I stupidly installed good used parts in this case....
 : /

-Craig

On Fri, Apr 26, 2013 at 1:52 PM, <mcneely4@cox.net> wrote:

> Craig, your master cylinder is exhibiting "bypass."  The piston is worn or
> the cylinder itself is worn, and allows fluid to bypass the piston.  The
> pump-up phenomenon is characteristic, as the parts expand a bit with
> frictional heating, or so I have been told.  At any rate, the symptom is
> classic.
>
> The part should be warranted by the seller.  A bad new part is not unheard
> of.
>
> mcneely
>
> ---- Craig Cowan <phishman068@GMAIL.COM> wrote:
> > Hey gang.
> > Last summer I had a problem with my master cylinder in my syncro, or so I
> > thought. The pedal would "Sometimes" go all the way to the floor but
> could
> > pump up to build pressure. Other times it would work fine.
> > Anyway, I replaced the master cylinder, bled the system and all was well.
> >
> > Well now about 1000 miles later, i've got the same symptoms occurring.
> The
> > fluid level has not gone down, so I don't have a leak. It feels as though
> > something has blown out and is allowing a piston somewhere in the system
> to
> > move freely. I'm thinking it's the master again, but it sure is weird to
> > kill two as quickly as I have.
> >
> > Any thoughts?
> > When the pedal works, it's firm and functional. But sometimes I get a
> firm
> > pedal, and while keeping my foot on the pedal it slowly moves towards the
> > floor.
> >
> > -Craig Cowan
>
> --
> David McNeely
>