Preparing for my first (on this car) tranny and diff fluid swap, I came across this fluid pump on Amazon which has some rave reviews. I'm going to give it a try and will report back (probably in late May at the rate I am s-l-o-w-l-y approaching the 60k mile mark during the Corona-era).
https://www.amazon.com/Mityvac-MVA68...ustomerReviews