2004 Skidoo Tundra Skandic Series Service Manual, Page 278Get this manual
Section 05 TRANSMISSION Subsection 08 (GEARBOX)
REMOVAL
Drain gearbox oil
Remove rear suspensionRemove angle drive and square pin from bottom of gearboxRemove mufflerUnbolt RH end bearing then pull drive axle toward right side
A29D0LA
A29D0NA
1Bottom pan drain hole nearby gearbox drain plug