The Citroën GS, model designation GS810, produced between 1970 and 1979, represents a significant chapter in automotive innovation. Developed under Project D and designed by Robert Opron, this compact family car was lauded for its revolutionary aerodynamic styling and its signature hydropneumatic suspension, which provided an exceptionally comfortable ride and self-leveling capability. Its horizontally opposed, air-cooled four-cylinder engine, mounted ahead of the front wheels, and front-wheel-drive layout contributed to its distinctive character. Recognized with the European Car of the Year award in 1971, the GS was celebrated for its advanced engineering and unique design, making it a standout vehicle in its segment.

This comprehensive workshop repair service manual, written in English, provides detailed information for the maintenance and repair of the Citroën GS810. It covers all major systems, including the engine, transmission, suspension, brakes, steering, electrical systems, and bodywork, offering step-by-step instructions for diagnosis, troubleshooting, and repair. The manual also includes scheduled maintenance procedures, technical data tables with torque specifications and fluid capacities, and information on known issues specific to the model. This resource is designed to assist owners, mechanics, and technicians in preserving the performance, reliability, and safety of their Citroën GS vehicles.