Differential Side Retainer

WARNING: This page is about a different car, the 2021 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Using the ST, install a new oil seal by lightly tapping with a plastic hammer.
CAUTION:
- Apply transmission gear oil to the oil seal lips, and install the oil seal while being careful not to deform the lip.
- Check the identification marks (R, L), and attach the oil seal RH and LH.
Preparation tool:

ST: DIFFERENTIAL SIDE OIL SEAL INSTALLER (18675AA000)

Courtesy of SUBARU OF AMERICA, INC.
Install a new O-ring.
NOTE:
- Apply transmission gear oil to O-ring.
- Do not stretch or damage the O-ring.
- Install the O-ring after adjusting the backlash of the hypoid driven gear and the preload of the taper roller bearing.
Courtesy of SUBARU OF AMERICA, INC.