1995 GMC Sonoma Owner's Manual - Page 263

Warning: The temperature gradefor this tire is established fora tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, eitherseparately or in combination, can causeheat buildup and possible tire failure. These grades aremolded on the sidewalls of passenger car tires. While the tires available as standard optional equipmenton General or Motors vehicles may vary with respect to these grades, such tiresmeet all General Motors performance standards have been approved for use on and General Motors vehicles. All passenger type Metric) tires must conform (P to Federal safety requirements addition to these grades. in Wheel Alignment and Tire Balance The wheels on your vehicle were aligned and balanced carefully at the factory to giveyou the longest tire life and overall performance. best In most cases, you will not need to have your wheels aligned again. However, if you notice unusual tirewear or your vehiclepulling one way or the other, the alignment may need to be reset. If you notice your vehicle vibrating when drivingon a smooth road, yourwheels may need to be rebalanced. Wheel Replacement Replace any wheelthat is bent, cracked,or badly rusted or corroded. If wheel nuts keep coming loose,the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes berepaired). See your GM dealerif any of these conditions exist. Your dealer will know thekind of wheel you need. Each new wheel should havethe same load carryingcapacity, diameter, width, offset, and be mounted the same as the oneit replaces. way If you need to replace any your wheels,wheel bolts, or wheel nuts, of replace them only with new GM original equipment parts. Thisway, you will be sureto have the right wheel, wheel bolts, and wheel nuts for your vehicle. 6-45