This comprehensive Ford Sierra RS Cosworth 1985 Service Repair Manual is packed with detailed information designed to empower both seasoned mechanics and DIY enthusiasts. It offers a wealth of technical insights directly from the manufacturer, ensuring accurate and reliable guidance for every aspect of your vehicle. Dive into the intricacies of your Ford Sierra RS Cosworth 1985 with detailed descriptions of each component, expertly illustrated diagrams, and comprehensive instructions for assembly, disassembly, cleaning, repair, and maintenance. This manual covers a wide range of topics, including: * **Mechanical and Technical Specifications:** Gain a deep understanding of your vehicle's performance parameters and specifications, providing a foundation for informed decision-making. * **Introductory Mechanics:** Lay the groundwork for successful repairs with clear explanations of fundamental mechanical principles and concepts. * **Equipment Elevation:** Learn about the equipment and tools necessary for efficient and safe work on your vehicle. * **Collisions:** Navigate the complexities of collision repair, with guidance on proper procedures and considerations for safety and restoration. * **Products and Supplies:** Find recommendations for the best products and supplies for various maintenance and repair tasks, ensuring optimal results. * **Painting:** Gain insights into the art of vehicle painting, from preparation to application, ensuring a professional finish. * **Detailed Component Descriptions:** Acquire a thorough understanding of every part of your Ford Sierra RS Cosworth 1985, from the engine to the bodywork, empowering you with a complete picture of your vehicle's operation. This manual provides a valuable resource for anyone looking to maintain, repair, or simply learn more about the iconic Ford Sierra RS Cosworth 1985.

The Ford Sierra RS Cosworth, a high-performance version of the Ford Sierra, was launched in 1985 and quickly became a legend in the automotive world. The car's development was a collaboration between Ford and the renowned motorsport engineering firm Cosworth, aiming to create a homologation special for Group A touring car racing. The heart of the RS Cosworth was its powerful 2.0-liter turbocharged four-cylinder engine, developed by Cosworth. This engine, known as the YB, produced an impressive 204 horsepower (152 kW) in standard trim, making it one of the fastest production cars of its time. The engine was coupled to a five-speed manual gearbox, driving the rear wheels through a limited-slip differential. The Sierra RS Cosworth featured a unique aerodynamic body kit, including a distinctive rear wing and front spoiler, contributing to its impressive handling and stability. The car also featured a stiffened suspension system, larger brakes, and a wider track compared to the standard Sierra, further enhancing its performance capabilities. Beyond its remarkable performance, the Ford Sierra RS Cosworth was also highly regarded for its practicality and everyday usability. Its spacious interior, comfortable seats, and relatively large trunk space made it a viable choice for both daily driving and weekend adventures. The car's unique design and sporty character made it a popular choice among enthusiasts, and its performance prowess cemented its status as a true icon of the 1980s. Over the years, the Ford Sierra RS Cosworth has become a highly sought-after classic car, with values steadily increasing. Its association with motorsport, its powerful engine, and its distinctive styling have ensured its enduring legacy as a legendary performance vehicle. Today, the Sierra RS Cosworth remains a symbol of Ford's commitment to innovation and performance, a testament to the enduring power of engineering excellence.