2008 Polaris Ranger RZR Service Manual, Page 31Get this manual
MAINTENANCE Main GearcaseLubricant Level Check: The fill plug is located on the side of the gearcase just below the shift lever bell crankMaintain the fluid level even with the bottom of the fill plug hole123Position vehicle on level surfaceRemove the fill plugCheck the fluid level
Transfer Case Drain Plug Main Gearcase Drain Plug Transfer Case Lubricant Change: 1234567Fill PlugLevel Check Plug 8Remove the fill plug and the level check plug (refer to "Transfer CaseLubricant Level Check")Place drain pan under the transfer case drain plugRemove the drain plug and allow to drain completelyClean the drain plugReinstall the drain plug with new o-ring and torque to 30-45 inlbs(3-5 Nm)Add the recommended fluid through the fill plug hole until it begins to flow out the check plug holeDo not overfillReinstall the level check plug and torque to 30-45 inlbs(3-5 Nm)Reinstall the fill plug and torque to 40-50 ftlbs(54-68 Nm)
Main Gearcase Lubricant Change: 45If fluid level is not at fill plug hole, add the recommended fluid as neededReinstall the fill plug and torque to 40-50 ftlbs(54-68 Nm)9Remove the fill plug (refer to "Main GearcaseLubricant Level Check")