2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 248Get this manual
FINAL DRIVE
AWD STRUT CASTING FRONT DRIVE AXLE SEAL REPLACEMENT
1Disassemble front hubRefer to page 7.32Remove the cotter pin and castle nut from the Aarm ball jointSeparate A-arm from ball joint
3Remove the spindle and axle assembly from the strut casting bearing by pulling the strut outward as shownDrive out the old seal, taking care not to damage the tapered roller bearingInstall the new seal until it bottoms against the shoulder in the strut casting4Apply grease to the seal inner lip, reinstall the spindle and axle assembly5Reinstall the A-arm to the ball jointTorque to 25 ftlbs(35 Nm)NOTE: If the cotter pin hole does not align at the above torque, tighten slightly until the cotter pin hole aligns and install the pin with open ends toward rear of machine