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.
2023 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Front Differential Gear
| (1) | Differential side retainer oil seal RH | ||
| (2) | Differential side retainer | ||
| (3) | O-ring | ||
| (4) | Lock plate | ||
| (5) | Differential side retainer oil seal LH | ||
| (6) | Thrust washer | ||
| (7) | Differential bevel gear | ||
| (8) | Differential bevel pinion | ||
| (9) | Oil baffle | ||
| (10) | Spring pin | ||
| (11) | Side bearing outer race | ||
| (12) | Side bearing inner race | ||
| (13) | Side bearing(1) | ||
| (14) | Pinion shaft | ||
| (15) | Differential case | ||
| (16) | Drive pinion | ||
| (17) | Hypoid gear set | ||
| (18) | Drive pinion shim | ||
| (19) | Taper roller bearing (front) outer race | ||
| (20) | Taper roller bearing (front) inner race | ||
| (21) | Taper roller bearing (front) | ||
| (22) | O-ring | ||
| (23) | Drive pinion spacer | ||
| (24) | Drive pinion washer | ||
| (25) | Plug | ||
| (26) | O-ring | ||
| (27) | Knock pin | ||
| (28) | Drive pinion retainer | ||
| (29) | Oil seal | ||
| (30) | Taper roller bearing (rear) outer race | ||
| (31) | Taper roller bearing (rear) inner race | ||
| (32) | Taper roller bearing (rear) | ||
| (33) | Lock nut | ||
| (34) | Plug | ||
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Tightening torque: N.m (kgf-m, ft-lb)
T1: 22 (2.2, 16.2)
T2: 25 (2.5, 18.4)
T3: 43 (4.4, 31.7)
T4: Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>DRIVE PINION>INSTALLATION .
Factory Service Tools
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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.