Topica Loopframe_Guzzi Archive


Subject: Re: Eldo air breather

Author: Bruce Giller

Date: Feb 4, 2002, 7:34 AM

Post ID: 1709559984


Fred,
Yep, there is oil at the bottom of the bell housing. Some which came
from the rear main bearing seal/gasket area and some from the two pipes
leading into the air breather. 90% of the interior surfaces of the bell
housing (both engine and tranny sides) are free of oil. The oil is
relegated to behind the flywheel and there seems to almost as much at
the top of the engine side as there is at the bottom which would
indicate that the air breather is supplying some of the oil.

I'm going to check to make sure that both air breather tubes are free
of obstruction and then wash out the air breather itself with gas. I'll
also have a look at the check valve but a bad check valve just means
that I'd be dumping lots of oil out the outside vent tube to the ground
according to Guzziology.

I never did replace the oil vent tube to the outside (about 3' of the
stuff). What would make a good replacement?

BTW, the rear main bearing carrier popped off the back of the engine
easily yesterday. I had to drill three holes in some flat metal stock
to span the distance between the two bolts (6.5") and one for the center
of my HF&S puller. Getting the seal out of the carrier was harder than
getting the carrier out of the engine.

Bruce

Fred Sahms wrote:
=
 Bruce Giller wrote:
 Seems that the air breather on my Eldo is contributing to the oil leak
inside the bell housing. I found oil coating both internal pipes in the
bell housing which lead to the air breather; one is the oil return line
and the other is the vent from the crankcase. The two rubber hoses that
connect these two metal pipes to the air breather are relatively new
(about 3 years old) and the clamps are tight.

Any suggestions to just how oil is leaking out of them?
Neither pipe is sealed where it exits the bellousing. Perhaps oil mist
is blowing up out of the holes around the pipes from the clutch/flywheel
cavity. Is there any oil at the weep hole at the bottom of the
transmission/motor joint?

73 Eldo in crates
78 T3/949

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