What does a wheel hub do?
First and foremost, the wheel hub assembly keeps your wheel attached to your vehicle and allows the wheels to freely turn enabling you to safely steer. The wheel hub assembly is also critical to your anti-lock braking system (ABS) and the traction control system (TCS).
What happens when a wheel hub goes bad?
Steering Wheel Vibrations A faulty wheel hub and bearing assembly can also cause a vibration felt in the steering wheel. A faulty wheel hub and bearing assembly can also cause a vibration felt in the steering wheel. Often, the sensation will change with vehicle speed or while the vehicle is cornering.
What are the parts of the wheel hub?
The Components Within A Wheel Hub Assembly Hub. Inner and outer wheel bearings and races. Wheel studs (where the wheel goes on and is secured by lug nuts) Seal (keeps water out of the bearings)
What holds the wheel hub in place?
Bearing location Just as with an undriven wheel, there must be a pair of bearings – an inner and an outer – to hold the hub steady and allow it to rotate smoothly.
How is a wheel connected to a car?
The centre hole in the wheel fits over the axle hub, and it’s the part that supports the vehicle’s weight. The smaller holes around it go over the wheel studs. Once the studs poke through, wheel nuts – also called lug nuts – are spun on and tightened, which holds the wheel onto the axle.
What causes wheel hub failure?
There are four primary causes of hub failures. They are lack of lubrication, overloading the vehicle, installing the axle nut too tight, or installing the axle nut too loose. Usually, hub failures are progressive and will produce some evidence of the impending failure.
Is a wheel bearing and hub the same thing?
A major difference between the two is how they are assembled. Wheel bearings can be taken apart, lubricated and reassembled to be used again. Hub bearings are pre-packed at the manufacturer’s factory and are sold and installed as a complete unit. These cannot be taken apart for re-lubrication, but must be replaced.
What are front hubs?
The hub is used to connect the wheel to the vehicle. On a rear-wheel drive vehicle this is the front wheels and on a front-wheel drive vehicle it is the rear wheels. The hub assembly is mounted on a stub axle, which is connected to the suspension of the vehicle.