Most likely the oil leak is either the infamous head gasket leak from the rear corner of the engine or the infamous valve cover gasket leak from the back side of the engine. The idiots who designed the engine thought it would be neat to make the gasket surfaces very thin and crappy! Note to everyone, they may click or tick with this bad gasket issue as not enough oil is not getting up into the head until the engine warms. Headgasket in a can can't fix this problem! This is a repair for a seriously demented individual, as it is in a horrible spot and everything is in the way and has to come out or get moved. Good luck!
Maybe the asker should take their vehicle to a mechanic and have the concern properly diagnosed... 'Oil leaking' is a statement, not a question.
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