master cylinder leaking in cab? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-28-2012
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Icon5 master cylinder leaking in cab?

so today i noticed that there was a puddle of fluid under my clutch peddle in the cab and poked my head under the dash to see where it was coming from. i dont know all the component names here so forgive me if im calling things something they arent, but it seems that the part that the linkage/plunger goes into is leaking at the bottom side that locks into the mettle bracket. just need to know what part/parts need to be replaced. see pics for a better understanding of what im looking at. thnx for the help guys.



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master cylinder leaking in cab?-d1942a83.jpg   master cylinder leaking in cab?-da3465a7.jpg  
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Old 03-28-2012
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This may be a bit hard to explain, but that white rod is attached to a pivot, which is attached to your clutch peddle. That rod pushes in when you clutch to force fluid into the slave.
on that valve (the black part) is two O rings, i think the inner O-ring let loose.
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Old 03-28-2012
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i kinda assumed that there was an o-ring or some sort of seal that let go. is it a simple matter of replacing an o-ring or the whole part? also, could the fluid leaking cause a softish clutch peddle? it feels all soft for a while now but no matter how hard i try i can make the clutch slip. now that this is leaking its got my hopes up that i might not have to replace slave and clutch... yet
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Old 03-28-2012
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I'm sure it has some effect to making the Clutch soft.
I don't even know if you can replace just that part. you might need to ask the parts guy if they sell just that.
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Old 03-28-2012
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well i already got a quote for a new master cyldiner ($97.00) but would replacing the master cylinder replace that part? if its relevant the brake fluid leaking is very dirty so i assume you that could have damaged the seal?
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Old 03-28-2012
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No, that part won't get replaced. however while the cylinder is off, you can probably change the part.
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Old 03-28-2012
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ok thnx. do you (or anyone else) know what part this is? that way i can call and ask for a quote without sounding like a retard trying to explain it haha
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Old 03-28-2012
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It would appear that the Clutch Master Cylinder blew the rear seal. I don't believe they sell rebuild kits for it.

Here's a pic of the part in question




Here's a video that might help

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Old 03-28-2012
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thanks Rev. that video cleared things up as to what i was looking at and exactly where the leak is coming from. it seems simple enough to change the master cylinder, just a little cramped in there haha. i changed one in my girlfriends 4cl yj back when she had it but theres a mile of room to work on that thing. i seem to recall it being different than this to put in to. i just hope i can keep mine going for a little while anyways. thanks for everyones help!
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Old 03-28-2012
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Yea, i knew how it worked, but i can't explain it very well.
Good thing Rev knows his stuff.
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Old 03-28-2012
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haha well between the two of you i pretty well got it figured now.
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