Differential Gear Oil: Replacement

CAUTION:

Gear oil is extremely hot just after driving. Be wary of receiving burns.
Be careful not to spill the differential gear oil on exhaust pipe. If gear oil is spilled, wipe it off completely.

Lift up the vehicle.
Remove the drain plug and filler plug, and drain the gear oil.
- T-type
  
  Fig 1: Identifying Drain And Filler Plug (T-Type)
  Courtesy of SUBARU OF AMERICA, INC.
- VA1-type
  
  Fig 2: Identifying Drain And Filler Plug (VA1-Type)
  Courtesy of SUBARU OF AMERICA, INC.
Install the drain plug.
NOTE:
- For the T-type, degrease the thread portion sufficiently and apply liquid gasket to the drain plug.
  Liquid gasket:
  
  THREE BOND 1105 (Part No. 004403010) or equivalent
- For VA1 type, use a new gasket.
  Tightening torque:
  
  T-type
  
  49 N.m (5.0 kgf-m, 36.1 ft-lb)
  
  VA1-type:
  
  50 N.m (5.1 kgf-m, 36.9 ft-lb)
Fill the differential carrier with gear oil to the bottom of filler plug.
NOTE: Carefully refill gear oil while watching the level. Excessive or insufficient oil must be avoided.

Recommended gear oil:

Ref. to DIFFERENTIALS>General Description>SPECIFICATION .

Oil capacity:

0.8 L (0.8 US qt, 0.7 Imp qt)
- T-type
  
  Fig 3: Identifying Differential Carrier Filler And Drain Plug (T-Type)
  Courtesy of SUBARU OF AMERICA, INC.
- VA1-type
  
  Fig 4: Identifying Differential Carrier Filler And Drain Plug (VA1-Type)
  Courtesy of SUBARU OF AMERICA, INC.
Install the filler plug.
NOTE:
- For the T-type, degrease the thread portion sufficiently and apply liquid gasket to the filler plug.
  Liquid gasket:
  
  THREE BOND 1105 (Part No. 004403010) or equivalent
- For VA1 type, use a new gasket.
  Tightening torque:
  
  T-type:
  
  49 N.m (5.0 kgf-m, 36.1 ft-lb)
  
  VA1-type:
  
  50 N.m (5.1 kgf-m, 36.9 ft-lb)