2004 Skidoo Tundra Skandic Series Service Manual, Page 273Get this manual
Section 05 TRANSMISSION Subsection 07 (CHAINCASE)
1, Oil Seal
Using an appropriate pusher, press new oil seal no7 into chaincase hubOil seal must sit flush with case hub edgeINSTALLATION
Reverse removal procedurePay particular attention to the following: Torque castellated nut no14 to 14 Nm (124 lbfin), loosen then retorque to 0.52.5 Nm (522 lbfin)Apply Loctite 20166 (PN 293 800 066) around both threaded holes of cover screwsGrease new gasket no19 with petroleum jelly, or other suitable product, and install it making sure it does not shift from its correct positionTighten bolts evenlyNOTE: Bottom pan has an emboss below chaincase housing to ease installation2