My Explorer, same motor and transmission, has a jerky shift every now and then too. Same place, low load situation. I would say that it is still learning you.
After taking out the fasteners and putting them back in of it is not fixed then maybe make a very long "washer" that goes in to of the frame, between at least 2 of the hold down bolts and tighten that thing down. Maybe it will suck that frame closer to the body.
🤷
Don't be afraid to...
The garbage may very well be true. The catch though, which makes it feel more tangible, is the less than transparent nature of the mother company. Is that a perception? Heck yeah it is perception! But sometimes perception describes truth.