ACONLP

well i pulled the trans. really cant tell where the oil is coming from. going to replace the rear main again.( one from the dealer this time ) going to replace the rear main cover and gasket. or can i buy the cover with the rear main in it already. do i need some tool to line the gasket up, and where do i get it. going to replace the sender on top too. the cam sensor, will it come out with all the intake in place? just where could this oil becoming from. is there any place iam missing. after i replace everything i want to start the car up with out the trans on and see if i fixed the problem or where the oil is coming from

i just feel this oil leak is going to do me in... its really got me down. i have done the search, and i keep finding no answers. are people fixing the problems and not posting what there finding