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Side Retainer

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

Using the ST, install the oil seal.
NOTE:
- Use a new oil seal.
- Apply differential gear oil to the oil seal lip and press-fitting surface.
- Oil seal has an identification mark (R, L). When installing oil seals, do not confuse the left and right.
Preparation tool:

ST: DIFFERENTIAL SIDE OIL SEAL INSTALLER (18675AA000)

Fig 1: Installing Differential Side Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
Install the O-rings.

NOTE:

Use new O-rings.
Apply the differential gear oil to O-ring.

Fig 2: Identifying O-Rings

G08318144

Courtesy of SUBARU OF AMERICA, INC.