Wheel Alignment and Tire BalanceThe wheels on your vehicle were aligned and balancedcarefully at the factory to give you the longest tire lifeand best overall performance.Scheduled wheel alignment and wheel balancing arenot needed. However, if you notice unusual tire wear oryour vehicle pulling one way or the other, the alignmentmay need to be reset. If you notice your vehiclevibrating when driving on a smooth road, your wheelsmay need to be rebalanced.Wheel ReplacementReplace any wheel that is bent, cracked or badly rustedor corroded. If wheel nuts keep coming loose, thewheel, wheel bolts and wheel nuts should be replaced.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, wheel bolts orwheel nuts, replace them only with new GM originalequipment parts. This way, you will be sure to have theright wheel, wheel bolts and wheel nuts 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.SeeChanging a Flat Tire on page 5-74 for moreinformation.5-71
