> Summary: The OD works when engine is cold or ran for a short
> period of time, but when it warms up of an hour of meeting thermostat
> temp. or more than 40 min. & shut off, then the OD DOESN'T work until
> the engine cools down.
> Questions:
> 1- Is it electrical? If so, what is your thinking? :-\
With the engine not running, it should be easy to hear the distinctive
'clack' as the solenoid engages. If you can hear it, then the problem is
not electrical. The only requirements for the solenoid to engage are :
1) Ignition on
2) Shifter in any of 2,3,4 gear.
3) Switch in the OD position
> 2- Is it mechanical? If so, then What do you think it is? & send your
> view of the remedy to fix it.
How did you adjust the solenoid lever ? If you used the book method with
the drill bit through the hole in the lever, then I would guess adjustment
is the most likely problem. See Nelson's excellent article at
http://www.buckeyetriumphs.org/technical/AOD/AOD4/AOD4.htm
(scroll down about 2/3 for the instructions on setting the lever).
Basically, you have to remove the plug over the operating valve (which means
the tunnel has to be out, sorry), and measure how far the ball moves.
Movement at the ball should be around .015" or 1/64". Less than that can
cause just the symptoms you have.
If that doesn't cure the problem, Nelson has also written up some
step-by-step troubleshooting steps at
http://www.buckeyetriumphs.org/technical/AOD/AOD5/AOD5.htm
(If the above links don't work, go to the Buckeye Triumphs site at
www.buckeyetriumphs.org
click on the link for 'Technical', then scroll down for the articles on
A-type ODs.
Randall
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