1998 Chevrolet Express Van Owner's Manual - Page 288

Wheel Replacement Replace any wheel that is bent,cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts and wheel nuts shouldbe replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes be repaired). See your dealer if any of these conditions exist. Your dealer will know the kind of wheelyou need. Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as theone it replaces. If you need to replace any of your wheels, wheel bolts or wheel nuts, replace them only with new GM original equipment parts. This way, you will besure to have the right wheel, wheel bolts and wheel nuts for your vehicle. I A CAUTION: Using the wrong replacement wheels, wheel bolts or wheel nuts on your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make lose control. You could have you a collision in which you or others could be injured. Always use the correctwheel, wheel bolts andwheel nuts for replacement. I NOTICE: The wrongwheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire or tire chain clearance to the body and chassis.