Subject: Re: [Healeys] BN1 brake system

From: Alan Seigrist <[email-masked]>
Date: Wed, 31 Aug 2022 19:23:37 +0800

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Actually - part of the problem is the BN1 and some BN2 bleeder valves
originally had a separate ball inside the slave=E2=80=99s bleeder which the=
 little
ball sealed the system.  Over the years i=E2=80=99m sure that ball has been=
 lost
and maybe you think the bleed screw is sealing the slave when it really
isn=E2=80=99t until it=E2=80=99s fully cinched.  That also can contribute t=
o the inability
to get a firm pedal.

Cheers,

Alan

On Wed, 31 Aug 2022 at 4:16 PM, Simon Lachlan via Healeys <
[email-masked]> wrote:

> Yes, for sure, an Eezibleeder helps. Keep the air pressure down, maybe a
> bit less than suggested in the destructions.
>
> Otherwise, see this, below, from one of my manuals. (Curiously, not in al=
l
> of them).
>
> =E2=80=9C=E2=80=9CIf the bleeding of any cylinder continues without succe=
ss for a
> considerable time, it is possible that air is being drawn in past the
> bleeder screw threads. In such cases tighten the bleeder screw at the end
> of each downward stroke* of the pedal and allow the pedal to return fully
> before re-opening it. Close the bleeder screw finally during the last
> pedal application.=E2=80=9D
>
> *ie to prevent air being drawn in during the upward passage of the pedal.
> (SDL 14/08/2019)=E2=80=9D
>
> I suppose that, the brakes being old, the threads get worn and let air
> back in as the pedal goes back up. So, I tighten the bleeder as the fluid
> is still coming out, ie before the downward stroke is finished. Slows the
> process up somewhat and tries the patience of ones wifely assistant.
>
> Good luck anyhow.
>
> Simon
>
>
>
>
>
> *From:* Healeys <[email-masked]> *On Behalf Of *David
> Leong via Healeys
> *Sent:* 31 August 2022 06:19
> *To:* 'Healey List ([email-masked])' <[email-masked]>
> *Subject:* Re: [Healeys] BN1 brake system
>
>
>
> Use a power pressure bleeder (I have a Motive Bleeder) and tap on the
> slaves to loosen any air bubbles. Make sure there are no high spots where
> air can get trapped and not be purged out of the bleeder screw
>
>
>
>
>
> *Dave*
>
>
>
> *From:* Healeys <[email-masked]> *On Behalf Of *warthodso=
n---
> via Healeys
> *Sent:* Tuesday, August 30, 2022 5:27 PM
> *To:* [email-masked]
> *Subject:* [Healeys] BN1 brake system
>
>
>
> We have been trying for several months to bleed the brakes on RHD BN1, to
> no avail. The car has been professionally restored & appears to be in
> excellent condition. Today, we tried again to bleed the system following
> the shop manual. I.E. backing off the adjusters on the front & back &
> bleeding & then readjusting the brakes. The results were the same. There
> seems to be an excessively large amount of pedal travel before the brakes
> are engaged & when engaged they feel "spongy". We have access to 2 other
> 100's for reference. Any help would be greatly appreciated. Also, we are
> not clear on the adjustment of the free play of the master cylinder.
>
> Gary Hodson
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
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>
> Archive: http://www.team.net/pipermail/healeys
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>

