Subaru 2003 Legacy Service Manual page 88

PERIODIC MAINTENANCE SERVICES
18.Front & Rear Differential Oil
A: REPLACEMENT
1. FRONT DIFFERENTIAL (MANUAL
TRANSMISSION)
For M/T vehicle, manual transmission oil works as
differential oil to lubricate differential. Refer to
"Transmission Oil". <Ref. to PM-27, MANUAL
TRANSMISSION, REPLACEMENT, Transmission
Oil.>
2. FRONT DIFFERENTIAL (AUTOMATIC
TRANSMISSION)
1) Drain differential gear oil by removing drain plug
after allowing the engine to cool for 3 to 4 hours.
NOTE:
• Before starting work, cool off the engine well.
• If transmission gear oil splashes on exhaust
pipe, wipe it clean.
FRONT & REAR DIFFERENTIAL OIL
PM-00034
PM-30
2) Reinstall drain plug after draining differential
gear oil and tighten it to the specified torque.
Tightening torque:
44 N·m (4.5 kgf-m, 32.5 ft-lb)
NOTE:
• Be sure to place a gasket between the transmis-
sion case and drain plug.
• Replace the gasket with a new one.
• Each oil manufacturer has its base oil and addi-
tives. Thus, do not mix two or more brands.
3) Fill differential gear oil through the oil level
gauge hole up to the upper point of level gauge.
Differential gear oil capacity:
1.1 — 1.3 2 (1.2 — 1.4 US qt, 1.0 — 1.1 Imp
qt)
(B)
(C)
(A) Oil level gauge
(B) Upper level
(C) Lower level
(A)
PM-00035