Hi Steve,
The '68 and '72 MGBs have brake master cylinders that are difficult to
rebuild and not continue leaking. Several in my '72 have leaked, rebuilt, new,
new and rebuilt new. Finally I had White Post sleeve a new one. There is not
much paint around the MCs.
The sleeved new MC does not leak during warm weather, when I drive the car
regularly. During the snow and salt season, it does leak a little.
My experience with my TD is that DOT 5 leaked whereas the DOT 3 that it
replaced did not leak. Having spoiled several sets of brake shoes, I had White
Post sleeve all wheel cylinders, and leaks stopped.
I also think that the answer is to drive the cars more, and to change fluid
every couple of years.
Bob
---------- Original Message ----------
From: daybell7@aol.com
To: mgs@autox.team.net
Subject: [Mgs] Hydraulics
Date: Thu, 9 Jun 2011 15:27:43 -0400 (EDT)
MG'ers,
My cars will leak (and sometimes dump) hydraulic fluid from the brake, clutch
master cylinders, and clutch slave cylinders when sitting in the garage
regardless of the age of the component. It seems I am always rebuiding or
replacing the units. Many times if I pump the pedal and drive the problem
disappears.
I use DOT 3/4 brake fluid, and was wondering if a switch to DOT 5 would
minimize the leaking? I think the real answer is to drive the cars more.
Thanks in advance.
Steve Hughes
Gainesville, FL
68 BGT
72 MGB
73 TR6
59 Morris Minor
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