Parts for your 2016 Subaru Impreza-Wheel hubs

2016 Subaru Impreza wheel hubs: what they do and when to replace them

Yes, the 2016 Subaru Impreza uses wheel hubs. Technical documentation confirms it: the Subaru Service Manual (STIS) for 2016MY Impreza (GJ/GP) includes dedicated procedures titled “Front Axle > Hub Unit Bearing” and “Rear Axle > Hub Unit Bearing,” and the Subaru parts catalogue lists complete hub unit bearings for both axles. That means the vehicle runs sealed, bolt-in hub assemblies that integrate the wheel bearing and tone ring for ABS/ESC.

On the 2016subaruimpreza, the wheel hub unit sits at the heart of each corner, letting the wheel spin smoothly while carrying the car’s weight and dealing with cornering, braking and drive loads. It also provides the mounting face for the wheel and the encoder surface for the ABS sensor, so it’s doing far more than just “holding the wheel on.” Because the assembly is sealed, it’s designed to be low-maintenance and replaced as a unit when worn.

As part of routine servicing, a quick check of the 2016subaruimpreza wheelhubs is smart. A tech will spin each wheel and listen for rumble, feel for roughness, and rock the tyre at 12 and 6 o’clock to pick up play. They’ll also look for ABS faults and any uneven tyre wear that can hint at bearing issues. Keep wheel nuts torqued correctly, avoid blasting the hub area with a pressure washer, and ensure the wheel-to-hub mating face is clean to prevent vibration.

Replacement is straightforward but benefits from the right tools. The hub is a bolt-in unit at the knuckle, the driveshaft spline passes through it, and the axle nut must be renewed and torqued to factory spec, then staked. The ABS sensor needs gentle handling, and the magnetic encoder surface on the hub seal must be kept clean. Corrosion can lock hubs into the knuckle, so penetrating fluid and patience help. After fitting, torque the wheel nuts properly and road test for noise and ABS operation. An alignment check is worthwhile if any suspension fasteners were disturbed.

There’s no fixed change interval, replace on condition. Driving on corrugations, gravel, or through deep water—common in Aussie and Kiwi conditions—can shorten hub life. If one hub fails, the other on the same axle doesn’t have to be changed, but at high kilometres doing hubs in pairs can save downtime.

• Tell-tales for a worn hub: humming that rises with speed, play at the wheel, ABS light, or a rumble that changes in corners.
• Act early—leaving a noisy hub can cook the bearing, affect braking stability, and chew out tyres.

Popular questions about 2016subaruimpreza wheelhubs

How long do 2016 Subaru Impreza wheel hubs typically last?

Many see well over 120,000–200,000 km, but life depends on roads, loads, and tyre choices. Rough gravel, frequent water crossings, and big wheels can shorten their run.

Listen for a rising-speed hum and check for play at each service. Replace on condition rather than time.

What are the symptoms of a bad wheel hub on a 2016 Subaru Impreza?

A steady hum or growl that changes with speed, slight vibration, or a droning that gets louder when turning one way. You might also see an ABS light if the encoder or sensor signal is affected.

During a check, a tech may feel notchiness when spinning the wheel by hand or detect play at the rim.

Can it be driven with a noisy hub for a while?

It’ll often keep rolling, but it’s not a good idea. Heat build-up can escalate quickly, affecting braking performance and tyre wear, and in extreme cases the bearing can seize.

Book it in promptly, replacing the unit hub early is cheaper and safer than waiting for collateral damage.