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<div dir=3D"auto">Actually - part of the problem is the BN1 and some BN2 bl=
eeder valves originally had a separate ball inside the slave=E2=80=99s blee=
der which the little ball sealed the system.=C2=A0 Over the years i=E2=80=
=99m sure that ball has been lost and maybe you think the bleed screw is se=
aling the slave when it really isn=E2=80=99t until it=E2=80=99s fully cinch=
ed.=C2=A0 That also can contribute to the inability to get a firm pedal. =
=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto">Cheers,</div><div=
 dir=3D"auto"><br></div><div dir=3D"auto">Alan</div><div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, 31 Aug 2022 at 4=
:16 PM, Simon Lachlan via Healeys &lt;<a href=3D"mailto:[email-masked].=
net">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-l=
eft-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div l=
ang=3D"EN-GB" link=3D"#0563C1" vlink=3D"#954F72"><div class=3D"m_-904888934=
0569780999WordSection1"><p class=3D"MsoNormal"><span style=3D"font-size:11p=
t;font-family:Calibri,sans-serif">Yes, for sure, an Eezibleeder helps. Keep=
 the air pressure down, maybe a bit less than suggested in the destructions=
.<u style=3D"font-family:Calibri,sans-serif"></u><u style=3D"font-family:Ca=
libri,sans-serif"></u></span></p><p class=3D"MsoNormal"><span style=3D"font=
-size:11pt;font-family:Calibri,sans-serif">Otherwise, see this, below, from=
 one of my manuals. (Curiously, not in all of them).<u style=3D"font-family=
:Calibri,sans-serif"></u><u style=3D"font-family:Calibri,sans-serif"></u></=
span></p><p class=3D"m_-9048889340569780999MsoBodyText" style=3D"margin-rig=
ht:13.55pt;margin-left:5.95pt;margin-bottom:0.0001pt"><span lang=3D"EN-US" =
style=3D"font-size:11pt;font-family:Calibri,sans-serif">=E2=80=9C</span><sp=
an lang=3D"EN-US">=E2=80=9CIf<span style=3D"letter-spacing:-0.25pt"> </span=
>the<span style=3D"letter-spacing:-0.25pt"> </span><span style=3D"letter-sp=
acing:-0.05pt">bleeding</span><span style=3D"letter-spacing:-0.2pt"> </span=
>of<span style=3D"letter-spacing:-0.25pt"> </span>any<span style=3D"letter-=
spacing:-0.25pt"> </span>cylinder<span style=3D"letter-spacing:-0.25pt"> </=
span>continues<span style=3D"letter-spacing:-0.3pt"> </span><span style=3D"=
letter-spacing:-0.05pt">without</span><span style=3D"letter-spacing:-0.2pt"=
> </span><span style=3D"letter-spacing:-0.05pt">success</span><span style=
=3D"letter-spacing:-0.25pt"> </span>for<span style=3D"letter-spacing:-0.25p=
t"> </span>a<span style=3D"letter-spacing:-0.2pt"> </span><span style=3D"le=
tter-spacing:-0.05pt">considerable</span><span style=3D"letter-spacing:-0.2=
5pt"> </span><span style=3D"letter-spacing:-0.05pt">time,</span><span style=
=3D"letter-spacing:-0.25pt"> </span>it<span style=3D"letter-spacing:-0.2pt"=
> </span>is<span style=3D"letter-spacing:3.05pt"> </span>possible<span styl=
e=3D"letter-spacing:-0.25pt"> </span>that<span style=3D"letter-spacing:-0.2=
5pt"> </span>air<span style=3D"letter-spacing:-0.2pt"> </span>is<span style=
=3D"letter-spacing:-0.25pt"> </span>being<span style=3D"letter-spacing:-0.2=
5pt"> </span>drawn<span style=3D"letter-spacing:-0.2pt"> </span>in<span sty=
le=3D"letter-spacing:-0.25pt"> </span>past<span style=3D"letter-spacing:-0.=
25pt"> </span>the<span style=3D"letter-spacing:-0.2pt"> </span><span style=
=3D"letter-spacing:-0.05pt">bleeder</span><span style=3D"letter-spacing:-0.=
25pt"> </span><span style=3D"letter-spacing:-0.05pt">screw</span><span styl=
e=3D"letter-spacing:-0.2pt"> </span>threads.<span style=3D"letter-spacing:-=
0.2pt"> </span>In<span style=3D"letter-spacing:-0.2pt"> </span><span style=
=3D"letter-spacing:-0.05pt">such</span><span style=3D"letter-spacing:-0.2pt=
"> </span>cases<span style=3D"letter-spacing:-0.2pt"> </span>tighten<span s=
tyle=3D"letter-spacing:1.4pt"> </span>the<span style=3D"letter-spacing:-0.2=
5pt"> </span>bleeder<span style=3D"letter-spacing:-0.15pt"> </span><span st=
yle=3D"letter-spacing:-0.05pt">screw</span><span style=3D"letter-spacing:-0=
.2pt"> </span>at<span style=3D"letter-spacing:-0.2pt"> </span>the<span styl=
e=3D"letter-spacing:-0.2pt"> </span>end<span style=3D"letter-spacing:-0.2pt=
"> </span>of<span style=3D"letter-spacing:-0.25pt"> </span>each<span style=
=3D"letter-spacing:-0.2pt"> </span>downward<span style=3D"letter-spacing:-0=
.2pt"> </span>stroke*<span style=3D"letter-spacing:-0.15pt"> </span>of<span=
 style=3D"letter-spacing:-0.15pt"> </span>the<span style=3D"letter-spacing:=
-0.2pt"> </span>pedal<span style=3D"letter-spacing:-0.2pt"> </span>and<span=
 style=3D"letter-spacing:-0.2pt"> </span><span style=3D"letter-spacing:-0.0=
5pt">allow</span><span style=3D"letter-spacing:-0.2pt"> </span>the<span sty=
le=3D"letter-spacing:-0.2pt"> </span>pedal<span style=3D"letter-spacing:-0.=
15pt"> </span>to<span style=3D"letter-spacing:1.3pt"> </span>return<span st=
yle=3D"letter-spacing:-0.35pt"> </span>fully<span style=3D"letter-spacing:-=
0.3pt"> </span>before<span style=3D"letter-spacing:-0.3pt"> </span>re-openi=
ng<span style=3D"letter-spacing:-0.25pt"> </span>it.<span style=3D"letter-s=
pacing:-0.35pt"> </span>Close<span style=3D"letter-spacing:-0.3pt"> </span>=
the<span style=3D"letter-spacing:-0.3pt"> </span><span style=3D"letter-spac=
ing:-0.05pt">bleeder</span><span style=3D"letter-spacing:-0.25pt"> </span><=
span style=3D"letter-spacing:-0.05pt">screw</span><span style=3D"letter-spa=
cing:-0.3pt"> </span><span style=3D"letter-spacing:-0.05pt">finally</span><=
span style=3D"letter-spacing:-0.25pt"> </span><span style=3D"letter-spacing=
:-0.05pt">during</span><span style=3D"letter-spacing:-0.25pt"> </span>the<s=
pan style=3D"letter-spacing:-0.3pt"> </span>last<span style=3D"letter-spaci=
ng:-0.35pt"> </span><span style=3D"letter-spacing:-0.05pt">pedal</span><spa=
n style=3D"letter-spacing:1.2pt"> </span><span style=3D"letter-spacing:-0.0=
5pt">application.=E2=80=9D<u></u><u></u></span></span></p><p class=3D"m_-90=
48889340569780999MsoBodyText" style=3D"margin-right:13.55pt;margin-left:5.9=
5pt;margin-bottom:0.0001pt"><span lang=3D"EN-US" style=3D"letter-spacing:-0=
.05pt">*ie to prevent air being drawn in during the upward passage of the p=
edal. (SDL 14/08/2019)=E2=80=9D<u></u><u></u></span></p><p class=3D"m_-9048=
889340569780999MsoBodyText" style=3D"margin-right:13.55pt;margin-left:5.95p=
t;margin-bottom:0.0001pt"><span lang=3D"EN-US">I suppose that, the brakes b=
