2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 167Get this manual
Section 03 ENGINES (2-STROKE) Subsection 07 (AXIAL FAN COOLING SYSTEM)
552 Engine Using holder wrench (PN 529 036 006), remove fan nutAll Engines Remove fan with pulley halfA23C07A
1Ring supporting fan housing
Remove circlip no11 then remaining bearingTo install, press one bearing in place then install circlip and shimsPress the other bearing from opposite side until it is flush with housingPress fan shaft from engine side of fan housingCheck for free rolling action
A03C22A
INSTALLATION
At assembly, apply light coat of Loctite 243 (blue) (PN 293 800 060) on screw no1 threadsA gasket must be placed on both sides (inner and outer) of intake and exhaust holes of cylinder cowl no4 and 5Reinstall fan protector no18 properly