Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
12. Remove the oil seal using ST.
ST 499705401 PULLER ASSY
13. Fit a new oil seal using ST.
ST 498447120 DRIFT
14. Install the companion flange.
NOTE: Use a plastic hammer to install companion flange.
15. Tighten the self-locking nut within the specified torque range so that the turning resistance of companion 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 Nm (18.50 kgf-cm, 133.8 ft. lbs.)
16. Reassembling procedure hereafter is the reverse of the disassembling.
17. Fill the differential carrier with gear oil to the filler plug level.