Old October 5th, 2007, 08:05 AM
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Dave Haynes
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The trick was not to remove it in the first place

It's happened to me a few times though...
Last time I took a scalpel to the clip and bevelled the 'fingers' to make it easier to push onto the arm. Then put the pushrod in place and hold with one finger, while sliding the clip down the shaft with the other hand, and clip into place with fingertips or with a screwdriver.

Fiddly but not impossible.
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  #134  
Old October 5th, 2007, 09:17 PM
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Brian Jenkinson
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I was at work (firestation) when I did the hydrolics and I was up until 1 am, but I finally got it on. I have some issues now with the throw out fork. When I took the slave off it all came out together and it looked bad (the cylinder boot that is).

thanks

brian
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  #135  
Old December 12th, 2007, 12:05 PM
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Chris Baldewin
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Soft/Sinking Clutch Pedal

In the last couple of days I've noticed that on occasion my clutch pedal will easily depress two thirds of the way down with little to no pressure before becoming firm. If I disengage and re-engage it feels normal? A new clutch, pressure plate, bearing, surface flywheel and a slave seal kit was installed less than a year ago between the 2.5na/LT77 and there is only a couple of thousand miles on the whole thing. I have no idea of the age of the master cylinder which is full and is not leaking but looks very clean.

Any ideas on what this might be?

Thanks
Chris
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  #136  
Old December 12th, 2007, 12:18 PM
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barry f
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does your floor behind the pedal feel wet? mushy usually means master/slave is leaking
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  #137  
Old December 12th, 2007, 01:23 PM
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Jason Herring
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Did you check your fluid level? Could be leaking, it sounds like you have air in the system.
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  #138  
Old December 12th, 2007, 02:46 PM
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Jim Cheney
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A re-seal kit isnt necessarily the best solutuion for a slave or master since they are both super-cheap to replace. Also, sometimes you dont know the slave is leaking because it can leak into the bellhousing. The good news is that if something is wrong, the condition won't persist long because the cylinder will fail quickly (probably within a week).

Bleed it again, if its not getting better, I would just order all the pieces of the hydraulic system and replace them all for good measure. George at RDS will have the stuff, dont pay RN prices. May as well order the hardlines and flex line too since they are cheap and easy to replace when everything is apart, but a pita to replace later.
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  #139  
Old December 12th, 2007, 03:41 PM
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Chris Baldewin
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Jim,


Thanks,
Chris
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  #140  
Old December 28th, 2007, 07:34 AM
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Jonathan
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Unhappy Clutch Leak??

About 3 weeks ago the clutch pedal goes to the floor.....could barely get into gear. Checking of the reservoir leads me to discover no fluid.....none.....bone dry. Addition of fluid regains clutch pressure. All is well in defender world.
3 days ago while trying to find a certain rattle that's been driving me nuts, I notice some burnt up drips of something on the cat. I pay this tell tale sign of leakage no mind. While heading to the office this morning no clutch pressure again....had to turn around and switch cars.....luckily I keep a spare on hand. Now as I recall on several occasions over the last couple of weeks I have smelt some burning but was unable to tell what it was. So the question is this, (sorry for the long post I'm venting) before I go out and replace master and slave cylinders and the clutch lines is there a way to find this leak??
My garage floor is dry, in that area anyway, and it seems to my weak powers of deduction that this leak only presents itself when the engine/fluid gets hot. Even when the engine is hot and I pull into the garage there is not fluid on the floor. So do I play parts changer or mechanic this weekend???
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