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I fitted the modified seal 10 years ago and have always had an oil leak
since. After finally removing the gearbox for repair last month I removed
flywheel etc to have a look at it. I removed the backing plate and no leaks
were identified around the seal, it was totally dry. However the back of
the camshaft drain was a different scenario. I then noticed there should
have been a gasket according to the books, which mine did not have. I had
used a silicone gasket maker in that area and that failed (didn't work). I
made a thick 1.6mm (1/16inch) gasket and now think I have solved the leaks
problem
On Sun, Apr 4, 2021 at 5:14 AM Bob Begani via Healeys <
healeys@autox.team.net> wrote:
> Thanks for all your comments. In addition, I searched Oil Leaks in the
> archives and copied 3 pages of comments going back to 2000 approximately.
> It is interesting.
>
>
>
> Many indicated no longer any oil leaks after installing new rear seal.
> Some indicated they still had some leakage. Some indicated oil leakage
> stopped after installing Positive Crankcase Ventilation. So, I installed=
a
> PCV system by attaching a hose to the 1/4-inch opening next to the curren=
t
> 3/8-inch opening used by the brake booster. I had to use =C2=BC-inch fuel=
rubber
> tubing attached to the pcv valve at the T on top of the valve cover. As =
my
> aluminum valve cover had a side vent, I sealed it off with a piece of
> rubber. Then I went for a 24-mile ride in traffic and on the highways no=
t
> exceeding 60 mph just incase and came home. I let the engine run at idle
> with the fan and electric water pump running for a while and put a sheet =
of
> cardboard under the weep hole. While I was doing that there were no oil
> drops. In addition, I walked my driveway and found no drips. Nevertheles=
s,
> I placed a can underneath the weep hole overnight. In the morning, I fou=
nd
> one drop in the can which could be left over from the previous heavy
> dripping. I have done this test three times no dripping and no measure
> loss of oil on the dip stick.
>
>
>
> As soon as I am comfortable with the results, I will take a highway run a=
t
> 65 -75 plus. Meanwhile, may solve the problem of rear seal oil leakage
> and, no doubt anywhere else on the engine. Eventually, I will have to pu=
ll
> the trans, clutch etc. to clean the clutch or replace the clutch friction
> disk as it is slipping due to oil. At that time will look at the new add=
ed
> on seal.
>
>
>
> Current question is who has no leaks after rebuild with or without PVC
> system?
>
>
>
>
>
>
>
> Bob Begani
> _______________________________________________
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>
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>
>
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<div dir=3D"ltr">I fitted the modified seal 10 years ago and have always ha=
d an oil leak since. After finally=C2=A0removing the gearbox for repair las=
t month I removed flywheel etc to have a look at it. I removed the=C2=A0bac=
king plate and no leaks were identified around the seal, it was totally dry=
. However the back of the camshaft drain was a different scenario. I then n=
oticed there should have been a gasket according to the books, which mine d=
id not have. I had used a silicone gasket maker in that area and that faile=
d (didn't work). I made a thick 1.6mm (1/16inch) gasket and now think I=
have solved the leaks problem</div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Sun, Apr 4, 2021 at 5:14 AM Bob Begani via=
Healeys <<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.n=
et</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margi=
n:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex=
"><div lang=3D"EN-US" style=3D"overflow-wrap: break-word;"><div class=3D"gm=
ail-m_-8084671878477982727WordSection1"><p class=3D"MsoNormal"><span style=
=3D"font-size:14pt;font-family:Arial,sans-serif">Thanks for all your commen=
ts.=C2=A0 In addition, I searched Oil Leaks in the archives and copied 3 pa=
ges of comments going back to 2000 approximately.=C2=A0 It is interesting.=
=C2=A0 <u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-=
size:14pt;font-family:Arial,sans-serif"><u></u>=C2=A0<u></u></span></p><p c=
lass=3D"MsoNormal"><span style=3D"font-size:14pt;font-family:Arial,sans-ser=
if">Many indicated no longer any oil leaks after installing new rear seal.=
=C2=A0 Some indicated they still had some leakage.=C2=A0 Some indicated oil=
leakage stopped after installing Positive Crankcase Ventilation.=C2=A0 So,=
I installed a PCV system by attaching a hose to the 1/4-inch opening next =
to the current 3/8-inch opening used by the brake booster. I had to use =C2=
=BC-inch fuel rubber tubing attached to the pcv valve at the T on top of th=
e valve cover.=C2=A0 As my aluminum valve cover had a side vent, I sealed i=
t off with a piece of rubber.=C2=A0 Then I went for a 24-mile ride in traff=
ic and on the highways not exceeding 60 mph just incase and came home. I le=
t the engine run at idle with the fan and electric water pump running for a=
while and put a sheet of cardboard under the weep hole.=C2=A0 While I was =
doing that there were no oil drops.=C2=A0 In addition, I walked my driveway=
and found no drips. Nevertheless, I placed a can underneath the weep hole =
overnight.=C2=A0 In the morning, I found one drop in the can which could be=
left over from the previous heavy dripping.=C2=A0 I have done this test th=
ree times no dripping and no measure loss of oil on the dip stick.<u></u><u=
></u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:14pt;font-f=
amily:Arial,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNorma=
l"><span style=3D"font-size:14pt;font-family:Arial,sans-serif">As soon as I=
am comfortable with the results, I will take a highway run at 65 -75 plus.=
=C2=A0=C2=A0Meanwhile, may solve the problem of rear seal oil leakage and,=
no doubt anywhere else on the engine.=C2=A0 Eventually, I will have to pul=
l the trans, clutch etc. to clean the clutch or replace the clutch friction=
disk as it is slipping due to oil.=C2=A0 At that time will look at the new=
added on seal.=C2=A0 <u></u><u></u></span></p><p class=3D"MsoNormal"><span=
style=3D"font-size:14pt;font-family:Arial,sans-serif"><u></u>=C2=A0<u></u>=
</span></p><p class=3D"MsoNormal"><span style=3D"font-size:14pt;font-family=
:Arial,sans-serif">Current question is who has no leaks after rebuild with =
or without PVC system?=C2=A0 <u></u><u></u></span></p><p class=3D"MsoNormal=
"><span style=3D"font-size:14pt;font-family:Arial,sans-serif"><u></u>=C2=A0=
<u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:14pt;font=
-family:Arial,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNor=
mal"><span style=3D"font-size:14pt;font-family:Arial,sans-serif"><u></u>=C2=
=A0<u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:14pt;f=
ont-family:Arial,sans-serif">Bob Begani <u></u><u></u></span></p></div></di=
v>_______________________________________________<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=
r" target=3D"_blank">http://www.team.net/pipermail/healeys</a> <a href=3D"h=
ttp://autox.team.net/archive" rel=3D"noreferrer" target=3D"_blank">http://a=
utox.team.net/archive</a><br>
<br>
<a href=3D"mailto:Healeys@autox.team.net"; target=3D"_blank">Healeys@autox.t=
eam.net</a><br>
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<br>
s/jtkarowe@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.tea=
m.net/mailman/options/healeys/jtkarowe@gmail.com</a><br>
<br>
</blockquote></div>
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