Local AM radio station has a program on weekends hosted by an independent shop owner. You call in and ask questions, kinda like you do here.

He once mentioned that he had abandoned the flushing with a machine technique. He had one to many cars die while backing them out of his garage. Dirt had apparently dislodged and plugged a vital artery.

Local Valvoline Quick-Lube place was supposedly having people sign a waiver before flushing their transmissions. I'm not sure how they managed to sell that service under those circumstances.

Obviously a lot of people have not experienced this problem.

Personally, I would not go this route.

This is why I do alll of my own maintenance. In a case like yours and I'm assuming the converter has no drain plug, I'd remove and drain the pan and change filter - kind of a rotation scheme. I have an Asian vehicle that I've dome this with for 10 yrs. and 200,000 miles.

My 2 cents.

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'91 300-SEL