Subaru Impreza 2003 Service Manual page 2205

2. Differential Gear Oil
A: INSPECTION
1) Remove the filler plug and then check the gear
oil. If it is contaminated or deteriorated, replace the
gear oil. <Ref. to DI-25, REPLACEMENT, Differen-
tial Gear Oil.>
2) Check the gear oil level is up to the bottom part
of filler bolt. If the level is low, refill up to the bottom
of filler bolt.
(A)
(A) Filler plug
(B) Drain plug
B: REPLACEMENT
1) Jack-up the vehicle and support it with sturdy
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.
(A) Filler plug
(B) Drain plug
3) Tighten the oil drain plug.
NOTE:
• Apply fluid packing to the drain plug for T-type.
• Use a new aluminum gasket for VA-type.
Fluid packing:
THREE BOND 1105 (Part No. 004403010) or
equivalent
DIFFERENTIAL GEAR OIL
(B)
DI-00047
DI-00048
Tightening torque:
T-type
49 N·m (5.0 kgf-m, 36.2 ft-lb)
VA-type
34 N·m (3.5 kgf-m, 25.3 ft-lb)
4) Fill the differential carrier with gear oil to the up-
per plug level.
NOTE:
Carefully refill oil while watching the level. Excess
or insufficient oil must be avoided.
Oil capacity:
Except STi model:
0.8 2 (0.8 US qt, 0.7 Imp qt)
STi model:
0.9 2 — 1.1 2(1.0 — 1.2 US qt, 0.8 — 1.0
Imp qt)
(A) Filler plug
(B) Drain plug
5) Install the filler plug.
NOTE:
• Apply fluid packing to the filler plug for T-type.
• Use a new aluminum gasket for VA-type.
Fluid packing:
THREE BOND 1105 (Part No. 004403010) or
equivalent
Tightening torque:
T-type
49 N·m (5.0 kgf-m, 36.2 ft-lb)
VA-type
34 N·m (3.5 kgf-m, 25.3 ft-lb)
DI-25
DIFFERENTIALS
(A)
(B)
DI-00049