eing old, the threads get worn and let air back in as the pedal goes back u=
p. So, I tighten the bleeder as the fluid is still coming out, ie before th=
e downward stroke is finished. Slows the process up somewhat and tries the =
patience of ones wifely assistant.<u></u><u></u></span></p><p class=3D"m_-9=
048889340569780999MsoBodyText" style=3D"margin-right:13.55pt;margin-left:5.=
95pt;margin-bottom:0.0001pt"><span lang=3D"EN-US">Good luck anyhow.<u></u><=
u></u></span></p><p class=3D"m_-9048889340569780999MsoBodyText" style=3D"ma=
rgin-right:13.55pt;margin-left:5.95pt;margin-bottom:0.0001pt"><span lang=3D=
"EN-US">Simon<u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D=
"font-size:11pt;font-family:Calibri,sans-serif"><u style=3D"font-family:Cal=
ibri,sans-serif"></u>=C2=A0<u style=3D"font-family:Calibri,sans-serif"></u>=
</span></p><p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-family=
:Calibri,sans-serif"><u style=3D"font-family:Calibri,sans-serif"></u>=C2=A0=
<u style=3D"font-family:Calibri,sans-serif"></u></span></p><div><div style=
=3D"border-style:solid none none;border-top-width:1pt;padding:3pt 0cm 0cm;b=
order-top-color:rgb(225,225,225)"><p class=3D"MsoNormal"><b><span lang=3D"E=
N-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif">From:</span><=
/b><span lang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-se=
rif"> Healeys &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank" style=3D"font-family:Calibri,sans-serif">healeys-bounces@autox.=
team.net</a>&gt; <b style=3D"font-family:Calibri,sans-serif">On Behalf Of <=
/b>David Leong via Healeys<br><b style=3D"font-family:Calibri,sans-serif">S=
ent:</b> 31 August 2022 06:19<br><b style=3D"font-family:Calibri,sans-serif=
">To:</b> &#39;Healey List (<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank" style=3D"font-family:Calibri,sans-serif">[email-masked]=
t</a>)&#39; &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank"=
 style=3D"font-family:Calibri,sans-serif">[email-masked]</a>&gt;<br=
><b style=3D"font-family:Calibri,sans-serif">Subject:</b> Re: [Healeys] BN1=
 brake system<u style=3D"font-family:Calibri,sans-serif"></u><u style=3D"fo=
nt-family:Calibri,sans-serif"></u></span></p></div></div><p class=3D"MsoNor=
mal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><span lang=3D"EN-US" st=
yle=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=
Use a power pressure bleeder (I have a Motive Bleeder) and tap on the slave=
s to loosen any air bubbles. Make sure there are no high spots where air ca=
n get trapped and not be purged out of the bleeder screw<u style=3D"font-fa=
mily:Calibri,sans-serif"></u><u style=3D"font-family:Calibri,sans-serif"></=
u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size=
:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u style=3D"font=
-family:Calibri,sans-serif"></u>=C2=A0<u style=3D"font-family:Calibri,sans-=
serif"></u></span></p><div><p class=3D"MsoNormal"><span lang=3D"EN-US" styl=
e=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u=
 style=3D"font-family:Calibri,sans-serif"></u>=C2=A0<u style=3D"font-family=
:Calibri,sans-serif"></u></span></p><p class=3D"MsoNormal"><b><i><span lang=
=3D"EN-US" style=3D"font-size:20pt;font-family:&quot;Brush Script MT&quot;;=
color:rgb(38,38,212)">Dave</span></i></b><span lang=3D"EN-US" style=3D"font=
-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u style=3D=
"font-family:Calibri,sans-serif"></u><u style=3D"font-family:Calibri,sans-s=
erif"></u></span></p></div><p class=3D"MsoNormal"><span lang=3D"EN-US" styl=
e=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u=
 style=3D"font-family:Calibri,sans-serif"></u>=C2=A0<u style=3D"font-family=
:Calibri,sans-serif"></u></span></p><div><div style=3D"border-style:solid n=
one none;border-top-width:1pt;padding:3pt 0cm 0cm;border-top-color:rgb(225,=
225,225)"><p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size=
:11pt;font-family:Calibri,sans-serif">From:</span></b><span lang=3D"EN-US" =
style=3D"font-size:11pt;font-family:Calibri,sans-serif"> Healeys &lt;<a hre=
f=3D"mailto:[email-masked]" target=3D"_blank" style=3D"font=
-family:Calibri,sans-serif">[email-masked]</a>&gt; <b style=
=3D"font-family:Calibri,sans-serif">On Behalf Of </b>warthodson--- via Heal=
eys<br><b style=3D"font-family:Calibri,sans-serif">Sent:</b> Tuesday, Augus=
t 30, 2022 5:27 PM<br><b style=3D"font-family:Calibri,sans-serif">To:</b> <=
a href=3D"mailto:[email-masked]" target=3D"_blank" style=3D"font-fa=
mily:Calibri,sans-serif">[email-masked]</a><br><b style=3D"font-fam=
ily:Calibri,sans-serif">Subject:</b> [Healeys] BN1 brake system<u style=3D"=
font-family:Calibri,sans-serif"></u><u style=3D"font-family:Calibri,sans-se=
rif"></u></span></p></div></div><p class=3D"MsoNormal"><span lang=3D"EN-US"=
><u></u>=C2=A0<u></u></span></p><div><div><p class=3D"MsoNormal"><span lang=
=3D"EN-US" style=3D"font-family:&quot;Comic Sans MS&quot;;color:black">We h=
ave been trying for several months to bleed the brakes on RHD BN1, to no av=
ail. The car has been professionally restored &amp; appears to be in excell=
ent condition. Today, we tried again to bleed the system following the shop=
 manual. I.E. backing off the adjusters on the front &amp; back &amp; bleed=
ing &amp; then readjusting the brakes. The results were the same. There see=
ms to be an excessively large amount of pedal travel before the brakes are =
engaged &amp; when engaged they feel &quot;spongy&quot;. We have access to =
2 other 100&#39;s for reference. Any help would be greatly appreciated. Als=
o, we are not clear on the adjustment of the free play of the master cylind=
er. <u style=3D"font-family:&quot;Comic Sans MS&quot;"></u><u style=3D"font=
-family:&quot;Comic Sans MS&quot;"></u></span></p><div><p class=3D"MsoNorma=
l"><span lang=3D"EN-US" style=3D"font-family:&quot;Comic Sans MS&quot;;colo=
r:black">Gary Hodson=C2=A0 =C2=A0<u style=3D"font-family:&quot;Comic Sans M=
S&quot;"></u><u style=3D"font-family:&quot;Comic Sans MS&quot;"></u></span>=
</p></div></div></div></div></div>_________________________________________=
______<br>
rer" target=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
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ttp://autox.team.net/archive/healeys" rel=3D"noreferrer" target=3D"_blank">=
http://autox.team.net/archive/healeys</a><br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a><br>
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</blockquote></div></div>

