The Ford Sierra, produced from 1982 to 1993, represented a significant step forward for Ford of Europe, succeeding the popular Cortina and Escort models. This versatile vehicle was offered in a range of body styles including 3-door and 5-door hatchbacks, a 4-door saloon (Sapphire), and a 5-door estate. Known for its pioneering aerodynamic design, the Sierra competed effectively against key European rivals like the Volkswagen Golf and Opel Kadett. It featured a predominantly rear-wheel-drive layout, contributing to its distinctive driving dynamics, and gained renown for its performance variants, such as the XR4i and the motorsport-focused RS Cosworth models.

This workshop service and repair manual provides comprehensive coverage for the Ford Sierra (chassis codes GBC, GCC, GDE) across its production years. It details essential maintenance procedures, including oil changes, filter replacements, and timing belt servicing, alongside in-depth repair and overhaul instructions for all major mechanical and electrical systems. The manual covers engine mechanicals, fuel and ignition systems, transmissions (manual and automatic), suspension, steering, brakes, and the complete electrical system, including detailed wiring diagrams. It also offers troubleshooting guidance for common issues and includes essential technical specifications, making it an indispensable resource for owners, mechanics, and technicians dedicated to maintaining and repairing the Ford Sierra.