Suspension
Wheel Hub Assembly
The wheel hub carries the bearing and the wheel, and houses the ABS sensor ring.
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What it does
- Supports the wheel on the bearing
- Provides the mounting for the brake disc
- Carries the ABS reluctor ring
When it fails
- Humming that changes with speed
- Noise worse turning one way
- Wheel play
- ABS codes
How to diagnose
- Drive and shift load side to side
- Jack and feel for play
- Check the ABS ring
Maintenance
- Replace complete hub units
- Torque the hub nut to spec
Use the diagnosis order. When a part fails, confirm each hypothesis with measurements before replacing anything — codes and symptoms overlap.
Related part
Wheel Bearing
Wheel bearings let the wheel spin freely on the hub with minimal friction.