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<DIV>Michael,</DIV>
<DIV>Thank you</DIV>
<DIV>Yes agree, unfortunately this is not how they have built them.</DIV>
<DIV>Spoken at length with the manufacturer BCC in the UK. Of course they have
“never had this problem before”. Evidently this is a sort of generic calliper
design and used on numerous similar (minor mods for each marque) classic cars -
Jags, Morgans, Triumphs etc. Also spoke to Rawles who have installed several -
also with no problems.</DIV>
<DIV> </DIV>
<DIV>Anyhow, decided to try to eliminate the trapped air now that I understood
the problem much better.</DIV>
<DIV>Concocted some bits together, such that with my air supply, was able to
feed brake fluid (no air bubbles) at about 5-10 psi into an open bleed valve at
each calliper. Then also cracked open the pipe connection on the inside and let
some fluid escape. This must have got rid of the trapped air (not able to see as
too many bits to manage) and the brake pedal is now right up where it
should be. Phew what a saga ... !</DIV>
<DIV> </DIV>
<DIV>Also after doing some digging about bleeding in general, there is a lot to
be said for this “reverse bleeding” technique. It makes sense to try to force
the air upwards instead of using fluid pressure downwards. I had not heard of it
before and likely would have solved my issue. Lots of people swear by it and
reverse bleeding kits are sold. </DIV>
<DIV> </DIV>
<DIV>Many tkx</DIV>
<DIV>rg</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=michaelsalter@gmail.com
href="mailto:michaelsalter@gmail.com">Michael Salter</A> </DIV>
<DIV><B>Sent:</B> Monday, July 4, 2016 7:22 PM</DIV>
<DIV><B>To:</B> <A title=roggrace@telus.net
href="mailto:roggrace@telus.net">Roger Grace</A> </DIV>
<DIV><B>Cc:</B> <A title=bce257@yahoo.co.nz
href="mailto:bce257@yahoo.co.nz">Andy Thorp</A> ; <A
title=healeys@autox.team.net href="mailto:healeys@autox.team.net">Healey
List</A> </DIV>
<DIV><B>Subject:</B> Re: [Healeys] BJ8 Brakes</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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<DIV class=gmail_default
style="FONT-SIZE: small; FONT-FAMILY: comic sans ms,sans-serif">Have to agree
with Andy,<BR></DIV>
<DIV class=gmail_default
style="FONT-SIZE: small; FONT-FAMILY: comic sans ms,sans-serif">Although one
cannot see exactly where the cross over pipe runs it "shuold run from the top of
the first side to the bottom of the second side otherwise as Andy pointed out
there would be no way to eliminate the air from the first (brake hose)
side.<BR></DIV>
<DIV class=gmail_default
style="FONT-SIZE: small; FONT-FAMILY: comic sans ms,sans-serif">Michael
S<BR></DIV>
<DIV class=gmail_default
style="FONT-SIZE: small; FONT-FAMILY: comic sans ms,sans-serif"> </DIV></DIV>
<DIV class=gmail_extra>
<DIV> </DIV>
<DIV class=gmail_quote>On Sun, Jul 3, 2016 at 1:31 PM, Roger Grace <SPAN
dir=ltr><<A href="mailto:roggrace@telus.net"
target=_blank>roggrace@telus.net</A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex">Yes
these are the beasts. Thanks for that Andy and to all for
numerous<BR>ideas.<BR>Yes, and given all the bleeding have done it hopefully
is the issue.<BR>This morning I took 3/4 of a jam jar (almost a reservoir) of
fluid out of<BR>each wheel; minimal air came out using a vacuum pump.<BR>Some
minor improvement and pedal now about an inch from floor on first pump<BR>and
car is ... maybe driveable.<BR>As I don't have a helper have to use this
technique; it took but 10 mins to bleed when I recently changed out my
booster; have also ordered some<BR>Russell Speed Bleeders.<BR><BR>Not quite
sure how to address this reverse bleeding procedure that
Andy<BR>suggests.<BR>I have a vacuum pump that have been using to bleed with
and it does not<BR>involve any pedal pumping.<BR>Was thinking of trying to
suck from the booster bleeder, from each calliper in turn -<BR>any thoughts
?<BR><BR>Tkx<BR>rg<BR><BR><BR><BR>-----Original Message----- From: Andy
Thorp<BR>Sent: Sunday, July 3, 2016 2:51 AM<BR>To: 'Healey
List'<SPAN><BR>Subject: Re: [Healeys] BJ8 Brakes<BR><BR></SPAN>If these are
the calipers in question then the reason for the problem is<BR>kind of
obvious- there is no way of getting air out of one half as it has to<BR>flow
downwards, then across the bottom pipe and up the other side. Any air<BR>stuck
in the bores behind the pistons will stay trapped there. Reverse<BR>bleeding
should clear it if the internal drillings are done sensibly.<BR><BR><A
href="https://www.ahspares.co.uk/product-images/fullsize/10a937bf-2288-4027-a5ec-2e753aadac6f-3.jpg"
rel=noreferrer
target=_blank>https://www.ahspares.co.uk/product-images/fullsize/10a937bf-2288-4027-a5ec-2e753aadac6f-3.jpg</A><BR><BR>Andy.<BR>--------------------------------------------<SPAN><BR>On
Sun, 3/7/16, Simon Lachlan <<A href="mailto:simon.lachlan@homecall.co.uk"
target=_blank>simon.lachlan@homecall.co.uk</A>> wrote:<BR><BR>Subject: Re:
[Healeys] BJ8 Brakes<BR></SPAN>To: "'Healey List'" <<A
href="mailto:healeys@autox.team.net"
target=_blank>healeys@autox.team.net</A>>, "'Roger Grace'"<BR><<A
href="mailto:roggrace@telus.net"
target=_blank>roggrace@telus.net</A>><BR>Received: Sunday, 3 July, 2016,
8:17 PM<SPAN><BR><BR>Bleeding brakes can drive you<BR></SPAN>crazy.See the
attached, from my BMC<SPAN><BR>manual. It addresses the question rather
neatly, suggesting<BR>that air may be drawn in at the end of the downward
push;<BR>for example, the threads on the bleeders may be
slightly<BR></SPAN>worn.The trick is to close the bleeder<SPAN><BR>100% before
the downward stroke ie, most important, while<BR></SPAN>fluid is still coming
out.A device such as A Gunson’s<BR>Eezibleed will mange that OK.The pdf’s
first line may seem a<SPAN><BR>little strange......it’s a note addressed to
myself. The<BR>relevant paragraph is not in my pdf version of the
manual<BR>for some reason so I added it as a reminder.Good
luck,Simon<BR></SPAN><SPAN>_______________________________________________<BR>Support
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clear=all><BR>-- <BR>
<DIV class=gmail_signature data-smartmail="gmail_signature">
<DIV dir=ltr>
<DIV>
<DIV dir=ltr><I><FONT size=2><SPAN style="COLOR: black">If you can't fix it with
a hammer, you've got an electrical problem.</SPAN></FONT></I><BR><BR>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV></DIV></DIV></DIV></DIV></DIV><A></A>
<P align=left color="#000000" avgcert??>No virus found in this
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