The Volvo P1800, produced between 1961 and 1973, is a classic sports coupe renowned for its elegant design and robust engineering, embodying Volvo's commitment to safety and durability. With a distinctive styling and a reputation for exceptional longevity, famously demonstrated by Irv Gordon's record-breaking 3 million miles, the P1800 has secured its place as a design icon. Powered by the B18 engine, which evolved from an overhead valve to an overhead camshaft configuration, and available with manual or automatic transmissions, this vehicle offers a blend of performance and reliability that appeals to enthusiasts seeking a timeless driving experience. This Workshop Service Manual in English provides comprehensive guidance for Volvo P1800 owners and technicians. It covers all essential aspects of maintenance, repair, and technical specifications, including detailed procedures for engine overhauls, transmission servicing, chassis adjustments, brake system maintenance, and electrical system diagnostics. The manual features step-by-step instructions, accompanied by diagrams, to facilitate routine maintenance, troubleshooting of common issues, and complete rebuilds, empowering users to effectively care for their P1800 and preserve its enduring quality.