If these are the calipers in question then the reason for the problem is kind
of obvious- there is no way of getting air out of one half as it has to flow
downwards, then across the bottom pipe and up the other side. Any air stuck in
the bores behind the pistons will stay trapped there. Reverse bleeding should
clear it if the internal drillings are done sensibly.
https://www.ahspares.co.uk/product-images/fullsize/10a937bf-2288-4027-a5ec-2e753aadac6f-3.jpg
Andy.
--------------------------------------------
On Sun, 3/7/16, Simon Lachlan <simon.lachlan@homecall.co.uk> wrote:
Subject: Re: [Healeys] BJ8 Brakes
To: "'Healey List'" <healeys@autox.team.net>, "'Roger Grace'"
<roggrace@telus.net>
Received: Sunday, 3 July, 2016, 8:17 PM
Bleeding brakes can drive you
crazy.See the attached, from my BMC
manual. It addresses the question rather neatly, suggesting
that air may be drawn in at the end of the downward push;
for example, the threads on the bleeders may be slightly
worn.The trick is to close the bleeder
100% before the downward stroke ie, most important, while
fluid is still coming out.A device such as A Gunsonâ??s
Eezibleed will mange that OK.The pdfâ??s first line may seem a
little strange......itâ??s a note addressed to myself. The
relevant paragraph is not in my pdf version of the manual
for some reason so I added it as a reminder.Good luck,Simon
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