It really was the flange that was leaking; the o-ring was squished, hardened, and cracked. Replaced it with a nitrile 22mm ID x 3mm thick o-ring. So it wasn't caused by the fitting hitting the firewall during motor/trans mount replacement.
Starting to see a pattern here. Had to replace the tee (drain valve) fitting under the vacuum pump a couple of months ago. It was crumbling to pieces, could have been catastrophic but caught it blocks from home.
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1985 744 gle d24t
1985 745 gle d24t
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