1997 Buick Century Owner's Manual - Page 309

Wheel Alignment and Tire Balance The wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. Scheduled wheel alignment and wheel balancing arenot needed. However, if you notice unusual tire wear or your vehicle pullingone way or theother, the alignment may need to be reset.If you notice your vehicle vibrating when driving on a smooth road, your wheels may need to be rebalanced. Your dealer will know the kind of wheel you need. Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as the one it replaces. If you need to replace any of your wheels, wheel bolts or wheel nuts, replacethem only with new GM original equipment parts. This way, you will be sure to have the right wheel, wheel bolts and wheel nuts for your Buick model. Wheel Replacement Replace any wheel that 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 somealuminum wheels, which can sometimes be repaired). See your Buick dealer if any of these conditions exist. I I/!\ CAUTION: 1 Using the wrong replacement wheels, wheel bolts or wheel nutson your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. could havea You collision in which you others couldbe injured. or Always use the correct wheel, wheel bolts and wheel nuts for replacement. 6-43