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_______________________________________________

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---

From: Bob Spidell <[email-masked]>
Date: Wed, 31 Aug 2022 07:48:03 -0700

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... but don't torque the snot out of the bleeder; I've seen bleeder 
holes where the seat of the bleeder 'needle' has been cracked due to 
excessive force, making the cylinder junk.

On 8/31/2022 1:00 AM, Simon Lachlan via Healeys wrote:
>
> Yes, for sure, an Eezibleeder helps. Keep the air pressure down, maybe 
> a bit less than suggested in the destructions.
>
> Otherwise, see this, below, from one of my manuals. (Curiously, not in 
> all of them).
>
> ““Ifthebleedingofanycylindercontinueswithoutsuccessforaconsiderabletime,itispossiblethatairisbeingdrawninpastthebleederscrewthreads.Insuchcasestightenthebleederscrewattheendofeachdownwardstroke*ofthepedalandallowthepedaltoreturnfullybeforere-openingit.Closethebleederscrewfinallyduringthelastpedalapplication.”
>
> *ie to prevent air being drawn in during the upward passage of the 
> pedal. (SDL 14/08/2019)”
>
> back in as the pedal goes back up. So, I tighten the bleeder as the 
> fluid is still coming out, ie before the downward stroke is finished. 
> Slows the process up somewhat and tries the patience of ones wifely 
> assistant.
>
> Good luck anyhow.
>
> Simon
>
> *From:*Healeys <[email-masked]> *On Behalf Of *David 
> Leong via Healeys
> slaves to loosen any air bubbles. Make sure there are no high spots 
> where air can get trapped and not be purged out of the bleeder screw
>
> */Dave/*
>
> *From:*Healeys <[email-masked]> *On Behalf Of 
> *warthodson--- via Healeys
> We have been trying for several months to bleed the brakes on RHD BN1, 
> to no avail. The car has been professionally restored & appears to be 
> in excellent condition. Today, we tried again to bleed the system 
> following the shop manual. I.E. backing off the adjusters on the front 
> & back & bleeding & then readjusting the brakes. The results were the 
> same. There seems to be an excessively large amount of pedal travel 
> before the brakes are engaged & when engaged they feel "spongy". We 
> have access to 2 other 100's for reference. Any help would be greatly 
> appreciated. Also, we are not clear on the adjustment of the free play 
> of the master cylinder.
>
> Gary Hodson
>
>

