2013 Chevrolet Silverado 1500 Crew Cab Owner Manual - Page 439

Vehicle Care . 10-63 The tread or sidewall is cracked, cut, or snagged deep enough to show cord or fabric. The tire has a bump, bulge, or split. The tire has a puncture, cut, or other damage that cannot be repaired well because of the size or location of the damage. . . inflation pressure, and check for damaged tires or wheels. If the unusual wear continues after the rotation, check the wheel alignment. See When It Is Time for New Tires on page 10‑65 and Wheel Replacement on page 10‑70. If your vehicle has dual rear wheels, also see Dual Tire Rotation on page 10‑65. Use this rotation pattern when rotating the tires if the vehicle has single rear wheels. Tire Rotation Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule on page 11‑3. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire Use this rotation pattern when rotating the tires if the vehicle has dual rear wheels (except polished forged aluminum wheels). Vehicles with polished forged aluminum dual wheels have three unique wheels; a front, a rear outer and a rear inner. These wheels cannot be rotated