Curt
I don't know how much experience you have with aluminum cylinders
but honing is not exactly the right word for fixing them. Aluminum
cylinders need to be polished to a mirror finish to work correctly and there
can be no pit in the surface. If there are pits then they need to be
sleeved with brass or stainless steel.
IMO you should try to save the old parts if at all possible. Put
the cylinder in a can of motor oil and let it set for a couple of weeks then
see if it will come apart, if not put it back in the oil, repeat until it
comes apart. You have nothing to loose here since you have new cylinders
on order.
Good luck with your project.
Happy Holidays
Ron Fraser
-----Original Message-----
From: owner-tigers@Autox.Team.Net [mailto:owner-tigers@Autox.Team.Net] On
Behalf Of Curt
Sent: Sunday, December 19, 2004 5:22 PM
To: Tiger
Subject: Brake Mystery solved
Well, like all good mysteries, this one has a simple answer once you get all
the pieces.
The PO had said the hydraulics were all gone through and I apparently added
to that with a false memory that the rear cylinders were new.Turns out that
was a memory from my TR6.
Anyway, once I got the drums off- no small feat when the brakes are fully
locked up, it became apparent there was nothing new in there. No rust to
speak of and the flex hoses did look new so some of the ideas offered up
didn't look like good endpoints.
So, I removed the cylinders and voila. Both were bound up like only 10 years
of sitting still can do for you. Both had apparently only moved enough in
their recent life to jam the brakes but were not about to agree to go the
other way. I broke one free and could clean it out and I briefly toyed with
the idea of just honing it out and replacing. The other one I couldn't move
the piston with a hammer and couldn't get it out at all. So, out comes the
catalog and I will order new cylinders. Already have a new master on it
which started this mess. The old one wasn't working so never had a chance to
lock up the brakes. Will inspect the front now too since there must be
corrosion there too. Still don't know how the guy drove the car to my house.
He's still shaking.
Thanks for all your tips. Once I get the brakes working I'll come back with
the clutch / transmission problem : )
Curt Hoffman
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