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    ... but don't torque the snot out of the bleeder; I've seen bleeder
    holes where the seat of the bleeder 'needle' has been cracked due to
    excessive force, making the cylinder junk.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 8/31/2022 1:00 AM, Simon Lachlan via
      Healeys wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email-masked]">
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      <div class="WordSection1">
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;mso-fareast-language:EN-US">Yes,
            for sure, an Eezibleeder helps. Keep the air pressure down,
            maybe a bit less than suggested in the destructions.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;mso-fareast-language:EN-US">Otherwise,
            see this, below, from one of my manuals. (Curiously, not in
            all of them).<o:p></o:p></span></p>
        <p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"
            lang="EN-US">“</span><span lang="EN-US">“If<span
              style="letter-spacing:-.25pt"> </span>the<span
              style="letter-spacing:-.25pt"> </span><span
              style="letter-spacing:-.05pt">bleeding</span><span
              style="letter-spacing:-.2pt"> </span>of<span
              style="letter-spacing:-.25pt"> </span>any<span
              style="letter-spacing:-.25pt"> </span>cylinder<span
              style="letter-spacing:-.25pt"> </span>continues<span
              style="letter-spacing:-.3pt"> </span><span
              style="letter-spacing:-.05pt">without</span><span
              style="letter-spacing:-.2pt"> </span><span
              style="letter-spacing:-.05pt">success</span><span
              style="letter-spacing:-.25pt"> </span>for<span
              style="letter-spacing:-.25pt"> </span>a<span
              style="letter-spacing:-.2pt"> </span><span
              style="letter-spacing:-.05pt">considerable</span><span
              style="letter-spacing:-.25pt"> </span><span
              style="letter-spacing:-.05pt">time,</span><span
              style="letter-spacing:-.25pt"> </span>it<span
              style="letter-spacing:-.2pt"> </span>is<span
              style="letter-spacing:3.05pt"> </span>possible<span
              style="letter-spacing:-.25pt"> </span>that<span
              style="letter-spacing:-.25pt"> </span>air<span
              style="letter-spacing:-.2pt"> </span>is<span
              style="letter-spacing:-.25pt"> </span>being<span
              style="letter-spacing:-.25pt"> </span>drawn<span
              style="letter-spacing:-.2pt"> </span>in<span
              style="letter-spacing:-.25pt"> </span>past<span
              style="letter-spacing:-.25pt"> </span>the<span
              style="letter-spacing:-.2pt"> </span><span
              style="letter-spacing:-.05pt">bleeder</span><span
              style="letter-spacing:-.25pt"> </span><span
              style="letter-spacing:-.05pt">screw</span><span
              style="letter-spacing:-.2pt"> </span>threads.<span
              style="letter-spacing:-.2pt"> </span>In<span
              style="letter-spacing:-.2pt"> </span><span
              style="letter-spacing:-.05pt">such</span><span
              style="letter-spacing:-.2pt"> </span>cases<span
              style="letter-spacing:-.2pt"> </span>tighten<span
              style="letter-spacing:1.4pt"> </span>the<span
              style="letter-spacing:-.25pt"> </span>bleeder<span
              style="letter-spacing:-.15pt"> </span><span
              style="letter-spacing:-.05pt">screw</span><span
              style="letter-spacing:-.2pt"> </span>at<span
              style="letter-spacing:-.2pt"> </span>the<span
              style="letter-spacing:-.2pt"> </span>end<span
              style="letter-spacing:-.2pt"> </span>of<span
              style="letter-spacing:-.25pt"> </span>each<span
              style="letter-spacing:-.2pt"> </span>downward<span
              style="letter-spacing:-.2pt"> </span>stroke*<span
              style="letter-spacing:-.15pt"> </span>of<span
              style="letter-spacing:-.15pt"> </span>the<span
              style="letter-spacing:-.2pt"> </span>pedal<span
              style="letter-spacing:-.2pt"> </span>and<span
              style="letter-spacing:-.2pt"> </span><span
              style="letter-spacing:-.05pt">allow</span><span
              style="letter-spacing:-.2pt"> </span>the<span
              style="letter-spacing:-.2pt"> </span>pedal<span
              style="letter-spacing:-.15pt"> </span>to<span
              style="letter-spacing:1.3pt"> </span>return<span
              style="letter-spacing:-.35pt"> </span>fully<span
              style="letter-spacing:-.3pt"> </span>before<span
              style="letter-spacing:-.3pt"> </span>re-opening<span
              style="letter-spacing:-.25pt"> </span>it.<span
              style="letter-spacing:-.35pt"> </span>Close<span
              style="letter-spacing:-.3pt"> </span>the<span
              style="letter-spacing:-.3pt"> </span><span
              style="letter-spacing:-.05pt">bleeder</span><span
              style="letter-spacing:-.25pt"> </span><span
              style="letter-spacing:-.05pt">screw</span><span
              style="letter-spacing:-.3pt"> </span><span
              style="letter-spacing:-.05pt">finally</span><span
              style="letter-spacing:-.25pt"> </span><span
              style="letter-spacing:-.05pt">during</span><span
              style="letter-spacing:-.25pt"> </span>the<span
              style="letter-spacing:-.3pt"> </span>last<span
              style="letter-spacing:-.35pt"> </span><span
              style="letter-spacing:-.05pt">pedal</span><span
              style="letter-spacing:1.2pt"> </span><span
              style="letter-spacing:-.05pt">application.”<o:p></o:p></span></span></p>
        <p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
            style="letter-spacing:-.05pt" lang="EN-US">*ie to prevent
            air being drawn in during the upward passage of the pedal.
            (SDL 14/08/2019)”<o:p></o:p></span></p>
        <p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
            lang="EN-US">I suppose that, the brakes being old, the
            threads get worn and let air back in as the pedal goes back
            up. So, I tighten the bleeder as the fluid is still coming
            out, ie before the downward stroke is finished. Slows the
            process up somewhat and tries the patience of ones wifely
            assistant.<o:p></o:p></span></p>
        <p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
            lang="EN-US">Good luck anyhow.<o:p></o:p></span></p>
        <p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
            lang="EN-US">Simon<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0cm 0cm 0cm">
            <p class="MsoNormal"><b><span
                  style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"
                  lang="EN-US">From:</span></b><span
                style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"
                lang="EN-US"> Healeys
                <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a> <b>On Behalf Of
                </b>David Leong via Healeys<br>
                <b>Sent:</b> 31 August 2022 06:19<br>
                <b>To:</b> 'Healey List (<a class="moz-txt-link-abbreviated" href="mailto:[email-masked]">[email-masked]</a>)'
                <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a><br>
                <b>Subject:</b> Re: [Healeys] BN1 brake system<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"
            lang="EN-US">Use a power pressure bleeder (I have a Motive
            Bleeder) and tap on the slaves to loosen any air bubbles.
            Make sure there are no high spots where air can get trapped
            and not be purged out of the bleeder screw<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"
            lang="EN-US"><o:p> </o:p></span></p>
        <div>
          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"
              lang="EN-US"><o:p> </o:p></span></p>
          <p class="MsoNormal"><b><i><span
                  style="font-size:20.0pt;font-family:&quot;Brush Script
                  MT&quot;;color:#2626D4" lang="EN-US">Dave</span></i></b><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"
              lang="EN-US"><o:p></o:p></span></p>
        </div>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"
            lang="EN-US"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0cm 0cm 0cm">
            <p class="MsoNormal"><b><span
                  style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"
                  lang="EN-US">From:</span></b><span
                style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"
                lang="EN-US"> Healeys &lt;<a
                  href="mailto:[email-masked]"
                  moz-do-not-send="true" class="moz-txt-link-freetext">[email-masked]</a>&gt;
                <b>On Behalf Of </b>warthodson--- via Healeys<br>
                <b>Sent:</b> Tuesday, August 30, 2022 5:27 PM<br>
                <b>To:</b> <a href="mailto:[email-masked]"
                  moz-do-not-send="true" class="moz-txt-link-freetext">[email-masked]</a><br>
                <b>Subject:</b> [Healeys] BN1 brake system<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <div>
          <div>
            <p class="MsoNormal"><span style="font-family:&quot;Comic
                Sans MS&quot;;color:black" lang="EN-US">We have been
                trying for several months to bleed the brakes on RHD
                BN1, to no avail. The car has been professionally
                restored &amp; appears to be in excellent condition.
                Today, we tried again to bleed the system following the
                shop manual. I.E. backing off the adjusters on the front
                &amp; back &amp; bleeding &amp; then readjusting the
                brakes. The results were the same. There seems to be an
                excessively large amount of pedal travel before the
                brakes are engaged &amp; when engaged they feel
                "spongy". We have access to 2 other 100's for reference.
                Any help would be greatly appreciated. Also, we are not
                clear on the adjustment of the free play of the master
                cylinder. <o:p></o:p></span></p>
            <div>
              <p class="MsoNormal"><span style="font-family:&quot;Comic
                  Sans MS&quot;;color:black" lang="EN-US">Gary Hodson   <o:p></o:p></span></p>
            </div>
          </div>
        </div>
      </div>
      <br>
    </blockquote>
    <br>
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[email-masked]

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---

From: David Nock BCS via Healeys <[email-masked]>
Date: Wed, 31 Aug 2022 08:14:35 -0700

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Look closely at the pipes and bleed screws on the front cylinders the =
brake line connect at the top of the cylinder and the bleed screw goes =
in the bottom hole. This is totally wrong to any other cylinder.  The =
bleed screw always goes to the top of the cylinder because that is where =
the air is.

Then take a three pair of vice grips and pinch off all the flex hoses, =
you should have a solid pedal right up to the top. If  not there is air =
or a problem in the master cylinder.

Then remove one pair at a time starting at the rear. Try the brakes each =
time, when you loose the brakes that is where the problem is.

Look at the contact area of the shoes. Most of the brake shoe area must =
be touching the drums otherwise you will be flexing the shoes. Many of =
the new shoes on the market are not arced to a drum.

