In general, if an automatic tranmission works okay when it is cold, but works
poorly (or not at all) when it is warmed up, it can not be saved with additives.
That fact, combined with the terrific amount of leakage described by the owner
would lead me to believe that the subject transmission is "kaa-put".
Paul
In a message dated 4/28/2004 10:03:59 AM Eastern Daylight Time,
cbody67tx@xxxxxxxxxxxxx writes:
> With age and use, sometimes the shuttle valves might get varnished or gummed
>up and if they don't move as they should (manual selection plus fluid pressure
>against spring pressure), the shifts don't happen as programmed. In the old
>days, the best cleaner was Berryman's B-12 in the ATF (as stated on the back
>of the can) and in more modern times there are now other additives to clean
>things up (GM has a great one and Chrysler probably has similar) and also
>swell the seals slightly.
>
> I remember that the Berryman's would turn the fluid black in about 30 minutes
>of use, prior to a full fluid/filter change operation. Even on transmissions
>where the fluid was not
> all that dark already.
>
> Something of this nature might be worth a try.
>
> W Bell
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