Question about 2003 Ford Explorer Sport Trac

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My front end makes a loud humming noise. At low speeds, I hear a humming noise and at high-speeds I can hear a noise in my tires. Not sure if it is an the wheel bearings, bad tires, or alignement.

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Alignment will not create a sound by it's self. The most common cause of humming (especially if you have an agressive tread design)is a wear pattern in the tires...check for that or rotate the tires around & see if the noise changes. If it does then you know it's in the tires. & Not always, but most of the time a bearing noise will increase or decrease in intensity if you load up one side at a time by doing 35-50 mph & turning slightly to each side.

Posted on Sep 30, 2009

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