2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 254Get this manual
FINAL DRIVE
AWD FRONT HOUSING REMOVAL
1Stop engine, place machine in gear and set parking brake2Loosen right front wheel nuts slightly3Elevate and support machine under footrestframe areaCAUTION: Serious injury may result if machine tips or fallsBe sure machine is secure before beginning this service procedureWear eye protection when removing and installing bearings and seals4Remove right wheel nuts and wheel5Remove cotter pin, lower ball joint nut and A-arm from ball joint6Punch spring pins out from both axle splines and front prop shaft7Remove bolts securing bottom of housing to frameRemove vent lineRemove housing from right side of frame