Re: [Healeys] 100 brakes

[Michael Salter via Healeys <healeys@autox.team.net>]

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This article may help.
https://precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes/

On Tue., Mar. 14, 2023, 7:54 a.m. warthodson--- via Healeys, <
healeys@autox.team.net> wrote:

> We are having a very difficult time adjusting & bleeding the brakes on a
> friend's BN1.
> The car has recently under a full ground up restoration so things like
> brake lines including flex lines are new, seals in the brake cylinders are
> new, the master cyl. is new, etc.
> We bleed the system so many times different way that I have lost track.
> We have adjusted the free play to assure that the plunger is able to
> return to the full "off" position.
> When we adjust the operating rod to achieve the specified 1/8" free
> movement at the pedal.
> We have adjusted the brake shoes to have a very slight drag at rest.
> Our issue is:
> Excessive brake pedal travel before the brakes begin to be effective.
> Pumping the brakes temporarily improve the pedal travel issue, which we
> think indicates air still in the system.
> We are not having any leaks & the reservoir port is functioning correctly,
> IE: no locking up of the brakes.
> Gary
>
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<div dir=3D"auto">This article may help.<div dir=3D"auto"><a href=3D"https:=
//precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes/">https=
://precisionsportscar.com/bleeding-austin-healey-4-wheel-drum-brakes/</a><b=
r></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmai=
l_attr">On Tue., Mar. 14, 2023, 7:54 a.m. warthodson--- via Healeys, &lt;<a=
 href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>&gt; wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex">
<div style=3D"color:black;font:12pt Comic Sans MS,sans-serif">We are having=
 a very difficult time adjusting &amp; bleeding the brakes on a friend&#39;=
s BN1.
<div>The car has recently under a full ground up restoration so things like=
 brake lines including flex lines are new, seals in the brake cylinders are=
 new, the master cyl. is new, etc.</div>

<div>We bleed the system so many times different way that I have lost track=
.=C2=A0</div>

<div>We have adjusted the free play to assure that the plunger is able to r=
eturn to the full &quot;off&quot; position.</div>

<div>When we adjust the operating rod to achieve the specified 1/8&quot; fr=
ee movement at the pedal.</div>

<div>We have adjusted the brake shoes to have a very slight drag at rest.</=
div>

<div>Our issue is:</div>

<div>Excessive brake pedal travel before the brakes begin to be effective.=
=C2=A0</div>

<div>Pumping the brakes temporarily improve the pedal travel issue, which w=
e think indicates air still in the system.</div>

<div>We are not having any leaks &amp; the reservoir port is functioning co=
rrectly, IE: no locking up of the brakes.=C2=A0</div>

<div>Gary</div>

<div>=C2=A0 =C2=A0 =C2=A0=C2=A0</div>
</div>
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</blockquote></div>

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