Wheel Alignment and Tire BalanceThe tires and wheels on your vehicle were alignedand balanced carefully at the factory to give youthe longest tire life and best overall performance.Adjustments to wheel alignment and tire balancingwill not be necessary on a regular basis. However,if you notice unusual tire wear or your vehicle pulling toone side or the other, the alignment may need to bechecked. If you notice your vehicle vibrating whendriving on a smooth road, your tires and wheels mayneed to be rebalanced. See your dealer for properdiagnosis.Wheel ReplacementReplace any wheel that is bent, cracked, or badlyrusted or corroded. If wheel nuts keep coming loose,the wheel, wheel bolts, and wheel nuts should bereplaced. If the wheel leaks air, replace it (except somealuminum wheels, which can sometimes be repaired).See your dealer if any of these conditions exist.Your dealer will know the kind of wheel you need.Each new wheel should have the same load-carryingcapacity, diameter, width, offset and be mountedthe same way as the one it replaces.If you need to replace any of your wheels, wheelbolts, or wheel nuts, replace them only with newGM original equipment parts. This way, you will besure to have the right wheel, wheel bolts, and wheelnuts for your vehicle.{CAUTION:Using the wrong replacement wheels, wheelbolts, or wheel nuts on your vehicle can bedangerous. It could affect the braking andhandling of your vehicle, make your tires loseair and make you lose control. You could havea collision in which you or others could beinjured. Always use the correct wheel, wheelbolts, and wheel nuts for replacement.Notice: The wrong wheel can also cause problemswith bearing life, brake cooling, speedometer orodometer calibration, headlamp aim, bumper height,vehicle ground clearance, and tire or tire chainclearance to the body and chassis.See Changing a Flat Tire (CTS Only) on page 5-84 formore information.5-77
