1993 Chevrolet Lumina Owner's Manual - Page 232

Service & Appearance Care Temperature-A, B, C (CONT.) Warning: The temperaturegrade for this tireis established for a tire that is properly inflated and notoverloaded. Excessive speed, underinflation, or excessive loading,either separately or in combination, can cause heat buildup and possible tire failure. Those gradesare molded on the sidewalls of passenger cartires. While the tires available as standard or optional equipmenton General Motors vehicles may vary with respect these to grades, all such tires meet General Motors performance standards and have been approved for on General use Motors vehicles.All passenger type (P Metric) tires must conform to Federal safety requirementsin addition to these grades. Replace any wheel is bent, cracked that I or badly rusted. If wheel nuts keep The wheels on your vehicle were coming loose,the wheel, wheel bolts, aligned and balanced carefully at the and wheelnuts should be replaced. If factory to give you the longest tire life the wheel leaks airout, replace it and best overall performance. (except some aluminum wheels, which In most cases,you will not need to have can sometimes berepaired). See your your wheels aligned again. However, if Chevrolet dealerif any of these you notice unusual tire wear or your conditions exist.Your dealer will know I vehicle pulling one way or the other, the the kind of wheel you need. alignment may need to be reset. If you Each new wheel should have same the notice ycur vehicle vibrating when diameter, width, driving on a smooth road, your wheels load carrying capacity, offset, andbe mounted the same wayas may need to be rebalanced. the one it replaces. If you need to replace anyof your wheels, wheel bolts, or wheel nuts, replace them only with GM new original equipmentparts. This way, you will besure to have the right wheels, wheel bolts, and wheel for your nuts Chevrolet model. Wheel Alignment and Tire Balance Wheel Replacement 230