What does the wheel bearing do? Wheel bearings are essential to the operation of your vehicle. While you are drivin? your wheels rotate on a bearing that is attached to a stationary axle. When these bearings are first installe? they are greased to facilitate a smooth turn of the wheel. Over tim? this grease breaks down and wears off - leaving the bearing to grind against the metal of the axle. How do you know you need your wheel bearings replaced? You notice a noise coming from the wheel. This noise could be a squea? a howl or even (in extreme cases) a grinding sound How are the wheel bearings replaced by a mobile mechanic? The car is mounted on jacks right in your driveway (or parking lot) The affected wheel? brakes and hubs are removed from your vehicle The affected bearing is removed and replaced along with the hubs and brakes The wheels are reinstalled on your vehicle How important is having your wheel bearing replaced? Having properly rotating wheel bearings is essential to the operation of your vehicle. If the bearing wears dow? the wheel itself can become loose and pose a danger to not only those riding in your vehicl? but all others on the road. If you notice any noises originating from your wheel? it is best to limit driving until you can get a mechanic to look at it. Luckily we can come right to you!