what kind of oil is required for rear differential and where and how much to buy on 2004 Mitsubishi Outlander

my car is mitsubishi 2004 awd 2.4 l my rear wheels make a noise when i move the car from the driveway but after 1 km it is ok.I got my brake service done pads and drum all new.

Asked by for the 2004 Mitsubishi Outlander
Standard EP 80/90W GL-5 oil is used in the rear differential, less than 1 quart capacity.