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Re: [TR] Clutch Master Cylinder?

Subject: Re: [TR] Clutch Master Cylinder?
From: "Randall" <TR3driver@ca.rr.com>
Date: Tue, 31 Mar 2015 20:50:58 -0700
Cc: "'Triumphs'" <Triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Thread-index: AdBsLAOw06a7ZW8zRTeF+rRhRTMMXgAAs5XA
> I would suspect that the seal at the end of the piston 
> assembly is leaking - a common failure that results in 
> ineffective clutch but no leaking fluid.  That seal is what 
> is supposed to keep fluid (fluif) from being pushed back into 
> the reservoir (and thus causes pressure to move the slave).  
> Item 28 in this drawing:
> 
> http://www.revingtontr.com/CatalogueImages/TR4/W.jpg
> 
> The seal (like a little cap) is a part of the usual rebuild kit.

I agree entirely.  If you do choose to rebuild, also check the flat area inside 
the MC around the exit hole (where the seal seats).
Corrosion or damage in that area can cause the seal to not do it's job.

-- Randall  


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