If you are using regular dot 3 or 4 fluid that could be your problem.
Regular american brake fluid has a tendancy to disolve the rubber seals in
brittish cars. Try flushing out your hydraulics with castrol fluid after
your rebuild. castrol fluid will not disolve your seals. I work in a small
shop and whenever we see black gritty fluid in someones hydraulics we ask
them what kind of fluid they use. Invariably they answer regular dot3 fluid,
not castrol.
Tod Jones
Harrisonburg VA.
67 Spitfire Mk II
----- Original Message -----
From: "Luke Lewis" <lukage@rogers.com>
To: "Spit List" <spitfires@autox.team.net>
Sent: Thursday, October 10, 2002 7:55 AM
Subject: Clutch master spring
> Greetings all,
>
> After a GREAT summer as my daily driver (With a total of just 5 or 6
days
> with the top up), old Fireball has finally let me down. The spring inside
the
> clutch master cylinder grenaded on me this past week, leaving the clutch
> ALMOST completely inoperative.
> The symptoms and evidence led me to believe that maybe a contaminant
had
> managed to get into the clutch hydraulics (The fluif was dark and had an
odd
> grit in it, plus the top seal has shrunk and warped a bit) and made the
main
> seal swell and jam up in the bore (The piston wasn't coming all the way
out,
> leaving about 1/2" of actual clutch action waaaay down at the end of the
> travel) but when I took 'er apart I found four pieces of spring in there,
> where there used to be one nice springy spring.
>
> So, does anyone know of a source for this oddball piece? I would really
> rather avoid getting a whole new master cylinder (Or taking the one off
the
> other car) for want of one little spring!
>
> Luke
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