GM Service Manual Online
For 1990-2009 cars only
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Object Number: 231490  Size: SH
  • In order to equalize tire wear, rotate the tires at intervals specified in Maintenance and Lubrication in General Information. If you notice uneven tire wear, investigate the cause. Refer to Rotating the Tires for the only recommended method of tire and wheel rotation.
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  • Due to design, radial tires tend to wear faster in the shoulder area, particularly in drive locations. Radial tires in non-drive locations may develop and irregular wear pattern that can generate tire noise. This wear makes regular rotation especially important.
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  • Always use a four-wheel rotation. After rotation, be sure to measure wheel nut torque and set the tire pressure. Never use oil or grease on the wheel bolts or nuts.
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  • On vehicles with P245/50ZR16 tires, follow special rotation provisions because the tires are directional. refer to Rotating the Tires For the recommended rotation.
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  • Rotate the tires. If you have directional tires, be sure the color-coded arrows on the tires roll.
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  • Balance the tires and wheels using a polyester-coated clip-on wheel balancing weights.
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  • Adjust the tire pressures and tighten the wheel nuts to the specified torque. Refer to Wheel Removal and Wheel Installation .