This CD rom includes complete reproductions of the original printed paper manuals that the dealership mechanics used to repair and service cars. It includes the 3 books - the Passenger Car Factory Assembly Instruction Manual for 1955, 1956, and 1957. The CD manuals gives you assembly illustrations down to the last nut, bolt and screw. It shows exploded views of nearly every mechanical part of the car, and includes part group numbers. Use this CD to help you disassemble or reassemble parts of your car, and or to help identify parts that may be missing or incorrect. The CD contains production and regular production option information. That means that you get information on the base model all the way up to fully loaded. The CD includes illustrations for body mounting, frame, front and rear suspension, brakes, engine, transmission, fuel and exhaust, steering, wheels and tires, sheet metal, electrical, radiator and grille, bumpers, and much more. You will also find accessories and options such as the radio and speakers, heater, and much more. There are exploded views and illustrations, with wiring diagrams, torque specifications, and handwritten revision records. The 1955 manual on the CD has 257 pages, the 1956 manual has 277 pages, and the 1957 manual has 261 pages. This CD covers 1955-1957 Chevrolet cars including 150, 210, Bel Air, Del Ray, wagons, and Nomad. Like all assembly manuals, this is reproduced from books made for use inside the factory, and never intended for the public. Therefore, the images (like the print in original assembly manuals) is occasionally light.