That is correct. I took a garden pump sprayer and filled it with new ATF. pumped it in until it ran out the holes at the bottom. The capillary action helps it creep and travel while it displaces the water thus preventing further rusting. It's by no means a solve all but it can't make it worse. In not into tearing up the floor from inside for one hole in the back. I'll save that for later Down The road.

 

You yanked instead of a steady pull didn't you? Not downing you, just that's never a good way to recover vehicles unless yours is larger. I've seen the hitches bust off and go flying through tailgates/hatches from that.