I did the original 4.4 rebuild in 2021, a very small amount started leaking from the lower oil pan starting after a few months.

The area that did not leak was the upper oil pan gasket, where the person I replied to mentioned using RTV at specific locations, which is NOT necessary on the N62.

The Loctite sealant on the 4.8 rebuild I did yesterday. I have not had oil in it yet, I still need to finish the rest of the rebuild.