Owner's Manual
Page 351
... determine what kind of the filler plug hole, you may need to add some lubricant. See "Recommended Fluids and Lubricants" in the Index. When the differential is cold, add enough lubricant to raise the level to 1/2 inch (12 mm) below the bottom of lubricant to the bottom of the filler plug...
... determine what kind of the filler plug hole, you may need to add some lubricant. See "Recommended Fluids and Lubricants" in the Index. When the differential is cold, add enough lubricant to raise the level to 1/2 inch (12 mm) below the bottom of lubricant to the bottom of the filler plug...