The 1979 Datsun 200SX, part of the first generation (S110) with chassis code S110, is a sporty compact coupe and hatchback known for its modern design and spirited driving characteristics. As a key model for Datsun during the 1970s, it offered a blend of affordability, reliability, and performance, making it a competitive entry against other Japanese and American rivals. Powered typically by the L20B 2.0-liter inline-four engine, it delivered approximately 97-100 horsepower, providing an engaging driving experience for its era. The vehicle was manufactured in Japan by Nissan and was available with a 4-speed manual or a 3-speed automatic transmission.

This Workshop Service Manual (WSM) provides comprehensive service and repair information for the 1979 Datsun 200SX. It covers all essential vehicle systems, including detailed procedures for engine service, fuel and emissions, transmission overhaul, drivetrain, suspension, steering, brakes, and the electrical system. The manual also details routine maintenance tasks, diagnostic troubleshooting, component replacement, and rebuilding procedures for major assemblies, along with critical torque specifications. This resource is designed to assist owners and professional technicians in maintaining the vehicle's condition, performing repairs efficiently, and ensuring its longevity.