Parts for your 2004 Toyota Highlander-Wheel hubs

2004 Toyota Highlander (Kluger): Wheel Hubs

Wheel hubs are absolutely fitted to the 2004 Toyota Highlander (sold as Kluger in Australia and New Zealand). Toyota’s factory repair manual for the ACU20/MCU28 platform and the Toyota parts catalogue specify hub-and-bearing assemblies at the front and rear, with integrated ABS tone rings. Major bearing and hub manufacturers’ catalogues (e.g., Timken, SKF) also list direct-fit hub units for this model year, confirming the application.

The wheel hub is the bit that ties the wheel, brake rotor and bearing together, keeping everything spinning smoothly and square to the road. On the 2004 Highlander, each hub houses a sealed bearing that supports the vehicle’s weight, provides a mounting face for the rotor and wheel, and carries the ABS encoder so the stability and anti‑lock systems know what each wheel’s up to. When a hub goes crook, it can make the whole car feel rough, noisy, or unsettled under brakes.

While the hub bearings are sealed and don’t need routine greasing, they do benefit from sensible checks as part of regular servicing. A technician will usually spin and rock the wheel (safely lifted) to feel for roughness or play, and eyeball the ABS wire/connector. If there’s damage, noise or looseness, replacement is the go — these hubs aren’t designed to be rebuilt on the bench.

• Common signs it’s time: humming or growling that rises with speed, a droning noise on gentle lane changes, vague steering, uneven tyre wear, ABS light or pulsing at low speed.
• Good practice when replacing: confirm the right hub for FWD vs AWD and ABS, clean the knuckle and rotor mating faces, torque fasteners to spec from the Toyota workshop manual, and get a wheel alignment if the knuckle was disturbed.
• Prevention tips: keep tyres correctly inflated and rotated, avoid potholes and kerb strikes, and fix any brake drag that can overheat the hub.

Owners who rack up big kilometres or drive on coarse chip roads will want any new hub to be from a reputable brand, with the correct ABS encoder type. Done properly, a quality hub should deliver many years of quiet, straight tracking.

How do they know a hub is failing on a 2004 Highlander?

Most people notice a steady humming that gets louder with speed and changes when gently weaving. There may also be steering vibration or an ABS warning. A mechanic can confirm by spinning the wheel and checking for roughness or play, and by road-testing.

Do they replace the bearing alone or the whole hub?

On this model it’s typically a hub-and-bearing unit. The assembly is replaced as one piece rather than pressing in a loose bearing, which helps ensure correct preload and long life. Always match the ABS configuration.

How long do wheel hubs last, and can they be serviced?

They’re sealed units, so there’s no periodic greasing. Many last well past 150,000 km, but harsh roads, potholes, oversize tyres or water ingress can shorten life. Regular checks during service help catch issues early.