I am doing the same job on my 76. You have to put break fluid on the seals
and wiggle the plastic housing down into the seals.
I have been fooling with mine for quite some time now. I put new seals in
mine, used scotch brite to hone the interior of the cylinder lightly, and I
still can't get it to work. Looks like mine will require boring and a
sleeve. So, you should bench test it before you get too carried away. I
put two short lines from the outlets to the reservoir . On mine, I keep
getting air and very little break fluid. If you can't get it to pump fluid
on the bench, don't bother putting it into the car. These things are
simple, no valves, just ports and seals. I am re-building my second one
now. I will check out apple hydraulics in New York to see how much for a
re-build.
-----Original Message-----
From: owner-spitfires@autox.team.net
[mailto:owner-spitfires@autox.team.net]On Behalf Of Mike Nelson
Sent: Tuesday, March 13, 2001 8:20 PM
To: spitfires@autox.team.net
Subject: Brake Master Cylinder
Help.. I'm reassembling the brake master cylinder after a rebuild. All was
going well, pistons reinserted with new seals, all buttoned up tight. THEN,
I'm attempting to reattach the plastic reservoir to the top... ('79 Spit
with tandem cylinder, small cap on bottle) and after replacing the two seals
between the plastic reservoir and cylinder, and I can't compress the seals
enough to slide the two pins through. And to make matters worse, one of the
plastic holes the pins pass through got stretched open.. (yes I did that) it
didn't break, but is weakened for sure.
HOW DO I INSERT THESE PINS without creating further damage, and secondly,
should I replace the plastic reservoir? Please help!
Mike Nelson
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