Vehicle Care 303{ WarningIf different sized wheels are used,there may not be an acceptablelevel of performance and safety iftires not recommended for thosewheels are selected. Thisincreases the chance of a crashand serious injury. Only use GMspecific wheel and tire systemsdeveloped for the vehicle, andhave them properly installed by aGM certified technician.See Buying New Tires 0 301 andAccessories and Modifications0 250.Wheel Alignment and TireBalanceThe tires and wheels were alignedand balanced at the factory toprovide the longest tire life and bestoverall performance. Adjustments towheel alignment and tire balancingare not necessary on a regularbasis. Consider an alignment checkif there is unusual tire wear or thevehicle is significantly pulling to oneside or the other. Some slight pull tothe left or right, depending on thecrown of the road and/or other roadsurface variations such as troughsor ruts, is normal. If the vehicle isvibrating when driving on a smoothroad, the tires and wheels may needto be rebalanced. See your dealerfor proper diagnosis.Wheel ReplacementReplace any wheel that is bent,cracked, or badly rusted orcorroded. If wheel nuts keep comingloose, the wheel, wheel bolts, andwheel nuts should be replaced.If the wheel leaks air, replace it.Some aluminum wheels can berepaired. See your dealer if any ofthese conditions exist.Your dealer will know the kind ofwheel that is needed.Each new wheel should have thesame load-carrying capacity,diameter, width, offset, and bemounted the same way as the one itreplaces.Replace wheels, wheel bolts, wheelnuts, or Tire Pressure MonitorSystem (TPMS) sensors with newGM original equipment parts.{ WarningUsing the wrong replacementwheels, wheel bolts, or wheelnuts can be dangerous. It couldaffect the braking and handling ofthe vehicle. Tires can lose air,and cause loss of control, causinga crash. Always use the correctwheel, wheel bolts, and wheelnuts for replacement.CautionThe wrong wheel can also causeproblems with bearing life, brakecooling, speedometer orodometer calibration, headlampaim, bumper height, vehicleground clearance, and tire or tirechain clearance to the body andchassis.
