The Ford Sierra, produced between 1982 and 1994, represents a significant era in Ford's automotive engineering, offering a range of body styles including Saloon (Sapphire) and Hatchback. This rear-wheel-drive platform, known as the Ford DEW98, was designed with aerodynamic styling and provided a spacious and versatile interior, catering to both family car and executive car segments. Notable for its dynamic driving characteristics, particularly in its performance variants like the XR4i and the iconic Cosworth models, the Sierra also featured a diverse engine lineup, from the efficient OHC (Pinto) and CVH units to the powerful Cologne V6 and the legendary Cosworth YB turbocharged engines. Its competitive positioning against rivals like the Opel/Vauxhall Cavalier and Volkswagen Passat, combined with its motorsport success, cemented the Sierra's place as a popular and influential vehicle in European, UK, Australian, and South African markets.

This comprehensive factory service and repair manual is designed to be an indispensable resource for maintaining and repairing the Ford Sierra. Covering an extensive range of topics, it details routine maintenance procedures, complex engine mechanical and management system overhauls, transmission servicing, drivetrain components, suspension, steering, and braking systems. Furthermore, the manual provides in-depth information on the electrical system, body and chassis repairs, and HVAC systems. It includes essential troubleshooting guides, diagnostic procedures for advanced fault finding, and detailed technical specifications such as torque values, clearances, and fluid requirements. This English-language manual is tailored for owners, mechanics, and technicians, offering the necessary knowledge to ensure the continued reliability and optimal performance of the Ford Sierra across its many configurations.