Need advice

#1

2002 montecarlo ss 2.8 v6 46.000 mileswhat up guys.my low coolant light came on again.after i looked really close found oil on the manifold cover.the black plactic cover that they have over the engine.oil on the back of the cover hard to find,what exactly could this be and what is it going to cost me.unfilmilar with this and.made aptt to take it into the mechanic.do not know what to expect.thanks dominic

#2

3.8 v6 46.000 miles my mistake.any advice would be really helpfull.NEED SOME ADVICE THANKS