Parts for your 2022 Subaru Outback-Wheel hubs

2022 Subaru Outback wheel hubs

Based on technical sources including the Subaru Factory Service Manual for MY2022 Outback (Chassis: Front Suspension and Rear Axle – Wheel Hub/Hub Unit Bearing), Subaru’s Global Service Information (STIS), and dealer parts catalogues for the 2022 model, the vehicle is fitted with bolt‑in wheel hub unit bearings on all four corners. So yes — wheel hubs are very much relevant and used on the 2022 Subaru Outback.

The wheel hub on this Outback is a compact, sealed assembly that carries the wheel bearing, wheel studs, and the magnetic encoder for the ABS/traction control system. Its job is to let the wheel spin smoothly, keep the brake disc running true, and feed accurate wheel speed data to the safety systems. Being a sealed unit, it’s designed to be low‑maintenance — there’s no re‑greasing or bearing preload to set — but it does wear over time, especially with rough roads, heavy loads, water crossings, or regular long‑haul kilometres.

Owners typically first notice a tired hub by a humming or droning that gets louder with speed, a faint grinding that changes when cornering, or an ABS/traction control light if the encoder or sensor signal goes wonky. Excess play can also show up as vague steering, uneven tyre wear, or pulsation under braking.

As part of routine servicing on a 2022 Outback, it’s smart to:

• Road test for bearing noise and ABS warnings.
• Check for play with the wheel off the ground (grip at 12 and 6 o’clock).
• Spin the wheel and listen/feel for roughness or notchiness.
• Inspect studs, ABS wiring and connector at the knuckle.

If a hub is due, replacement is straightforward for a trained tech: remove the brake caliper and disc, unplug the ABS lead, undo the bolts from the knuckle and swap the assembly. There’s no re‑packing grease, and the unit is replaced as a whole. Use quality OEM‑equivalent hubs, replace any stretched or corroded bolts, torque everything to factory spec, and clean the mounting face so the new hub seats flat. It’s not usually necessary to do an alignment, but if any suspension arms were loosened, or if there was prior uneven tyre wear, an alignment check is good practice.

Replacing hubs in pairs isn’t mandatory