1993 Pontiac Firebird Owner's Manual - Page 254

When to C k k : Check your tires once a Tire Inspectionand Ratation month ar more. Don't forgetyour To make yourtires last longer, have them compact spare tire. It shouldbe at 60 psi inspected androtated at the mileages (420 kPa). recommended in the Maintenance Schedule. See "Scheduled Maintenance How to Check: Use a good quality pocket-type gage to check tire pressure. Services" in the Index. Simply looking at the will not tell tires If YOU don't haveP24515OZR16size tires, yau the pressure, especially ifyou have use the rotation patternshown above for radial tires - which may look properly your size tires. inflated even if they're underinflated. If yam tires have valve caps, sure ta be put them backon. They help prevent leaks by keeping out dirt and moisture. 1 b After the tires have n rotated, adjust the front md rear inflationpressure as s h w n on the Ti-Loading Information label. Make certain that wheel nuts are all prapefly.tightened. %e 'Wheel Nut Torque" in the Index. 253. I I