This comprehensive Service and Repair Manual provides an in-depth guide to maintaining and repairing your Ford Escort RS Cosworth and Sierra RS Cosworth. It covers every aspect of your vehicle, from engine overhauls and rebuilding to brake and sunroof maintenance. You'll find detailed instructions for replacing the timing belt, troubleshooting and diagnostics, computer diagnostic trouble tree charts, engine performance tuning, and front end and alignment procedures. The manual also includes specifications for suspension, transmission removal and installation, air conditioning service and capacities, transmission in-car servicing, computer diagnostic codes, firing orders, detailed specifications for every model covered, factory maintenance schedules and charts, serpentine belt routings with diagrams, timing belt service procedures, brake servicing procedures, driving concerns, complete torque specifications, U-joint and CV-joint service procedures, repair procedures, complete wiring diagrams, hundreds of illustrations, and vacuum diagrams. This manual is a valuable resource for both do-it-yourselfers and professional mechanics, providing everything you need to keep your Ford Escort RS Cosworth and Sierra RS Cosworth running smoothly.

The Ford Escort RS Cosworth and Sierra RS Cosworth are iconic performance cars that hold a special place in automotive history, particularly for enthusiasts of rally racing and high-performance driving. These models, born from Ford's collaboration with motorsport giant Cosworth Engineering, epitomize the spirit of "homologation specials" - road-legal versions of competition cars designed to meet regulatory requirements and gain a competitive edge in racing. The Escort RS Cosworth, launched in 1992, was a revolutionary hatchback that blended sharp styling with a powerful engine and advanced technology. Its distinctive, aerodynamically sculpted bodywork, featuring flared wheel arches to accommodate wider tires and a large rear wing, was a testament to its racing heritage. Under the hood resided a 2.0-liter turbocharged four-cylinder engine, developed by Cosworth, producing 227 horsepower and 224 lb-ft of torque. The Sierra RS Cosworth, introduced in 1986, was a four-door saloon that showcased a similar commitment to performance. It boasted the same Cosworth-engineered 2.0-liter turbocharged engine, albeit with a slightly lower power output of 201 horsepower and 207 lb-ft of torque. Both cars were equipped with sophisticated four-wheel drive systems, ensuring exceptional grip and handling on various surfaces. The Ford Escort and Sierra RS Cosworth models were not only successful on the racetrack but also gained a cult following among performance car enthusiasts. Their blend of power, handling, and unique styling made them highly desirable, and they have since become sought-after collector's items. The Escort RS Cosworth, in particular, is renowned for its rally-bred pedigree and dominance in the World Rally Championship, where it secured numerous victories and championships. Its distinctive design, characterized by its prominent aerodynamic elements and flared wheel arches, became synonymous with the era of Group A rally cars. The Sierra RS Cosworth, while not as widely recognized for its racing exploits as its hatchback counterpart, still holds a special place in the hearts of Ford enthusiasts, representing a significant milestone in the development of performance cars with its advanced technology and race-inspired performance credentials. Both models, with their legendary status and rich motorsport heritage, continue to inspire awe and admiration among automotive enthusiasts, solidifying their place as enduring icons of the golden age of performance cars.