The dealer took the van and replaced the tranny. They said that the one installed has some improvements than the original - but I have not seen anything written.
It was a good time to replace the rear engine seal ($100 vs $850)!!! I had a leak in this seal, but no more!
My new problem is now a code for no evaporative pressure in my tank. So far, a new gas cap seems to be resolving that problem.
I hope the tranny gets more than 90k miles this time around.