1994 Chevrolet S10 Pickup Owner's Manual - Page 273

When lt's Time forNew Tires One way to tell when it's timefor new tires is to check the treadwear indicators, which will appear when your tires have only 2/32 inch (1.6 mm) or less of tread remaining. a You need a new tireif 0 0 You can see the indicators at three more places around the tire. or You can see cord or fabric showing through the tire's rubber. The tread or sidewall is cracked, cut or snagged deep enough to show cord or fabric. The tire has a bump, bulge or split. The tire has a puncture, cut, or other damage that can't be repaired wel because of the size or locationof the damage. Buying New Tires To find out what kmd and of tires you need, look at the size Certificatioflire label. The tires installed on your vehicle when it was new had a Tire Performance Criteria Specification( P C Spec) number on each tire's sidewall. When you get new tires, get ones with that same TPC Spec number. That your way, vehicle will continue to have tires that designed to give proper are endurance, handling, speed rating, traction, ride and other things during normal service on your vehicle. your tires have an all-season tread If design, the TPC number will be followed a "MS" (for mud and snow). by If you ever replace your tires with those not having a Spec number, TPC make sure they are the same size, load range, speed rating and construction type (bias, bias-belted or radial) as your original tires.