1998 Pontiac Bonneville Owner's Manual - Page 294

Tire Inspection and Rotation Tires should be rotated every 6,000 to 8,000 miles (10 OOO to 13 OOO km). Any time you notice unusual wear, rotate your tires as soon possible and check as wheel alignment. Also check for damaged tires or wheels. See "When It's Time for New Tires" and "Wheel Replacement" later inthis section for more information. The purposeof regular rotation is to achieve more uniform wear forall tires onthe vehicle. The first rotation is the most important. See "Scheduled for Maintenance Services" in the Index scheduled rotation intervals. Don't include the compact spare tire your tire rotation. in After the tires have been rotated, adjust front the and rear inflation pressures shown on the as Tire-Loading Information label. Make certain that all wheel nutsare properly tightened. See "Wheel Nut Torque" inthe Index. A CAUTION: Rust or dirt a wheel, on theparts to which on or it is fastened, can make wheel nuts become loose after a time. The wheel could come and cause off an accident. When you change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, you can use a cloth a paper towel to do this;but be or sure to use a scraper or wire brush later, if you need to, to get all rust or dirt (See the off. "Changing aFlat Tire" in the Index.) I m4 \ When rotating your tires, always use the correct rotation pattern shown here. 6-43