On the clutch thing. If there was some kind of burr or rust pit near the
end of the travel in the slave cylinder, the rubber cup might not leak
fluid, but as the cup returned to rest, it might deform and suck air. Only
after repeated use would it suck enough air to cause a loss in performance.
David Riker
74 Midget
63 Falcon
70 Torino
http://home.pacbell.net/davriker
----- Original Message -----
From "William M. Gilroy" <wmgilroy at avaya.com>
Cc: "'Frank Clarici'" <spritenut@Exit109.com>; "Spridgets@Autox. Team. Net
(E-mail)" <spridgets@autox.team.net>
Sent: Tuesday, December 19, 2000 8:00 AM
Subject: Re: More troubles (clutch)
> Toby Atwater wrote:
> >
> > The only "logical" idea is that it must be heat related. Have you tried
> > doing the same test with the engine running but not rolling? I would
> > manouver around a parking lot to see if the clutch "lasts longer" rather
> > than just driving around. That's about all I can think of. maybe some
small
> > crack or something expanding as it heats up letting air in. Wild shot,
but
> > you never know.
> >
>
>
> Or it could be vibration related. The tranny would have just a bit
> of torque roll. I wonder if it would shift longer if you just got
> it up to speed and stayed there, sort of like a long run down 37,
> ignoring the lights. Or run the car for 30 minutes in the drive way
> and see how the clutch functions. Not sure what you would learn from
> this.
>
> If something is going to let air into the systems will it also let fluid
> out? I am thinking (now this gets dangerous) the pipe between the
> master and slave cylinder is always under a positive pressure. Either the
> master is pushing fluid or the slave is pushing it back. For air to
> enter you would need a negative pressure so the air could be suck into
> the system. Is there any validity to this idea? Just thinking out loud.
>
> Gilroy
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