The transmission was squealing so I decided to replace. At the same time I thought why not replace a bunch of parts to make the washer like new. AppliancePartsPro to the rescue with their videos and quick delivery of parts.
The challenge was the transmission shaft was rusted to the tub and the agitator gear was rusted to the transmission shaft. I had to break out the agitator and use a puller to get that gear off the shaft. Then I had force out the transmission shaft out of the tub using penetrating oil and a hammer. After about 2 hours, I finally got everything apart. Reassembly with all the new parts was very easy and took only about a half hour.
Had the transmission shaft not been rusted to the tub, it would have been a very easy project.