Used Parts Build

[SCOTI]

Originally Posted by aggie91

The hole has to do with environmental compliance for waste that effect storm water run office. It is quicker and more effective at draining the MOST oil out of a transmission when it is brought in to a yard. If you look at the plug on his pan above, the drain plug would leave a significant amount of fluid in the pan if that is the only method to drain the oil. ALSO, a lot of transmission pans from the factory did not have drain plugs and the quickest and cheapest why is the poke a hole in the pan.

I understand about the environmental concerns & actions. Poking a hole in a 'good' spot on a non-drain plug equipped pan I get. Poking a 2nd hole inches away from a drain plug I don't get when tilting the object nets the same effect.