ATF Shoots Out From Filler Tube, White Smoke From Tailpipe
WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: incorrect fluid level, or damaged reverse clutch, high clutch, brake band, forward clutch, overrun clutch, or low and reverse brake.