Subaru Legacy 2002 Service Manual page 2029

Differentials
13) Remove oil seal using ST.
ST 499705401 PULLER ASSY
14) Fit a new oil seal using ST.
ST 498447120 OIL SEAL INSTALLER
15) Install companion flange.
NOTE:
Use a plastic hammer to install companion flange.
16) Tighten self-locking nut within the specified
torque range so that the turning resistance of com-
panion flange becomes the same as that before
replacing oil seal.
ST 498427200 FLANGE WRENCH
NOTE:
Use a new self-locking nut.
Tightening torque:
181.4 N·m (18.50 kgf-m, 133.8 ft-lb)
17) Reassembling procedure hereafter is the
reverse of the disassembling.
REAR DIFFERENTIAL FRONT OIL SEAL
B3M1609B
B3M1645A
B3M1608A
DI-60