2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 209Get this manual
attention to the following details Verify condition of half housing seal no24Change seal if necessaryCheck all bearings and all oil sealsChange them if necessary
Unscrew bolt no15 retaining the coupling sleeve to differentialRemove oil seal no25Unscrew the pinion nut no26Remove the bearing no27 at the same time as the pinion gear no28
V04H06A
V04h06a2.EPS
Subtract measure "B" from measure "A"Note this result "C"A-B=C Remove ring gear then install pinion gear into housingMeasure distance between mounting surface and the pinion shim surfaceThis is measure "D"