Differential Gear Oil: Replacement

1. Lift up the vehicle.
2. Remove the differential gear oil drain plug using TORX® bit T70, and drain the differential gear oil completely.
   CAUTION:

   • Immediately after the vehicle has been running or after idling for a long time, the differential gear oil will be hot. Be careful not to receive burns.
   • Be careful not to spill differential gear oil on the exhaust pipe to prevent it from emitting smoke or causing a fire. If differential gear oil is spilled on the exhaust pipe, wipe it off completely.
3. Replace the gasket with a new part and tighten the differential gear oil drain plug using the TORX® bit T70.

Tightening torque: 

Aluminum gasket 

44 N.m (4.5 kgf-m, 32.5 ft-lb) 

Copper gasket 

70 N.m (7.1 kgf-m, 51.6 ft-lb) 

Fig 1: Identifying Differential Gear Oil Drain Plug
Courtesy of SUBARU OF AMERICA, INC.
4. Lower the vehicle.
5. Fill the differential with differential gear oil from the level gauge hole.

   Recommended gear oil: 

   Refer to RECOMMENDED GEAR OIL , SPECIFICATION, General Description.

   Gear oil capacity: 

   1.1 - 1.3 l (1.2 - 1.4 US qt, 1.0 - 1.1 lmp qt) 

6. Check the level of differential gear oil.

Refer to INSPECTION , Differential Gear Oil.