David Nock
British Car Specialists
209-948-8767
www.britishcarspecialists.com

From: Alan Seigrist=20
Sent: Wednesday, August 31, 2022 4:23 AM
To: [email-masked]=20
Cc: Healeys=20
Subject: Re: [Healeys] BN1 brake system

Actually - part of the problem is the BN1 and some BN2 bleeder valves =
originally had a separate ball inside the slave=E2=80=99s bleeder which =
the little ball sealed the system.  Over the years i=E2=80=99m sure that =
ball has been lost and maybe you think the bleed screw is sealing the =
slave when it really isn=E2=80=99t until it=E2=80=99s fully cinched.  =
That also can contribute to the inability to get a firm pedal. =20

Cheers,

Alan

On Wed, 31 Aug 2022 at 4:16 PM, Simon Lachlan via Healeys =
<[email-masked]> wrote:

  Yes, for sure, an Eezibleeder helps. Keep the air pressure down, maybe =
a bit less than suggested in the destructions

  Otherwise, see this, below, from one of my manuals. (Curiously, not in =
all of them).

  =E2=80=9C=E2=80=9CIf the bleeding of any cylinder continues without =
success for a considerable time, it is possible that air is being drawn =
in past the bleeder screw threads. In such cases tighten the bleeder =
screw at the end of each downward stroke* of the pedal and allow the =
pedal to return fully before re-opening it. Close the bleeder screw =
finally during the last pedal application.=E2=80=9D

  *ie to prevent air being drawn in during the upward passage of the =
pedal. (SDL 14/08/2019)=E2=80=9D

  I suppose that, the brakes being old, the threads get worn and let air =
back in as the pedal goes back up. So, I tighten the bleeder as the =
fluid is still coming out, ie before the downward stroke is finished. =
Slows the process up somewhat and tries the patience of ones wifely =
assistant.

  Good luck anyhow.

  Simon

  From: Healeys <[email-masked]> On Behalf Of David =
Leong via Healeys
  Sent: 31 August 2022 06:19
  To: 'Healey List ([email-masked])' <[email-masked]>
  Subject: Re: [Healeys] BN1 brake system

  Use a power pressure bleeder (I have a Motive Bleeder) and tap on the =
slaves to loosen any air bubbles. Make sure there are no high spots =
where air can get trapped and not be purged out of the bleeder screw

  Dave

  From: Healeys <[email-masked]> On Behalf Of =
warthodson--- via Healeys
  Sent: Tuesday, August 30, 2022 5:27 PM
  To: [email-masked]
  Subject: [Healeys] BN1 brake system

  We have been trying for several months to bleed the brakes on RHD BN1, =
to no avail. The car has been professionally restored & appears to be in =
excellent condition. Today, we tried again to bleed the system following =
the shop manual. I.E. backing off the adjusters on the front & back & =
bleeding & then readjusting the brakes. The results were the same. There =
seems to be an excessively large amount of pedal travel before the =
brakes are engaged & when engaged they feel "spongy". We have access to =
2 other 100's for reference. Any help would be greatly appreciated. =
Also, we are not clear on the adjustment of the free play of the master =
cylinder.=20

  Gary Hodson  =20

  Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys

  [email-masked]

  Unsubscribe/Manage: =

-------------------------------------------------------------------------=
-------
_______________________________________________

Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys

[email-masked]

http://autox.team.net/mailman/options/healeys/[email-masked]

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<HTML><HEAD></HEAD>
<BODY dir=3Dltr>
<DIV dir=3Dltr>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: #000000">
<DIV>Look closely at the pipes and bleed screws on the front cylinders =
the brake=20
line connect at the top of the cylinder and the bleed screw goes in the =
bottom=20
hole. This is totally wrong to any other cylinder.&nbsp; The bleed screw =
always=20
goes to the top of the cylinder because that is where the air is.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Then take a three pair of vice grips and pinch off all the flex =
hoses, you=20
should have a solid pedal right up to the top. If&nbsp; not there is air =
or a=20
problem in the master cylinder.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Then remove one pair at a time starting at the rear. Try the brakes =
each=20
time, when you loose the brakes that is where the problem is.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Look at the contact area of the shoes. Most of the brake shoe area =
must be=20
touching the drums otherwise you will be flexing the shoes. Many of the =
new=20
shoes on the market are not arced to a drum.</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: =
#000000">David=20
Nock<BR>British Car=20
Specialists<BR>209-948-8767<BR>www.britishcarspecialists.com</DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV style=3D"FONT: 10pt tahoma">
<DIV>&nbsp;</DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A =
title=[email-masked]>Alan=20
Seigrist</A> </DIV>
<DIV><B>Sent:</B> Wednesday, August 31, 2022 4:23 AM</DIV>
<DIV><B>To:</B> <A=20
title=[email-masked]>[email-masked]=
om</A>=20
</DIV>
<DIV><B>Cc:</B> <A title=[email-masked]>Healeys</A> </DIV>
<DIV><B>Subject:</B> Re: [Healeys] BN1 brake system</DIV></DIV></DIV>
<DIV>&nbsp;</DIV></DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV>Actually - part of the problem is the BN1 and some BN2 bleeder =
valves=20
originally had a separate ball inside the slave=E2=80=99s bleeder which =
the little ball=20
sealed the system.&nbsp; Over the years i=E2=80=99m sure that ball has =
been lost and=20
maybe you think the bleed screw is sealing the slave when it really =
isn=E2=80=99t until=20
it=E2=80=99s fully cinched.&nbsp; That also can contribute to the =
inability to get a=20
firm pedal.&nbsp; </DIV>
<DIV>&nbsp;</DIV>
<DIV>Cheers,</DIV>
<DIV>&nbsp;</DIV>
<DIV>Alan</DIV>
<DIV>
<DIV>&nbsp;</DIV>
<DIV class=3Dgmail_quote>
<DIV class=3Dgmail_attr dir=3Dltr>On Wed, 31 Aug 2022 at 4:16 PM, Simon =
Lachlan via=20
Healeys &lt;<A>[email-masked]</A>&gt; wrote:<BR></DIV>
<BLOCKQUOTE class=3Dgmail_quote=20
style=3D"PADDING-LEFT: 1ex; BORDER-LEFT: rgb(204,204,204) 1px solid; =
MARGIN: 0px 0px 0px 0.8ex">
  <DIV lang=3DEN-GB vlink=3D"#954F72" link=3D"#0563C1">
  <DIV class=3Dm_-9048889340569780999WordSection1>
  <P class=3DMsoNormal><SPAN=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif">Yes, for =
sure, an=20
  Eezibleeder helps. Keep the air pressure down, maybe a bit less than =
suggested=20
  in the destructions<U style=3D"FONT-FAMILY: calibri,sans-serif"></U><U =

