Nov 10, 2009 · Prius Axle Seal Leak One of the few common problems with the Gen 2 Prius (MY 2004-2009) is a leaking output shaft seal from the transaxle, always driver’s side. We’ve seen it on Gen 1 Prius as well, but less frequently. It’s not the end of the world, but there’s no question it should be fixed, since the car seldom leaks otherwise. jeck jims 3d models. 2012 -.