1997 Chevrolet Lumina Owner's Manual - Page 273

When to Check Check your tires once a monthor more. Don't forgetyour compact spare tire. It should be at 60 psi (420 kPa). How to Check Use a good quality pocket-type gage to check tire pressure. You can't tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflatedeven when they're underinflated. Be sure to put the valve caps back on the valve stems. When rotating your tires, always use the correct rotation They help prevent leaks by keeping out dirt and moisture. pattern shown here. Tire Inspection and 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 as soon as possible and check 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 purpose of regular rotationis to achieve more uniform wearfor all tires on the vehicle. first The rotation is the most important. See "Scheduled Maintenance Services" in the Index for scheduled rotation intervals. Don't include the compact spare tire in your tire rotation. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the Tire-Loading Information label. Make certain thatall wheel nuts are properly tightened. See "Wheel Nut Torque" in the Index.