Djerms,
Kung galing sa half moon malayo yan, hirap kasi kung front crankshaft oil seal ang tinamaan, like pajerokid said daming tatangalin, sa rear naman baba transmission. I have the same problem may tagas inbetween the transmission and the engine kala ko rear crankshaft oil seal, I had my pick-up lifted sa gas station and checked it buti nalang sa oil pan gasket lang sa next change oil ko na papa ayos, as long as hinde malakas ang tagas pwede pa yan, wag lang magbabawas ng oil.