There is a vent in the transmission/overdrive. It is in the top of
the overdrive unit. When they were built new there was a small piece
of thick paper tubing over the vent and I have had a couple of cars
over the years that this was still on the overdrive causing a
pressure build up and a leak.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Nov 13, 2010, at 7:15 AM, Bob Spidell wrote:
> Interesting that BN1s, BN4s, BN6s don't have a seal and all the
> rest do (including BN2s). None of the gearboxes have a vent AFAIK
> (maybe the O/D's big brass plug leaks on purpose).
>
>
> bs
>
>
> On 11/13/2010 1:07 AM, Alan Seigrist wrote:
>> Bill -
>>
>> I was thinking of using a lip seal, but I seem to recall that someone
>> mentioned that pressure will build up in the box when it is warm and
>> then oil will leak out the selector shaft and side cover area,
>> possibly, but I can't be sure. It would be great if someone knows.
>>
>> Alan
>>
>>
>>
> *******************************************************************
> Bob Spidell San Jose, CA bspidell@comcast.net
>
> *******************************************************************
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