This manual covers the Lancer Evolution VIII, commonly known as the Lancer Evo 8, produced from 2003 to 2005. As a rally homologation special, the Evo VIII (chassis code CT9A) is renowned for its advanced all-wheel-drive system featuring an Active Center Differential (ACD) and optional Super Active Yaw Control (SAYC), coupled with a potent 4G63T turbocharged 2.0-liter engine. Its engineering quality is evident in its rally-bred chassis, robust 6-speed Getrag manual transmission, and performance-oriented suspension and braking systems, including Brembo calipers. This model was engineered for high-performance driving and track applications, building upon significant motorsport legacy.

This comprehensive Factory Service Manual provides detailed guidance for all Lancer Evolution VIII models. It covers essential maintenance procedures, including fluid changes and component replacements, as well as in-depth repair instructions for all major systems. Areas covered include the 4G63T engine, 6-speed manual transmission, ACD and SAYC driveline, suspension, brakes, and the complete electrical system. Diagnostic procedures, troubleshooting guides, and technical specifications are also included, empowering owners and technicians to effectively maintain, diagnose, and repair the vehicle. The manual is presented in English and is designed for clarity and completeness.