Differential Gear Oil: Replacement

1. Jack-up the vehicle and support it with rigid racks.
2. Remove the oil drain plug and filler plug, and drain the gear oil.
   CAUTION: Be careful not to burn your hands, because gear oil becomes extremely hot after running.
   • Except for VA2-type
     Fig 1: Identifying Filler Plug And Drain Plug - Except For VA2-Type

     Courtesy of SUBARU OF AMERICA, INC.
   • VA2-type
   Fig 2: Identifying Filler Plug And Drain Plug - VA2-Type

   Courtesy of SUBARU OF AMERICA, INC.
3. Tighten the oil drain plug.
   NOTE:

   • Apply liquid gasket to the drain plug threads for T-type.

   Liquid gasket: 

   THREE BOND 1105 (Part No. 004403010) or equivalent 

   • Use a new aluminum gasket for VA1-type.
   • Use a new metal gasket for VA2-type.

   Tightening torque: T-type: 

   T-type: 

   49 N.m (5.0 kgf-m, 36.2 ft-lb) 

   VA1-type: 

   34 N.m (3.5 kgf-m, 25.3 ft-lb) 

   VA2-type: 

   29 N.m (3.0 kgf-m, 21.7 ft-lb) 

4. Fill the differential carrier with gear oil to the bottom of filler plug.
   NOTE:

   • Carefully refill oil while watching the level. Excessive or insufficient oil must be avoided.

   Recommended gear oil: 

   < Ref. to ,  SPECIFICATION  , General Description.> 

   Oil capacity: 

   0.8 lambda (0.8 US qt, 0.7 lmp qt) 

   • Except for VA2-type
     Fig 3: Identifying Filler Plug And Drain Plug - Except For VA2-Type

     Courtesy of SUBARU OF AMERICA, INC.
   • VA2-type
   Fig 4: Identifying Filler Plug And Drain Plug - VA2-Type

   Courtesy of SUBARU OF AMERICA, INC.
5. Install the filler plug.

Liquid gasket: 

THREE BOND 1105 (Part No. 004403010) or equivalent 

• Use a new aluminum gasket for VA1-type.
• Use a new metal gasket for VA2-type.

Tightening torque: 

T-type: 

49 N.m (5.0 kgf-m, 36.2 ft-lb) 

VA1-type: 

34 N.m (3.5 kgf-m, 25.3 ft-lb) 

VA2-type: 

29 N.m (3.0kgf-m, 21.7 ft-lb)