I just spent some time curing a oil leak on a Saturn. It seems the rear\nmain or maybe the oil pan area. In the intersection of all three parts Oil\nPan, Rear Main Housing, and engine block in just that little corner as it\nbends around the oil pan was a leak (I should say a pour). Well after 2\ntimes with the oil pan and once with the rear main and it still leaking I\ngot to the point of welding it all together when I decided to (with the help\nof my son) just to start the motor with the flywheel attached and very fast\nremove it right after shutdown and see where it was coming from and low\nbehold a brass type fitting between the rear main and starter. Well this is\nwell documented (NOT). I hope this helps anybody else and if anybody needs\nmore info just post. Oh ya this fitting was only finger tight (no comment!).