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1. 04:14 PM - Oil Leak (DCS317@aol.com)
2. 07:14 PM - Re: Oil Leak (jolly dawson)
Message 1
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CC: DCS317@aol.com
--> RV8-List message posted by: DCS317@aol.com
I've got an small oil leak on the back side of my Lycoming. I thought it
was leaking around the lower stud of the left magneto (a drip forms on that
stud). Two removals and reinsertion of the stud (each with thread cleaning and
thread sealer coating) and then a third removal (with an oversized stud
inserted) did not cure the small leak. I think the leak is probably above the
magneto perhaps at the connection of one of those expensive oil hoses at the back
of the case. Just running the engine for a few minutes will not cause the
leak--I have to cowl it up and fly the bird to see any oil leak, i.e., high
power settings for at least 20 minutes--which messes up my belly and diffusely
the left back of the engine. I've tightened all connections to the oil
cooler (located on the right side of the engine) and cannot pinpoint any area
of
leakage. This is small enough to not notice any significant reduction in
crankcase oil level even after a few flights. Anyone got any ideas how to
pinpoint this frustrating leak?
Don Schmiesing
Seattle
110 hours on RV-8 417DS
Message 2
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--> RV8-List message posted by: "jolly dawson" <jollyd@ipns.com>
here is a tip that works for me on a LOT of stubborn leaks on ALL sorts of
engines..clean the engine, and dry it off..put a coating of talk powder over
the suspected aerea of the engine..if no joy after you run the engine, try
putting talk ALL OVER the engine..sometimes the air stream carries the oil
to the back of the engine, when the leak is really in the front...good luck,
and blue skys to you...jolly in dallas, ore.
----- Original Message -----
From: <DCS317@aol.com>
Cc: <DCS317@aol.com>
Sent: Sunday, January 22, 2006 4:13 PM
Subject: RV8-List: Oil Leak
> --> RV8-List message posted by: DCS317@aol.com
>
>
> I've got an small oil leak on the back side of my Lycoming. I thought it
> was leaking around the lower stud of the left magneto (a drip forms on
that
> stud). Two removals and reinsertion of the stud (each with thread
cleaning and
> thread sealer coating) and then a third removal (with an oversized stud
> inserted) did not cure the small leak. I think the leak is probably above
the
> magneto perhaps at the connection of one of those expensive oil hoses at
the back
> of the case. Just running the engine for a few minutes will not cause
the
> leak--I have to cowl it up and fly the bird to see any oil leak, i.e.,
high
> power settings for at least 20 minutes--which messes up my belly and
diffusely
> the left back of the engine. I've tightened all connections to the oil
> cooler (located on the right side of the engine) and cannot pinpoint any
area of
> leakage. This is small enough to not notice any significant reduction in
> crankcase oil level even after a few flights. Anyone got any ideas how
to
> pinpoint this frustrating leak?
>
> Don Schmiesing
> Seattle
> 110 hours on RV-8 417DS
>
>
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