1998 Chevrolet Express Van Owner's Manual - Page 285

I A CAUTION: If you operate yourvehicle witha tire that is An badly underinflated, the tire can overheat. overheated tire can lose air suddenly or catch fire. You or others could be injured. sure all Be tires (including the spare) properly inflated. are If you ever replace your tires with thosenot having a TPC Spec number, make sure they the same size, are load range, speed rating construction type (bias, and bias-belted or radial) as your original tires. Buying New Tires To find out what kind and of tires you need, look at size the CertificatiodTire label. had The tires installed on your vehicle when it was new a Tire Performance Criteria Specification (TPC Spec) number on each tire's sidewall. When you new tires, get get ones with that sameTPC Specnumber. That way your vehicle will continueto have tires that are designed to give proper endurance, handling, speed rating, traction, ride and other things during normal service on your vehicle. If your tires havean all-season tread design, the TPC number will befollowed by an "MS" (for mud and snow). Mixing tires couldcause you to lose control while driving. If you mix tires of different sizesor types (radial and bias-belted tires), the vehicle may not handle properly, and could have a crash. you Using tires of different sizes may also cause damage to your vehicle. Be sure touse the same size and type tires allwheels. on