2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 294Get this manual
FINAL DRIVE Assembly
1Support bottom of bearing carrier housing
Installation
1Insert bearing carrier on drive shaft2Align bottom of carrier housing and lower control armGrease and slide lower control arm bushings into place, securing corner housing3Install and torque both lower control arm bolts
2Start bearing in housing
Lower Control Arm Bolt Torque: 37 ftlbs(50 Nm) 4Lift bearing carrier until top aligns with upper control armInstall and torque upper control arm bolt and torque to specification3Press bearing into place until outer race bottoms on housing