  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P>
  <P class=3DMsoNormal><SPAN=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif">Otherwise, =
see this,=20
  below, from one of my manuals. (Curiously, not in all of them).<U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P>
  <P class=3Dm_-9048889340569780999MsoBodyText=20
  style=3D"MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 5.95pt; MARGIN-RIGHT: =
13.55pt"><SPAN=20
  lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: =
calibri,sans-serif">=E2=80=9C</SPAN><SPAN=20
  lang=3DEN-US>=E2=80=9CIf<SPAN style=3D"LETTER-SPACING: -0.25pt"> =
</SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">bleeding</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>of<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>any<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>cylinder<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>continues<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">without</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">success</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>for<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>a<SPAN =
style=3D"LETTER-SPACING: -0.2pt">=20
  </SPAN><SPAN style=3D"LETTER-SPACING: =
-0.05pt">considerable</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">time,</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>it<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>is<SPAN =
style=3D"LETTER-SPACING: 3.05pt">=20
  </SPAN>possible<SPAN style=3D"LETTER-SPACING: -0.25pt"> =
</SPAN>that<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>air<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>is<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>being<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>drawn<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>in<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>past<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">bleeder</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">screw</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>threads.<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>In<SPAN =
style=3D"LETTER-SPACING: -0.2pt">=20
  </SPAN><SPAN style=3D"LETTER-SPACING: -0.05pt">such</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>cases<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>tighten<SPAN=20
  style=3D"LETTER-SPACING: 1.4pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>bleeder<SPAN=20
  style=3D"LETTER-SPACING: -0.15pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">screw</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -2pt"> </SPAN>at<SPAN =
style=3D"LETTER-SPACING: -0.2pt">=20
  </SPAN>the<SPAN style=3D"LETTER-SPACING: -0.2pt"> </SPAN>end<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>of<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>each<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>downward<SPAN=20
  style=3D"LETTER-SPACING: -2pt"> </SPAN>stroke*<SPAN=20
  style=3D"LETTER-SPACING: -0.15pt"> </SPAN>of<SPAN=20
  style=3D"LETTER-SPACING: -0.15pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>pedal<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>and<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">allow</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.2pt"> </SPAN>pedal<SPAN=20
  style=3D"LETTER-SPACING: -0.15pt"> </SPAN>to<SPAN =
style=3D"LETTER-SPACING: 1.3pt">=20
  </SPAN>return<SPAN style=3D"LETTER-SPACING: -0.35pt"> =
</SPAN>fully<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN>before<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN>re-opening<SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>it.<SPAN=20
  style=3D"LETTER-SPACING: -0.35pt"> </SPAN>Close<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">bleeder</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">screw</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">finally</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">during</SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.25pt"> </SPAN>the<SPAN=20
  style=3D"LETTER-SPACING: -0.3pt"> </SPAN>last<SPAN=20
  style=3D"LETTER-SPACING: -0.35pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: -0.05pt">pedal</SPAN><SPAN=20
  style=3D"LETTER-SPACING: 1.2pt"> </SPAN><SPAN=20
  style=3D"LETTER-SPACING: =
-0.05pt">application.=E2=80=9D<U></U><U></U></SPAN></SPAN></P>
  <P class=3Dm_-9048889340569780999MsoBodyText=20
  style=3D"MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 5.95pt; MARGIN-RIGHT: =
13.55pt"><SPAN=20
  lang=3DEN-US style=3D"LETTER-SPACING: -5pt">*ie to prevent air being =
drawn in=20
  during the upward passage of the pedal. (SDL=20
  14/08/2019)=E2=80=9D<U></U><U></U></SPAN></P>
  <P class=3Dm_-9048889340569780999MsoBodyText=20
  style=3D"MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 5.95pt; MARGIN-RIGHT: =
13.55pt"><SPAN=20
  lang=3DEN-US>I suppose that, the brakes being old, the threads get =
worn and let=20
  air back in as the pedal goes back up. So, I tighten the bleeder as =
the fluid=20
  is still coming out, ie before the downward stroke is finished. Slows =
the=20
  process up somewhat and tries the patience of ones wifely=20
  assistant.<U></U><U></U></SPAN></P>
  <P class=3Dm_-9048889340569780999MsoBodyText=20
  style=3D"MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 5.95pt; MARGIN-RIGHT: =
13.55pt"><SPAN=20
  lang=3DEN-US>Good luck anyhow.<U></U><U></U></SPAN></P>
  <P class=3Dm_-9048889340569780999MsoBodyText=20
  style=3D"MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 5.95pt; MARGIN-RIGHT: =
13.55pt"><SPAN=20
  lang=3DEN-US>Simon<U></U><U></U></SPAN></P>
  <P class=3DMsoNormal><SPAN=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN>&nbsp;</P>
  <P class=3DMsoNormal><SPAN=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN>&nbsp;</P>
  <DIV>
  <DIV=20
  style=3D"BORDER-LEFT-STYLE: none; BORDER-TOP: rgb(225,225,225) 1pt =
solid; BORDER-BOTTOM-STYLE: none; PADDING-BOTTOM: 0cm; PADDING-TOP: 3pt; =
BORDER-RIGHT-STYLE: none; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm">
  <P class=3DMsoNormal><B><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: =
