It's been 6 years since I rebuilt the brake m/c in my 73 GT (the same one
as you are doing) and don't recall having any problems taking it apart,
even getting the spacer out (I think I used a dental tool). The cir-clips
can be a problem and I did buy a good quality set of cir-clip pliers (with
long nose) which made getting the clips out easy.
As David said, you have to get the guts out before you can assess the
condition of the cylinder bore, fortunately mine was rebuildable.
There are several good m/c rebuilds, who can resleeve the cylinder in brass
or stainless steel, another option if you don't want to buy new.
Personally I think resleeving in stainless steel is a good idea, should be
a permanent fix in terms of the bore.
Mark
73 MGBGT
80 Spitfire
Date: Wed, 22 Aug 2007 15:40:01 -0600
From: "Councill, David" <dcouncill@msubillings.edu>
Subject: Re: [Mgs] Advice wanted on MGB Brake Master Cylinder
I recall cutting it with a small, sharp edged flat screwdriver to get it
out. But once you get past that
obstacle, Kelvin mentions the next dreaded step - the clip. It's a bit
tricky to get the clip ring pressed (due to being deep in the bore) so it
comes out of its groove.
It's a tough job the first time you do one, but after that you know what
you face and you get a bit better at getting the spacer and the clip out.
Then there is always the chance that once you get it apart, you
realize that the bore has corrosion or rough spots. Then you would have to
end up buying a new master cylinder anyway and all that time would be
wasted.
Otherwise, besides the spacer and the snap ring, its pretty straight
forward.
David Councill
67 BGT
72 B
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