Grasp the tire with gloved hands at the 12/6 position and try to rock the tire and wheel in and out. Set the parking brake, block the rear wheels and support the vehicle with a jack stand under the suspension.

Here are two quick checks that can identify a failing hub. On most front-wheel-drive vehicles, these are factory-assembled and sealed units that are not serviceable. A front-wheel bearing or hub assembly may be the cause. If this doesn't change the noise, the tech may be correct. If this has an effect on the humming noise, the problem is with the tires. A technician at the shop thought it might be the wheel bearings.Ī Have the tires rebalanced and rotated once again, making sure the front tires end up on the rear of the vehicle. The tread looks good, and the tires have only 24,000 miles on them.

When I go around a curve or make a turn, the humming stops. The humming happens only when I'm driving straight ahead.

This summer I noticed the tires were making a 'humming' noise in a kind of off-on-off-on manner. Q I purchased new tires for my 2003 Focus and have had the tires balanced and rotated every 6,000 or 7,000 miles, a total of four times.

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