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Re: [Healeys] Hydraulic system maintenance

To: John Spaur <jmsdarch@sbcglobal.net>, 'healeys' <Healeys@autox.team.net>
Subject: Re: [Healeys] Hydraulic system maintenance
From: Robert Markovich via Healeys <healeys@autox.team.net>
Date: Thu, 15 Jun 2023 11:58:53 +0000 (UTC)
Delivered-to: mharc@autox.team.net
Delivered-to: Healeys@autox.team.net
References: <000001d99f4c$31c49d00$954dd700$.ref@sbcglobal.net> <000001d99f4c$31c49d00$954dd700$@sbcglobal.net>
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I=E2=80=99d certainly flush and change the hydraulic fluid=E2=80=94and keep=
 on doing so every two years as this is an age and not a mileage issue, muc=
h like motor oil (every three months)=C2=A0and coolant (every year). Use a =
good low moisture absorption fluid such as Castrol, DOT 4. Vintage cars don=
=E2=80=99t seem to like the DOT 5 synthetic stuff, which tends to ooze out.=
 And definitely change the brake and clutch hoses, preferably to steel-brai=
d reinforced. I=E2=80=99d certainly change the clutch slave cylinder as tha=
t=E2=80=99s easy=E2=80=94and consider swapping out the rest of the master/s=
lave and calipers as well.=C2=A0


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On Thursday, June 15, 2023, 1:58 AM, John Spaur via Healeys <healeys@autox.=
team.net> wrote:

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Hello,

 =C2=A0

I am seeking the collective wisdom of my fellow Austin-Healey owners.

 =C2=A0

I restored my BT7 10 years ago and I drive it about 500 miles a year at the=
 most. In the last few years, while the pandemic was in progress, it has be=
en even less.

About a year ago I installed a remote clutch bleeder tube and I did not tig=
hten the bleed nipple sufficiently. As a result, fluid leaked out and I nee=
d to bleed the air out of the clutch system.

 =C2=A0

However, I was wondering, because it has been ten years since the hydraulic=
 system was completely restored, if it would be wise to rebuild all of the =
cylinders in the brake and clutch system.

 =C2=A0

Also, would it be wise to replace the front caliper flexible hoses and the =
flexible hose under the jumper seats. It should be noted that all three hos=
es do not seem to have hardened and there are not any other problems with t=
he hydraulic system other than having to bleed the clutch line because of t=
he air leak.

 =C2=A0

What are your thoughts?

 =C2=A0

John Spaur

=E2=80=9962 BT7
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dy>
I=E2=80=99d certainly flush and change the hydraulic fluid=E2=80=94and keep=
 on doing so every two years as this is an age and not a mileage issue, muc=
h like motor oil (every three months)&nbsp;and coolant (every year). Use a =
good low moisture absorption fluid such as Castrol, DOT 4. Vintage cars don=
=E2=80=99t seem to like the DOT 5 synthetic stuff, which tends to ooze out.=
 And definitely change the brake and clutch hoses, preferably to steel-brai=
d reinforced. I=E2=80=99d certainly change the clutch slave cylinder as tha=
t=E2=80=99s easy=E2=80=94and consider swapping out the rest of the master/s=
lave and calipers as well.&nbsp;<br><br><br><div class=3D"yahoo-signature">=
<a href=3D"https://apps.apple.com/us/app/aol-news-email-weather-video/id646=
100661">Sent from the all new AOL app for iOS</a><br></div><br><p class=3D"=
yahoo-quoted-begin" style=3D"font-size: 15px; color: #715FFA; padding-top: =
15px; margin-top: 0">On Thursday, June 15, 2023, 1:58 AM, John Spaur via He=
aleys &lt;healeys@autox.team.net&gt; wrote:</p><blockquote class=3D"iosymai=
l"><div id=3D"yiv1956284009"><style><!--

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--></style><div><div class=3D"yiv1956284009WordSection1"><p class=3D"yiv195=
6284009MsoNormal">Hello,</p><p class=3D"yiv1956284009MsoNormal"> &nbsp;</p>=
<p class=3D"yiv1956284009MsoNormal">I am seeking the collective wisdom of m=
y fellow Austin-Healey owners.</p><p class=3D"yiv1956284009MsoNormal"> &nbs=
p;</p><p class=3D"yiv1956284009MsoNormal">I restored my BT7 10 years ago an=
d I drive it about 500 miles a year at the most. In the last few years, whi=
le the pandemic was in progress, it has been even less.</p><p class=3D"yiv1=
956284009MsoNormal">About a year ago I installed a remote clutch bleeder tu=
be and I did not tighten the bleed nipple sufficiently. As a result, fluid =
leaked out and I need to bleed the air out of the clutch system.</p><p clas=
s=3D"yiv1956284009MsoNormal"> &nbsp;</p><p class=3D"yiv1956284009MsoNormal"=
>However, I was wondering, because it has been ten years since the hydrauli=
c system was completely restored, if it would be wise to rebuild all of the=
 cylinders in the brake and clutch system.</p><p class=3D"yiv1956284009MsoN=
ormal"> &nbsp;</p><p class=3D"yiv1956284009MsoNormal">Also, would it be wis=
e to replace the front caliper flexible hoses and the flexible hose under t=
he jumper seats. It should be noted that all three hoses do not seem to hav=
e hardened and there are not any other problems with the hydraulic system o=
ther than having to bleed the clutch line because of the air leak.</p><p cl=
ass=3D"yiv1956284009MsoNormal"> &nbsp;</p><p class=3D"yiv1956284009MsoNorma=
l">What are your thoughts?</p><p class=3D"yiv1956284009MsoNormal"> &nbsp;</=
p><p class=3D"yiv1956284009MsoNormal">John Spaur</p><p class=3D"yiv19562840=
09MsoNormal">=E2=80=9962 BT7</p></div></div></div>_________________________=
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ote>
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