The guide "How It's Done, Opel Ascona A and B, Manta A and B" provides comprehensive information on the maintenance and repair of the Opel Ascona and Manta models produced between 1970 and 1988. With over 400 detailed illustrations, the individual work steps are clearly explained, making it highly beneficial for both experienced mechanics and hobbyists. The guide includes troubleshooting tables to assist in diagnosing issues, as well as wiring diagrams that facilitate locating faults in the electrical system. The topics cover all important areas, including the engine, fuel system, exhaust system, clutch, transmission, shifting, axles, steering, braking system, wheels and tires, bodywork, as well as electrical systems and instruments. This guide is an essential reference for anyone looking to work on these classic vehicles.