Front & Rear Differential Gear Oil - Subaru Legacy 2005 Service Manual

15.Front & Rear Differential Gear
Oil
A: REPLACEMENT
1. FRONT DIFFERENTIAL (MT MODEL)
Front differential gear oil for MT model lubricates
the transmission and differential together. Refer to
"Transmission Oil" for replacement procedure.
<Ref. to PM-26, Transmission Gear Oil.>
2. FRONT DIFFERENTIAL (AT MODEL)
1) Drain the differential gear oil by removing drain
®
plug using TORX BIT T70.
NOTE:
• Before starting work, cool off the differential gear
oil well.
• If front differential gear oil adheres to the exhaust
pipe, wipe it off completely.
• 4AT model
• 5AT model
2) Replace the gasket with new one, and then tight-
en the drain plug to specified torque.
Tightening torque:
⋅
44 N m (4.5 kgf-m, 32.5 ft-lb) (Copper gasket)
⋅
70 N m (7.1 kgf-m, 51.6 ft-lb) (Alminum gas-
ket)
3) Fill differential gear oil through the oil level
gauge hole up to the upper point of level gauge.
Front & Rear Differential Gear Oil
PM-00169
PM-00170
PM-29
PERIODIC MAINTENANCE SERVICES
Recommended gear oil:
Refer to "RM" section. <Ref. to RM-3, LUBRI-
CANTS, RECOMMENDED MATERIALS, Rec-
ommended Materials.>
NOTE:
Each oil manufacturer has its base oil and addi-
tives. Thus, do not mix two or more brands.
Differential gear oil capacity:
4AT model
1.1 — 1.3 2 (1.2 — 1.4 US qt, 1.0 — 1.1 Imp
qt)
(A)
(B)
(C)
(A) Oil level gauge
(B) Upper level
(C) Lower level
5AT model
1.3 — 1.5 2 (1.4 — 1.6 US qt, 1.1 — 1.3 Imp
qt)
(A)
(A) Oil level gauge
(B) Upper level
(C) Lower level
3. REAR DIFFERENTIAL
1) Drain the oil by removing drain plug.
2) Remove the filler plug for quick draining oil.
3) Install the drain plug after draining oil.
NOTE:
• Apply liquid gasket to the drain plug threads for
T-type.
• Use a new gasket for VA-type.
(A)
PI-00183
(A)
(B)
(C)
PI-00184