subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Rear Differential Front Oil Seal|Page 3218 > < Rear Differential Front Oil Seal|Page 3216
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14. Fit a new oil seal using ST.

ST 498447120 INSTALLER

15. Install the companion flange.

NOTE:  Use a plastic hammer to install the companion flange.

16. Tighten the self-locking nut within the specified torque range so that the preload of companion flange becomes the same as that before replacing

oil seal.
Except STi model 
ST 498427200 FLANGE WRENCH 
STi model 
ST 18633AA000 WRENCH COMPL

NOTE:  Use a new self-locking nut.

17. Hereafter, reassemble in the reverse order of disassembly.
18. Fill the differential carrier with gear oil to the bottom of filler plug hole after installing. 

Rear Differential Front Oil Seal|Page 3218 > < Rear Differential Front Oil Seal|Page 3216