beemerphile1 wrote:
Sounds like the torque converter is locked. It may be able to get unlocked by unplugging the electrical connector.
I did just that on a Buick we had. I was close to the house and it stalled, converter locked up. A neighbor came by. I ran it in neutral while she pushed me with her little Toyota (!) up to 10-mph or so. Put it in drive and made it home. When I got there and stopped, the converter didn't happen to be locked. I pulled the lockup connector off and never looked back. We drove it tens of thousands more miles.
This Allison is far more sophisticated than that old TH-125. Computer controlled. But the Buick stayed locked at random. If you COULD ID the lockup control and disconnect it temporarily, you might catch the converter unlocked and could keep it unlocked to go for help. That said, there's a very real risk the transmission could overheat, running with the converter in constant slippage.
