Differential Gear Oil - Subaru LEGACY 2004 Service Manual

DIFFERENTIALS

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-26, REPLACEMENT, Differen-
tial Gear Oil.>
2) Check that the gear oil level is up to the bottom
of filler plug hole. If the level is low, refill up to the
bottom of filler plug hole.
• Except for VA2-type
(A)
(B)
(A) Filler plug
(B) Drain plug
• VA2-type
(B)
(A) Filler plug
(B) Drain plug
B: 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.
Differential Gear Oil
DI-00354
(A)
DI-00355
• Except for VA2-type
(A) Filler plug
(B) Drain plug
• VA2-type
(B)
(A) Filler plug
(B) Drain plug
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:
⋅
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, 21.4 ft-lb)
4) Fill the differential carrier with gear oil to the bot-
tom of filler plug.
NOTE:
• Carefully refill oil while watching the level. Exces-
sive or insufficient oil must be avoided.
DI-26
(A)
(B)
DI-00356
(A)
DI-00357