Thanks for the reply! I was successful in replacing the seal. I also replaced the coupler, the clutch, and the agitator dogs. The washer's timer was also not advancing so I replaced the timer as well.
Now I am having a new problem and I am about ready to try the baseball bat approach. The washer will fill, fast agitate, and slow agitate perfectly but when it is time for the spin step (I think) after the slower agitation, the washer just makes a humming, electrical buzzing sound. If I advance the timer a tiny bit, it will finish the load without any more problems, although on the last attempt I had to spin the tub a little manually before the washer would engage and spin. I am out of things to try. Am I missing something obvious here?
Thanks in advance (again),