Mike, one common cause especially with newly rebuilt units is the cone clutch
sticking. There was a case recently in another forum that I frequent where a
sharp whack on the brake band with a hammer freed it so that would be a simple
test for you to try if the OD sticks on and remains on when you stop.
Other causes could be faulty electrics but that should not persist after the
system is shut down and I think the A type has more convoluted set up
requirements that seem quite picky before the OD will engage and disengage
cleanly.
Lots of opinions about oil, I had my box and OD rebuilt by John Esposito a few
years ago and stick with his recommendation of non detergent 30W which I get
from the local NAPA.
http://www.quantumechanics.com/categories.php?op=newindex&catid=11
Stan
-----Original Message-----
From: 6pack-bounces+stan.foster=hp.com@autox.team.net
[mailto:6pack-bounces+stan.foster=hp.com@autox.team.net] On Behalf Of michael
lunsford
Sent: Monday, September 08, 2008 8:01 PM
To: 6pack@autox.team.net
Subject: [6pack] OD doesn't disengage
What would cause the OD on my 69 TR 6 not to disengage. When I initially got
the car to going after it had been stored for 14 years the OD engaged
sporadically. I replaced the solenoid and the OD now engages just fine but
only rarely disengages as it should. I checked the fluid level on the tranny
and it is up to the fill plug. I even added a small spring to return the
lever the solenoid activates back to its non engaged position but that didn't
seem to help. I haven't drained the transmission yet but it looks like that
is the next step along with removing and cleaning the filter. Still, it
would
seem that if there is enough pressure to engage the OD the fluid shouldn't be
the cause of the problem.
MIke Lunsford, 1969 and 1970 TR 6
PS: Is there any concensus on the type of oil to use in the trans? I've
heard everything to 85-90 gear oil to motor oil to ATF. I usually try to
stay
with whatever is already in the trans if I can determine what that is.
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