There is no lubrication on a bad wheel bearing. A bad wheel bearing needs to be changed as soon as possible. With the wheel bearing replacement cost in mind, you may be wondering if you can drive with a bad wheel bearing. Can You Drive a Car with a Bad Wheel Bearing? Fortunately, wheel bearings last a long time, so you won’t need to change them very frequently. However, they are a great indication of what you can anticipate paying. Once again, these are all just approximations. There are some vehicles that still use a pressed-in hub bearing, where you re-use the original wheel hub, but this is becoming rare. This design makes up most bearings on vehicles today. Often, an axle (often one with a CV joint) also passes through this bearing via a splined surface and has a large hub nut (called a spindle nut) that secures it at the bearing. The bearing then has a hub face, with the wheel studs and tire-mounting surface. These consist of a bearing and flange surface that is bolted directly to the steering knuckle or rear transaxle. Today, aside from rear-wheel drive vehicles that use a solid axle (like trucks), most vehicles use a hub bearing. While some vehicles still retain this style of bearing, it is rare. When removing the brake rotors (or drums) these more old-fashioned bearings could be serviced by packing the bearings with grease. When a rear wheel bearing goes out, the humming or grinding noise is usually constant.īack in the old days, wheel bearings were composed of 2 cone bearings on each front side. It's easiest to hear at speed when you turn the wheel slightly from side to side. Once these bearings begin to deteriorate, a humming noise becomes noticeable. Wheel bearings live a tough life. Most of a vehicle's weight rides on the wheel bearings at the 4 corners of your vehicle.
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