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Matco cylinder leak

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fusionfab

Well-Known Member
Joined
May 16, 2012
Messages
91
Location
southern ontario canada
Hey everyone just looking for some insight on this. I have rerun new lines and fittings on the brakes. Filled with fluid until leaking out the "SHCS" on the top reservoir cover, bled the brakes and they are working nice and solid. However every few depressions of the pedal I'm hearing the slightest of leaks. I look and see that a very small amount is leaking between the shaft and the center collar. Picture attached. I've been looking at the diagram and there doesn't seem to be a seal at this location inside the reservoir just the outer o-ring. Would this indicate something is worn? Or too much fluid in the reservoir? It's doing this identically on both cylinders.
Any help is appreciated. Thanks
 

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