calibri,sans-serif">From:</SPAN></B><SPAN=20
  lang=3DEN-US style=3D"FONT-SIZE: 11pt; FONT-FAMILY: =
calibri,sans-serif"> Healeys=20
  &lt;<A style=3D"FONT-FAMILY: calibri,sans-serif"=20
  target=3D_blank>[email-masked]</A>&gt; <B=20
  style=3D"FONT-FAMILY: calibri,sans-serif">On Behalf Of </B>David Leong =
via=20
  Healeys<BR><B style=3D"FONT-FAMILY: calibri,sans-serif">Sent:</B> 31 =
August 2022=20
  06:19<BR><B style=3D"FONT-FAMILY: calibri,sans-serif">To:</B> 'Healey =
List (<A=20
  style=3D"FONT-FAMILY: calibri,sans-serif"=20
  target=3D_blank>[email-masked]</A>)' &lt;<A=20
  style=3D"FONT-FAMILY: calibri,sans-serif"=20
  target=3D_blank>[email-masked]</A>&gt;<BR><B=20
  style=3D"FONT-FAMILY: calibri,sans-serif">Subject:</B> Re: [Healeys] =
BN1 brake=20
  system<U style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P></DIV></DIV>
  <P class=3DMsoNormal><U></U><U></U>&nbsp;</P>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif; COLOR: =
rgb(31,73,125)">Use=20
  a power pressure bleeder (I have a Motive Bleeder) and tap on the =
slaves to=20
  loosen any air bubbles. Make sure there are no high spots where air =
can get=20
  trapped and not be purged out of the bleeder screw<U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif; COLOR: =
rgb(31,73,125)"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif; COLOR: =
rgb(31,73,125)"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN>&nbsp;</P>
  <P class=3DMsoNormal><B><I><SPAN lang=3DEN-US=20
  style=3D'FONT-SIZE: 20pt; FONT-FAMILY: "Brush Script MT"; COLOR: =
rgb(38,38,212)'>Dave</SPAN></I></B><SPAN=20
  lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif; COLOR: =
rgb(31,73,125)"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P></DIV>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: calibri,sans-serif; COLOR: =
rgb(31,73,125)"><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN>&nbsp;</P>
  <DIV>
  <DIV=20
  style=3D"BORDER-LEFT-STYLE: none; BORDER-TOP: rgb(225,225,225) 1pt =
solid; BORDER-BOTTOM-STYLE: none; PADDING-BOTTOM: 0cm; PADDING-TOP: 3pt; =
BORDER-RIGHT-STYLE: none; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm">
  <P class=3DMsoNormal><B><SPAN lang=3DEN-US=20
  style=3D"FONT-SIZE: 11pt; FONT-FAMILY: =
calibri,sans-serif">From:</SPAN></B><SPAN=20
  lang=3DEN-US style=3D"FONT-SIZE: 11pt; FONT-FAMILY: =
calibri,sans-serif"> Healeys=20
  &lt;<A style=3D"FONT-FAMILY: calibri,sans-serif"=20
  target=3D_blank>[email-masked]</A>&gt; <B=20
  style=3D"FONT-FAMILY: calibri,sans-serif">On Behalf Of =
</B>warthodson--- via=20
  Healeys<BR><B style=3D"FONT-FAMILY: calibri,sans-serif">Sent:</B> =
Tuesday,=20
  August 30, 2022 5:27 PM<BR><B style=3D"FONT-FAMILY: =
calibri,sans-serif">To:</B>=20
  <A style=3D"FONT-FAMILY: calibri,sans-serif"=20
  target=3D_blank>[email-masked]</A><BR><B=20
  style=3D"FONT-FAMILY: calibri,sans-serif">Subject:</B> [Healeys] BN1 =
brake=20
  system<U style=3D"FONT-FAMILY: calibri,sans-serif"></U><U=20
  style=3D"FONT-FAMILY: calibri,sans-serif"></U></SPAN></P></DIV></DIV>
  <P class=3DMsoNormal><SPAN =
lang=3DEN-US><U></U><U></U></SPAN>&nbsp;</P>
  <DIV>
  <DIV>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D'FONT-FAMILY: "Comic Sans MS"; COLOR: black'>We have been =
trying for=20
  several months to bleed the brakes on RHD BN1, to no avail. The car =
has been=20
  professionally restored &amp; appears to be in excellent condition. =
Today, we=20
  tried again to bleed the system following the shop manual. I.E. =
backing off=20
  the adjusters on the front &amp; back &amp; bleeding &amp; then =
readjusting=20
  the brakes. The results were the same. There seems to be an =
excessively large=20
  amount of pedal travel before the brakes are engaged &amp; when =
engaged they=20
  feel "spongy". We have access to 2 other 100's for reference. Any help =
would=20
  be greatly appreciated. Also, we are not clear on the adjustment of =
the free=20
  play of the master cylinder. <U style=3D'FONT-FAMILY: "Comic Sans =
MS"'></U><U=20
  style=3D'FONT-FAMILY: "Comic Sans MS"'></U></SPAN></P>
  <DIV>
  <P class=3DMsoNormal><SPAN lang=3DEN-US=20
  style=3D'FONT-FAMILY: "Comic Sans MS"; COLOR: black'>Gary =
Hodson&nbsp;&nbsp; <U=20
  style=3D'FONT-FAMILY: "Comic Sans MS"'></U><U=20
  style=3D'FONT-FAMILY: "Comic Sans =
MS"'></U></SPAN></P></DIV></DIV></DIV></DIV></DIV>_______________________=
________________________<BR>Support=20
  Team.Net <A href=3D"http://www.team.net/donate.html" rel=3Dnoreferrer=20
  target=3D_blank>http://www.team.net/donate.html</A><BR>Suggested =
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  donation&nbsp; $12.75<BR><BR>Archive: <A=20
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  target=3D_blank>http://autox.team.net/archive/healeys</A><BR><BR><A=20
  target=3D_blank>[email-masked]</A><BR><A=20
  href=3D"http://autox.team.net/mailman/listinfo/healeys" =
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target=3D_blank>http://autox.team.net/mailman/options/healeys/healey.nut@=
gmail.com</A><BR><BR></BLOCKQUOTE></DIV></DIV>
<P>
<HR>
_______________________________________________<BR>Support Team.Net=20
$12.75<BR><BR>Archive: http://www.team.net/pipermail/healeys=20
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---

From: Michael Salter via Healeys <[email-masked]>
Date: Wed, 31 Aug 2022 13:34:03 -0400

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--000000000000e432f605e78ce7a3

This may help.

https://precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes/

M

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<div dir=3D"auto"><div>This may help.<div dir=3D"auto"><br></div><a href=3D=
"https://precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes/=
">https://precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes=
/</a></div><div dir=3D"auto"><br></div><div dir=3D"auto">M<br><br><div clas=
s=3D"gmail_quote" dir=3D"auto"><blockquote class=3D"gmail_quote" style=3D"m=
argin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br><br>
</blockquote></div>
</div></div>

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[email-masked]

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