1994 Chevrolet Astro Owner's Manual - Page 266

Inflation - Tire Pressure The Certificatioflire label which ison the rear edge of the driver's door, shows the correct inflation pressures your tires, when they're for cold. "Cold" means your vehicle has been sitting at least three hours or driven for no more than a mile. NOTICE: Don't let anyonetell you that underinflation overinflation is or air all right. It's not. If your tires don't have enough (underinflation) you can get: 0 Too much flexing Too much heat Tire overloading Bad wear Bad handling Bad fuel economy. 0 0 0 If your tires have too much air (overinflation), can get: you @ Unusual wear Bad handling Rough ride Needless damage from road hazards. 0 6 6 When to Check Check your tiresonce a month or more. Don't forget your compact spare tire. It should be 60 psi (420 kPa). at How to Check Use a good quality pocket-type gage check tire pressure. Simply looking to at the tires will not tell you the pressure, especially have radial tires if you - which may look properly inflated even if they're underinflated. If your tires have valve caps, be to put them back They help prevent sure on. leaks by keeping outdirt and moisture.