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Side Retainer

NOTE: After adjusting the drive pinion backlash and tooth contact, replace the oil seal and O-ring with new parts.

Remove the O-ring.

Fig 1: Identifying Side Retainer O-Ring
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil seal.

Fig 2: Removing Oil Seal
Courtesy of SUBARU OF AMERICA, INC.