Rear Differential Side Oil Seal: Replacement

Remove the rear differential. Ref. to DIFFERENTIALS>Rear Differential (T-type)>REMOVAL Ref. to DIFFERENTIALS>Rear Differential (VA-type)>REMOVAL .
Remove the rear differential side oil seal using a ST or screwdriver wrapped with vinyl tape to prevent the side retainer from scratching.
ST 398527700 PULLER ASSY

Fig 1: Removing Rear Differential Side Oil Seal Using Special Tool
Courtesy of SUBARU OF AMERICA, INC.
Using the ST, install the oil seal.
CAUTION: Pay attention to the left and right of the oil seal.
NOTE:
- Use a new oil seal.
- Apply differential gear oil to the oil seal lips.
- T-type
ST 398437700 OIL SEAL INSTALLER

Fig 2: Installing Rear Differential Oil Seal Using Special Tool (T-Type)
Courtesy of SUBARU OF AMERICA, INC.
- VA1-type
ST 498447100 INSTALLER

Fig 3: Installing Rear Differential Oil Seal Using Special Tool (VA1-Type)
Courtesy of SUBARU OF AMERICA, INC.
Install the rear differential. Ref. to DIFFERENTIALS>Rear Differential (T-type)>INSTALLATION . Ref. to DIFFERENTIALS>Rear Differential (VA-type)>INSTALLATION .