Side Retainer

Install the oil seal.
CAUTION:
- Apply transmission gear oil to the oil seal lips, and install the oil seal while being careful not to deform the lip.
- When press-fitting the oil seal to the side retainer, tap with a plastic hammer etc. to press in.
- Never use a press.
- Check the identification marks (L, R), attach the oil seal RH and LH.
NOTE: Use a new oil seal.

ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

Fig 1: Installing Oil Seal Using Differential Side Oil Seal Installer
Courtesy of SUBARU OF AMERICA, INC.
Install the O-ring.
NOTE:
- Use new O-rings.
- Do not stretch or damage the O-ring.
  
  Fig 2: Identifying Side Retainer O-Ring
  Courtesy of SUBARU OF AMERICA, INC.