Side Retainer

2016 Subaru Legacy 2.5iSECTION Side Retainer
WARNING: This page is about a different variant/trim than selected.
NOTE: After adjusting the backlash and tooth contact, replace the oil seal and O-ring of side retainer with new parts.
  1. Press-fit the bearing outer race to side retainer.
  2. Using the ST, install the oil seal.
    NOTE:
    • Use a new oil seal.
    • Apply differential oil to the oil seal lip.
    • Oil seal has an identification mark (R, L). When installing oil seals, do not confuse the left and right.

    ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

    Fig 1: Installing Oil Seal Using Differential Side Oil Seal Installer (ST 18675AA000)
    G06654730Courtesy of SUBARU OF AMERICA, INC.
  3. Install the O-rings.
    NOTE:
    • Use new O-rings.
    • Apply gear oil to O-ring.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.