I just swapped a 97 maxima engine and tranny into my 99 maxima and i had to swap the intake and the egr valve from the 99 maxima to the 97 engine but i cant figure out where a coolant line goes. it comes from a metal line that splits off into 2 lines one goes to the heater core the other im not sure. it would be a huge help if someone could post a link of either pictures or a diagram i really appreciate any help. thanks!