Wheel Alignment and Tire BalanceThe tires and wheels on your vehicle were aligned andbalanced carefully at the factory to give you the longesttire life and best overall performance. Adjustments towheel alignment and tire balancing will not be necessaryon a regular basis. However, if you notice unusual tirewear or your vehicle pulling to one side or the other, thealignment might need to be checked. If you notice yourvehicle vibrating when driving on a smooth road, the tiresand wheels might need to be rebalanced. See yourdealer/retailer for proper diagnosis.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/retailer if any of these conditions exist.Your dealer/retailer 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,wheel nuts, or Tire Pressure Monitor System (TPMS)sensors, replace them only with new GM originalequipment parts. This way, you will be sure to have theright wheel, wheel bolts, wheel nuts, and TPMSsensors for your vehicle.{ CAUTION:Using the wrong replacement wheels, wheel bolts,or wheel nuts on your vehicle can be dangerous.It could affect the braking and handling of yourvehicle, make your tires lose air and make youlose control. You could have a collision in whichyou or others could be injured. Always use thecorrect wheel, wheel bolts, and wheel nuts forreplacement.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 on page 6-78 for moreinformation.6-75