Definition
Failed bearings produce humming that changes with speed and cornering load.
Hub assemblies on modern cars often integrate the ABS tone ring.
Automotive Wiki
Maintenance
Wheel Bearing
A bearing allowing the wheel hub to rotate smoothly on the spindle or knuckle.
Related terms
- Oil ChangeDraining and replacing engine oil and filter on a service interval.
- Coolant FlushReplacing engine coolant to restore corrosion protection and boiling point.
- Spark PlugAn ignition component creating the arc that ignites the air-fuel mixture.
- Serpentine BeltA single belt driving alternator, power steering, water pump, and accessories.
- Wheel AlignmentAdjusting camber, caster, and toe so tires wear evenly and handle predictably.
- Tire RotationMoving tires to different corners to equalize tread wear over time.
Category: Maintenance · Updated August 31, 2026