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Brake & Front End Back to Training Center Compositions, Functions, and Testing of Friction Brake Materials and Their Additives This 33-page report was prepared as an information resource for the development of advanced brake materials for heavy vehicles. This research is sponsored by the U.S. Department of Energy,Office of Transportation Technologies. It is part of an initia... Removing and Installing a Hub Bearing Assembly Timken Bearings: Removing and installing a hub mearing assembly on a GM 4x4 front wheel with outboard Mounted Rotor Glossary of aftermarket terms Abrasives: Substances used to wear away a surface by friction. Accessories: Comfort, convenience and safety products not essential to the performance of a vehicle, such as audio, security products, f More Training... Alternative Fuels Bodywork Brake & Front End Brake Systems Chassis Collision Customer Service Dealership Electrical Employment Engine Service Fuel Systems Heavy-Duty Truck HVAC Hybrid vehicles Ignition Safety Shop Supplies Tires Tools & Equipment Undercar Underhood