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Has anyone found a source for new aluminum cylinders that are anodized? I =
read that the way to test them is to measure the continuity of the surface.=
Anodized won't conduct. I checked a few & either they were not anodized or=
if they were they bored out the cylinder after anodizing. Is it possible t=
hat if the bore is smooth/polished, as opposed to honing which is coarse, t=
he rubber seal will last as long as it would in an anodized bore? And the b=
ore should last long enough (years, decades) since it is harder that the ru=
bber seal.Gary Hodson=C2=A0=C2=A0
On Thursday, June 15, 2023 at 08:58:42 AM CDT, Michael Salter <michaels=
alter@gmail.com> wrote:=20
Although some of the drivers handbooks recommended changing the fluid ever=
y 3 years and all the seals and hoses every 6 years or so=C2=A0 I, like Mir=
ek, I've never bothered and have had no significant issues.That said howeve=
r your clutch system, having been dry for some time, will most likely requi=
re new seals as they get a bit "crusty" when left exposed to the air for lo=
ng periods.BTW ...NEVER hone aluminium cylinders. They have a hard anodised=
coating inside the bores which honing will destroy. The remaining unanodiz=
ed aluminium is too soft for use as a cylinder bore.
M
On Thu., Jun. 15, 2023, 1:47 a.m. John Spaur via Healeys, <healeys@autox.te=
am.net> wrote:
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
_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
lter@gmail.com
_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
n@aol.com
=20
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<html><head></head><body><div class=3D"ydp47ae7afdyahoo-style-wrap" style=
=3D"font-family:Comic Sans MS, sans-serif;font-size:16px;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">Has anyone found a source fo=
r new aluminum cylinders that are anodized? I read that the way to test the=
m is to measure the continuity of the surface. Anodized won't conduct. I ch=
ecked a few & either they were not anodized or if they were they bored =
out the cylinder after anodizing. Is it possible that if the bore is smooth=
/polished, as opposed to honing which is coarse, the rubber seal will last =
as long as it would in an anodized bore? And the bore should last long enou=
gh (years, decades) since it is harder that the rubber seal.</div><div dir=
=3D"ltr" data-setdir=3D"false">Gary Hodson</div><div dir=3D"ltr" data-setdi=
r=3D"false"> </div><div dir=3D"ltr" data-setdir=3D"false"><br></=
div>
=20
</div><div id=3D"ydp696a27ebyahoo_quoted_7708015720" class=3D"ydp69=
6a27ebyahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Thursday, June 15, 2023 at 08:58:42 AM CDT, Michael =
Salter <michaelsalter@gmail.com> wrote:</div>
<div><br></div>
<div><div id=3D"ydp696a27ebyiv2456570294"><div><div>Althoug=
h some of the drivers handbooks recommended changing the fluid every 3 year=
s and all the seals and hoses every 6 years or so I, like Mirek, I've=
never bothered and have had no significant issues.<div>That said however y=
our clutch system, having been dry for some time, will most likely require =
new seals as they get a bit "crusty" when left exposed to the air for long =
periods.</div><div>BTW ...NEVER hone aluminium cylinders. They have a hard =
anodised coating inside the bores which honing will destroy. The remaining =
unanodized aluminium is too soft for use as a cylinder bore.</div><div><br =
clear=3D"none"></div><div>M</div><div><br clear=3D"none"></div></div><br cl=
ear=3D"none"><div class=3D"ydp696a27ebyiv2456570294gmail_quote"><div id=3D"=
ydp696a27ebyiv2456570294yqt66458" class=3D"ydp696a27ebyiv2456570294yqt71783=
28599"><div dir=3D"ltr" class=3D"ydp696a27ebyiv2456570294gmail_attr">On Thu=
., Jun. 15, 2023, 1:47 a.m. John Spaur via Healeys, <<a shape=3D"rect" h=
ref=3D"mailto:healeys@autox.team.net"; rel=3D"nofollow" target=3D"_blank">he=
aleys@autox.team.net</a>> wrote:<br clear=3D"none"></div><blockquote sty=
le=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" class=
=3D"ydp696a27ebyiv2456570294gmail_quote"><div lang=3D"EN-US"><div><p class=
=3D"ydp696a27ebyiv2456570294MsoNormal">Hello,<u></u><u></u></p><p class=3D"=
ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class=3D"ydp6=
96a27ebyiv2456570294MsoNormal">I am seeking the collective wisdom of my fel=
low Austin-Healey owners.<u></u><u></u></p><p class=3D"ydp696a27ebyiv245657=
0294MsoNormal"><u></u> <u></u></p><p class=3D"ydp696a27ebyiv2456570294=
MsoNormal">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 been even less.<u></u><u></u></p><p class=3D"ydp696a27ebyiv2456570=
294MsoNormal">About a year ago I installed a remote clutch bleeder tube 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.<u></u><u></u></p=
><p class=3D"ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p =
class=3D"ydp696a27ebyiv2456570294MsoNormal">However, I was wondering, becau=
se 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 clut=
ch system.<u></u><u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNormal">=
<u></u> <u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNormal">Also=
, would it be wise to replace the front caliper flexible hoses and the flex=
ible hose under the jumper seats. It should be noted that all three hoses d=
o not seem to have hardened and there are not any other problems with the h=
ydraulic system other than having to bleed the clutch line because of the a=
ir leak.<u></u><u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNormal"><u=
></u> <u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNormal">What a=
re your thoughts?<u></u><u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoN=
ormal"><u></u> <u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNorma=
l">John Spaur<u></u><u></u></p><p class=3D"ydp696a27ebyiv2456570294MsoNorma=
l">=E2=80=9962 BT7<u></u><u></u></p></div></div>___________________________=
____________________<br clear=3D"none">
rel=3D"nofollow" target=3D"_blank">http://www.team.net/donate.html</a><br =
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el=3D"nofollow" target=3D"_blank">http://www.team.net/pipermail/healeys</a>=
<a shape=3D"rect" href=3D"http://autox.team.net/archive/healeys"; rel=3D"no=
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</blockquote></div></div>
</div></div><div class=3D"ydp696a27ebyqt7178328599" id=3D"ydp696a27ebyqt195=
50">_______________________________________________<br clear=3D"none">Suppo=
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_______________________________________________
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