Banks power Drain tube leak

[riotwarrior]

Crack on thread of oil sender extension maybe?

***** to get at bt remove sender extension thoroughly clean and INSPECT it add liquid thread sealant install...NO TEFLON TAPE!!!!!

INSPECT sending unit it could be NFG if ok thread sealant and install

Maybe steam off engine and think about UV additive to oil before doin the above...try locate lrak with UV dye