1996 Oldsmobile 88 Owner's Manual - Page 269

I When to Check NOTICE: Don't let anyone tell that underinflationor you overinflation is all right.It's not. I your tires f don't have enoughair (underinflation), you can get thefollowing: Too much flexing Too much heat Tire overloading Bad wear Bad handling Bad fuel economy. I your tires have much air (overinflation), f too you can get the following: Unusual wear Bad handling Rough ride Needless damage from road hazards. Check your tires once a month or more. It should be at Don't forget your compact spare tire. 60 psi (420 Wa). How to Check Use a good quality pocket-type to check tire gage pressure. You can't tellif your tires are properly inflated simply by looking at them. Radial tires look may properly inflated even when they're underinflated. Be sure to put the valve caps back on the valve stems. They help prevent leaks by keeping out dirt and moisture Tire Inspectionand Rotation Tires should be rotated every 6,000 to 8,000 miles (10 000 to 13 000 km). Any time you notice unusual wear, rotate your tires soon as possible and check as wheel alignment. Also check damaged tires or for wheels. See "When It's Time New Tires" and for "Wheel Replacement" later this sectionfor in more information. The purpose of regular rotation is to achieve more uniform wearfor all tireson the vehicle. The first rotation is the most important. See "Scheduled 6-37