Paul,
No crack(s) around the fill plug opening?
To the best of my knowledge,
a helicoil is wound like a spring and is not intended to seal -- just hold. I
could see oil being wicked past the helicoil like a speedo cable. Teflon tape
may not cut it, as it would only seal the threads, not the spiral. Have you
tried working so good old fashioned, non-hardening gasket sealer into the
helicoil? Like you would a bearing race? Have you asked what it would cost
to weld up the hole part way and cut new threads? Brazing material might
work.
Just random thoughts before I fix my first cocktail of the evening.
Good luck.
Gary
________________________________
From: Paul Kort
<paulsdatsunstuff@gmail.com>
To: John F Sandhoff <sandhoff@csus.edu>
Cc:
Roadster Stuff <datsun-roadsters@autox.team.net>
Sent: Thursday, August 7,
2014 2:53 PM
Subject: Re: [Roadsters] Everyone on summer vacation?
My
roadster is garage bound with a leaky differential. The drain plug is
fine,
but it leaks at the fill plug. I tried a new plug, Teflon tape,
Loctite
Thread Sealer, but still had a drip. Looking closely at the axle
housing, I
can see that a PO ad installed a heli-coil. Not sure what I
might try next to
fix it, but at least I know where I can get a different
axle. I just hate to
think of the work involved in swapping it out.
Paul
Ohio
On Thu, Aug 7,
2014 at 1:21 PM, John F Sandhoff <sandhoff@csus.edu> wrote:
> It's been seven
days since any postings here :-(
>
> I hope that means everyone's out cruising
in the summer sun :-)
> (except, of course, for our Southern Hemisphere
members...)
>
> -- John
> John F Sandhoff sandhoff@csus.edu
Sacramento, CA
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