Re-insert the transmission drain plug into the transmission housing and hand tighten.

Using a 3/4" wrench, tighten down the transmission drain plug.

It is important to not over-tighten the drain plug. Tightening the plug too much can strip the threads on the aluminum housing. The plug should be tight, but not too tight. The correct torque specification is 14 - 21 ft-lbs (168 - 252 in-lbs).