Is this the return tube on the rear main cap? The current Moss instructions
for the rear seal recommend that we drill a couple of extra drain holes:
http://www.mossmotors.com/graphics/products/PDF/837-005.pdf
2. Drill two extra 3/8" (10mm) diameter oil drain holes in bottom or rear
main cap, (one each side of the original hole) at a similar angle. (Fig 3)
This will remove all unnecessary pressure from the seal, and will not affect
your oil pressure, or the main bearing lubrication.
Bob Kramer
Volente, TX
Perfection is not attainable, but if we chase perfection we can catch
excellence.
Vince Lombardi
----- Original Message -----
From: <n197tr4@cs.com>
To: <fot@autox.team.net>
Sent: Wednesday, April 21, 2010 9:24 PM
Subject: [Fot] OILY AMBRO.....Progress. Damaged and Blocked Return Tube at
rear bearing block.
> This morning I pulled the engine. First time since final assembly last
> year.
>
> Cool! Never removed tilt forward body or radiator...
>
> Engine came out easily from the side...of course everything is easy to get
> to.
>
> Oil Leak: Return tube on bearing block had been upset slightly and a small
> piece of contamination completed the blockage. I am pretty sure this is
> the
> cause of the leak.
>
> If I reassemble and it still leaks, I may keep it to myself......:-)
>
> If it was the tube that was blocked, this situation was certainly self
> inflicted. First time in forty years. Never have checked this tube before,
> which causes me to think the scroll seal is blamed unfairly once again, in
> other cars.
>
> I took a small drill and bored it out. It is slightly oversized
> now...which is
> likely a good thing.
>
> Put this on your check list if you have not already..... and thanks for
> all of
> the support.
>
> Joe A....
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>
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