a) Clean and remove any dirt located around the differential body filling cap.
b) Gently remove the filling cap. If you notice any seepage around the thread, stop immediately.
Put the cap back on to avoid any oil leaks. This situation indicates that the oil level is
satisfactory. The bottom of the filling hole is the usual service fill level.
Note: Check the oil level only if you notice or suspect leaks. Period oil level checks increase the
risk of the oil level falling or introducing any contaminating materials through the filling hole.
c) If you are only topping up the oil level, fill up to the filling hole with transmission oil that
conforms to specifications.
d) If you are replacing the oil, drain the oil, remove the rear axle closure plate and let the oil run
out into a container. Remove the residue built up on the bottom of the rear axle body.
Apply a seal to the top of the closure plate and put the plate back on the rear axle body.
Top up the level as described in c)
Note: You may drain the oil using a vacuum pump but this method does not remove all the
residues which may have attached to the bottom of the rear axle's body.