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Dick
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 Posted: Wed May 02, 2007 3:03 am Post subject: C85 Oil Leak |
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A small oil leak has shown up topside and immediately behind the nosebowl
on my Zodiac 601 HD powered with a C85. As near as can be seen, the
crankcase nipple connection and hose leading to the air/oil separator is not
"wet" or showing leakage. Neither the hose nor air/oil separator are
blocked.
There is extensive riveted baffling around the crank/prop flange area which
blocks a direct visual inspection.
Having heard about leaking crank front oil seals, is the replacement method
a total engine case split or some kind of split ring seal similar to old
chevy small blocks?
any help would be appreciated, thanks, Dick |
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Tri-Pacer
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| Posted: Wed May 02, 2007 11:40 pm Post subject: Re: C85 Oil Leak |
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-----> blocks a direct visual inspection.
| Quote: |
Having heard about leaking crank front oil seals, is the replacement
method a total engine case split or some kind of split ring seal similar
to old chevy small blocks?
There is a split seal for Continentals with flanged crankshafts which |
installs without too much trouble.
A few years back I replaced a seal on a C-85 without doing enough
troubleshooting. After replacement, the leak remained. it turned out the
crankcase vent line had been moved and was pressurizing the crankcase.
Cheers:
Paul
N1431A
KPLU |
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Dick
Guest
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| Posted: Thu May 03, 2007 3:00 am Post subject: Re: C85 Oil Leak |
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Paul,
Thanks for the reply. I finally found a Continental Manual showing that
split seal used on my flanged crank.
But I have noticed lately that my air/oil separator is pushing almost
nothing out the drain hose to atmosphere. ie: lot cleaner than usual belly
<G>. Now I wonder about that crankcase being pressurized possibility.....The
one item I didn't check for blockage was the 90 degree fitting coming out
the case side.
Sure would rather unblock something than pull that spinner, prop and
baffling <G>.
Dick
"Tri-Pacer" <Tripacer (AT) hotmail (DOT) com> wrote in message
news:IL-dnYjNMfCPRqXbnZ2dnUVZ_jWdnZ2d (AT) comcast (DOT) com...
| Quote: | -----> blocks a direct visual inspection.
Having heard about leaking crank front oil seals, is the replacement
method a total engine case split or some kind of split ring seal similar
to old chevy small blocks?
There is a split seal for Continentals with flanged crankshafts which
installs without too much trouble.
A few years back I replaced a seal on a C-85 without doing enough
troubleshooting. After replacement, the leak remained. it turned out the
crankcase vent line had been moved and was pressurizing the crankcase.
Cheers:
Paul
N1431A
KPLU
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