Subaru Forester: Rear differential gear oil
There is no rear differential gear oil level gauge. To check the rear differential gear oil level, consult your SUBARU dealer for inspection.
Recommended grade and viscosity
Each oil manufacturer has its own base oils and additives. Never use different brands together. For details, refer to “Manual transmission, front differential and rear differential gear oil”.
See also:
Cautions on the handling of 4-wheel drive vehicles
Tyres and wheels
Since the driving torque can be applied to the 4 wheels, the driving performance
of the vehicle when operating in 4-wheel drive is greatly affected by the condition
of the tyres. Pay close attention to the tyres.
● Insta ...
Fuel
Use of a fuel which is low in quality
or use of an inappropriate fuel
additive may cause engine damage. ...

Front differential gear oil (AT models)