What sound might indicate that wheel bearings need replacement?

A grinding noise is commonly associated with worn or damaged wheel bearings. When the bearings begin to fail, the metal surfaces inside can become rough and uneven, causing friction and creating a grinding sound as the wheel rotates. This noise is typically more noticeable when turning or when weight is applied to the vehicle, which changes the load on the bearings.

In contrast, other sounds such as squeaking, hissing, or clunking usually relate to different components or issues in the vehicle. Squeaking noises often indicate a lack of lubrication or can be linked to suspension components, while hissing may suggest a fluid leak, and clunking usually points to loose or damaged parts elsewhere in the suspension system. Recognizing the specific sound of grinding is vital for identifying wheel bearing failure and addressing it promptly to prevent further damage to the vehicle's hub assembly and associated components.