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A loud humming sound while driving your 2013 Chevrolet Equinox could be caused by a few things. One common reason is a faulty wheel bearing, which can happen fairly often. You might mainly hear the humming at specific speeds. Another potential culprit could be uneven tread depths on your tires. If one tire has uneven wear, it could produce a louder noise at most speeds compared to the softer humming or grinding noise from the wheel bearings. If you're hearing a deep humming or whirring noise, it might be due to lack of lubrication in the differentials or a failing transmission. Let's hope it's not the latter, as that would be a costly repair.
A typical sign of a faulty wheel bearing on a 2013 Chevy Equinox is a loud humming noise emanating from that specific wheel, similar to the sound of noisy tires on the road.