Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Drive Pinion: Assembly
- Install the plug to the drive pinion retainer with a new O-ring.CAUTION:
- Before installing O-rings, apply sufficient amount of CVTF to avoid damage and deformation.
- Use SUBARU genuine CVTF.
- Be careful not to incorrectly install or fail to install O-rings and other such parts.
Tightening torque:
25 N.m (2.5 kgf-m, 18.4 ft-lb)
- Using the ST, install the oil seal to drive pinion retainer.CAUTION:
- Apply CVTF to the press-fitting surface of oil seal and apply differential gear oil to the lip portion.
- Use SUBARU genuine CVTF.
Pulley side
Preparation tool:
ST: OIL SEAL INSTALLER (18657AA020)
Front differential side
Preparation tool:
ST: BUSHING 1-2 INSTALLER (499277100)
- Using the ST, measure drive pinion dimension "A".
Preparation tool:
ST: GAUGE (398643600)
- Using the ST and a press, press-fit a new taper roller bearing inner race (front side).
Preparation tool:
ST: INSTALLER (499277200)
- Using a press, press-fit a new taper roller bearing inner race (rear side) together with a new taper roller bearing outer race.CAUTION: Be careful not to damage the taper roller bearing by applying excessive force.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.