Kenworth PremierCare® ExpressLube Service is available for heavy and medium duty trucks at participating Kenworth dealers in the United States and Canada. The service offers a four-filter oil change, complete chassis lube and 20-point vehicle inspection. The inspection includes a check of belts, hoses, tires, wheels, springs, U-bolts, bushings, shocks, brake lining and components, exhaust system mounting, fluid levels, instrument gauges, lights, reflectors, glass, mirrors and horns.