kthdwn

when i put it in drive it wont do anything, i have to turn overdrive off then it drives fine . i can put it in overdrive once up to speed , until i stop then have to shut overdrive off again. is it just the torque converter bad?

transmaster

Welcome to the forum unfortunately the news is not good about your E4OD

You have a damaged (overruns both ways) Overdrive one way clutch. All the power that comes into the transmission in first through third gears comes in through the OD one-way clutch. There is also a coast clutch that will perform the same function as the OD one-way, but it is only intended to provide engine braking. Since it is only meant for engine braking it is a very small clutch pack and does not perform the work of moving the vehicle forward well, that is why you get the sluggishness. The coast clutch is only applied when OD is cancelled, or manual first or second is selected. This is why your transmission works under these conditions. In OD normal operation is that the coast clutch is off and the OD one-way is overrunning, therefore, OD works normally.

In other words it's overhaul time,