need help on a oil leak

[158gsrturbo158]

my turbo gsr has a leak at the rear of engine soaked all around the oil pan so i changed the gasket but it still leaks someone said it was my oil pressure valve but it doesnt seem to be the problem need help plz

 

[INJEN78]

when you did the gasket,did you clean the surfaces well,and apply a dab of rtv on all corners?

 

[158gsrturbo158]

yeah

 

[INJEN78]

hmm.torque them to the correct specs??