What is a wheel hub called?

What is a wheel hub called?

Also called a wheel hub bearing, hub assembly, wheel hub unit or hub and bearing assembly, the wheel hub assembly is a crucial part of your steering system contributing to the safe steering and handling of your vehicle.

When do you replace the wheel hub assembly?

On most late-model vehicles manufactured since 1998, there is a wheel hub assembly in each wheel. When the assembly goes bad, it is removed and replaced with a new assembly.

Where is the wheel hub located on a car?

On each wheel, you’ll find the wheel hub assembly between the drive axle and the brake drums or discs. On the brake disc side, the wheel is attached to the bolts of the wheel hub assembly. While on the side of the drive axle, the hub assembly is mounted to the steering knuckle either as a bolt-on or press-in assembly.

When to replace a wheel and tire assembly?

A good hub assembly should have close to zero lateral movement. If the wheel and tire assembly easily move back and forth, the hub is bad and must be replaced. There are several ways to inspect a wheel hub assembly. In many instances, a hub bearing will make noise without having any noticeable play.

How to diagnose a faulty wheel hub in the garage?

Raise and support the vehicle on a shop hoist. Have an assistant start the vehicle and run it at a moderate speed (about 40 mph). Place a mechanic’s stethoscope (or a long screwdriver) on the back of the steering knuckle where the hub bearing rides.

On most late-model vehicles manufactured since 1998, there is a wheel hub assembly in each wheel. When the assembly goes bad, it is removed and replaced with a new assembly.

On each wheel, you’ll find the wheel hub assembly between the drive axle and the brake drums or discs. On the brake disc side, the wheel is attached to the bolts of the wheel hub assembly. While on the side of the drive axle, the hub assembly is mounted to the steering knuckle either as a bolt-on or press-in assembly.

What does it mean when your wheel hub makes noise?

One, it could signify that the wheel bearing is worn out and warrants replacement. Or two, it could indicate that the entire assembly needs to be replaced, especially if the noise is noticeable when the vehicle is in drive.

Is the wheel hub assembly a safety hazard?

The wheel hub assembly is an essential component of any vehicle. If the wheel hub assembly is not in good operational condition, the wheel can separate from the axle. This is an extreme safety hazard, and repair should never be delayed.