This comprehensive workshop service repair manual provides a detailed guide for maintaining and repairing your Ford Sierra RS Cosworth, covering models from 1986 to 1992. The manual contains over 1200 pages of information, meticulously organized to ensure you have everything you need at your fingertips. It contains detailed step-by-step procedures, explanations, and pictorial diagrams. This manual includes special notes, important points, service data, precautions, and everything you need for effective maintenance, adjustments, service, removal, and installation of your vehicle’s components. You'll find complete coverage on every aspect of your vehicle, from bumper to bumper. All illustrations and diagrams are clear and easy to understand, making it a user-friendly resource for both professional mechanics and DIY enthusiasts. Specific instructions are given for each component, including adjustment and repair operations, wear limits, and relevant assembly details. The manual emphasizes safety, with clear warnings and cautions to ensure your wellbeing and the protection of your vehicle. Precise torque values and specifications are provided for all procedures, ensuring proper assembly and efficient operation. This manual will equip you with the knowledge and techniques you need to confidently repair and maintain your Ford Sierra RS Cosworth.

The Ford Sierra RS Cosworth, produced from 1986 to 1992, stands as a legendary performance car that forever changed the landscape of rallying and road-going performance. Born from Ford's desire to dominate the Group A touring car racing series, the RS Cosworth was the brainchild of a collaborative effort with renowned motorsport engineers, Cosworth. The car's signature feature was its potent 2.0-liter turbocharged four-cylinder engine, a masterpiece of engineering that delivered a blistering 201 bhp in its early form. This engine, paired with a robust five-speed gearbox and advanced suspension, propelled the Sierra RS Cosworth to incredible speeds, becoming a dominant force in both rally and circuit racing. Its success was further solidified by its homologation, requiring Ford to produce a limited number of street-legal versions for public consumption. The Sierra RS Cosworth's impact extended beyond the racetrack, captivating enthusiasts with its aggressive styling and potent performance. The widened bodywork, featuring a distinctive 'whale tail' rear spoiler and flared wheel arches, emphasized the car's purposeful stance. Inside, the cabin was driver-focused, offering sporty seats and a sophisticated instrument panel. The RS Cosworth's widespread appeal fueled a passionate community of owners who meticulously maintained their prized cars, ensuring their legacy lived on. Today, the Sierra RS Cosworth remains a symbol of automotive excellence, sought after by collectors and enthusiasts alike as a testament to Ford's golden era of performance car engineering. Its unique blend of motorsport-derived technology and road-going practicality continues to inspire awe and admiration, cementing its place in automotive history as an icon of the 1980s.