Replenishing rear differential oil:

Undo oil filler plug (1).

Fig 1: Locating Oil Filler Plug

Check rear differential oil level.

If necessary, pour in rear differential oil up to lower edge of opening for oil filler plug (1).

Installation: 

1. Oil filler plug with sealing ring:

   Replace sealing ring (1).

2. Oil filler plug with O-ring:

   Replace oil filler plug (2).

   Fig 2: Identifying Oil Filter With Sealing Ring