The ability to replace components such as brake shoes, brake cams, slack adjusters, drums, suspensions parts, springs, airbags, wheel bearings, seals, clutches, starters, alternator, fan hubs, water pumps, fan belts, transmissions, third member, product pumps. Experience and skill level to include the working knowledge of: Suspension, chassis, steering, 5th wheel, drive lines, transmission, air brakes, wheel bearing and seal, external engine component, electrical system, interior cab components, AC repairs, computer engine diagnostic.