I had about a teaspoonful after each run from my first to last drive in
my BJ7 (30+ years- it now sits awaiting me to get a Round Tuit).
Funny thing was when I bought him new, I promptly returned to the dealer
to fix the leak. So the BMC dealer pulled the transmission, fiddled
around, said it was fixed, etc.- clueless. I didn't figure out the oil
thrower and Archimedes screw until I tore the engine down many years later.
Isn't there a funny quote from one of the Healey clan to the effect that
LBC oil leaks are deliberate to inhibit rust?
Regards,
Pete Pollock
Editorgary@aol.com wrote:
> In a message dated 5/17/08 2:41:15 PM, healeys-request@autox.team.net writes:
>
>
>
>> I also
>> wiped down the tranny and engine oil pan. This morining I noticed this a
>> small amount of oil leaking through the small hole at the bottom of the
>>
> bell
>
>> housing. Any idea what the cause may be? Thanks.
>>
>>
>
> Believe it or not, that little hole is a design feature! In fact, there
> should be a cotter-pin in the hole that wiggles to keep the hole from getting
> clogged up. Under normal operating conditions, oil collecting around the rear
> of
> the drive-shaft would be thrown back into the sump by the combination of
> negative crankcase pressure and the Archimedes Screw (for fun, look that up on
> "How
> Things Work") milled into the crank, but when the engine is shut down, the
> pressure changes, the Screw stops screwing, and a little oil from the crank
> seeps
> into the bottom of the bell housing and out that little hole. That having been
> said, leakage shouldn't be more than a few drops; if you're getting a puddle,
> then the crank opening has been worn out of round and the oil isn't being
> kept in the engine. At that point, it's time for serious consideration of a
> rear
> oil seal and checking the engine (bearings and compression) against the
> possibility that a rebuild may be in order.
>
> Cheer
> Gary
>
>
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