Automatic Transmission Torque Converter Problems of Volvo V70

I have a 2001 Volvo V70 xc wagon. The car was revving high for a while when shifting gears, I took it to the dealership, and they told me there wasn't a problem. About a month or so later the etm failed. I was being left stranded at freeway off ramps, and green lights when the car would suddenly die. It's a miracle I wasn't rear-ended! after a terrible experience trying to get the dealership to honor the etm warranty, (they only cleaned the etm they did not replace it-saying it wasn't bad enough!), a month has passed and now my transmission has failed! the dealership gave me a $5300 estimate for replacement as it is unrepairable! I took it to our regular mechanic, and he told me the transmission failure @ 70,000 miles happened because the etm wouldn't allow the torque converter do whatever it is a torque converter does, and that caused the oil to heat up and then the resulting transmission failure. He said there is no one around who will touch my transmission. I have to use a dealer to replace it. I am completely devastated and cannot afford to replace the transmission. The car is a lemon. It has almost caused me to be involved in accidents, and I'd really appreciate it if someone could contact me about what resources I have. You are welcome to test my car! I have read on the internet about others who are experiencing the same problems with their etms and then subsequent transmission failures. Please help!.

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