2011 Polaris Ranger RZR ATV Service Manual, Page 295Get this manual
FINAL DRIVE 9Inspect each differential bearing and race for signs of wear or damageIf bearing replacement is required, use standard bearing puller tools to remove the bearing races12Inspect the pinion shaft by rotating the assembly in the gearcase housing while checking for any looseness or roughnessInspect the pinion gear for chipped, worn, or broken teethIf damaged, replace the gearcase assemblyNOTE: In the event damage to the gears, pinion bearings or housing requires replacement, the entire assembly must be replaced13Remove the differential solenoid from the gearcase if servicing the solenoid, shift lever, shift lever spring, or shift yokeIf none of these items are being serviced, the solenoid can remain installed in the gearcase