The Lancer Evolution VII (Evo 7), chassis code CT9A, represents the seventh generation of the iconic performance compact sedan, produced from 2001 to 2003. Built on a rich motorsport legacy, this model is renowned for its advanced all-wheel-drive system featuring Active Yaw Control (AYC) and an Active Center Differential (ACD), contributing to exceptional handling and rally-inspired performance. Powered by the potent 4G63T turbocharged 2.0-liter inline-4 engine, the Evo 7 delivers exhilarating acceleration and a driving experience honed for enthusiasts and competitive driving. Its engineering emphasizes a stiff chassis, refined electronics, and a focus on delivering superior grip and dynamic control, setting it apart in the performance car segment. This comprehensive Factory Workshop Repair Manual provides detailed service, maintenance, and repair information for the Lancer Evolution VII (CT9A) models from 2001-2003. Covering all major vehicle systems including powertrain, drivetrain, chassis, and electrical components, this manual offers step-by-step procedures for routine maintenance, diagnostics, and complex repairs. It includes essential technical specifications, wiring diagrams, special tool identification, and troubleshooting guidance. This resource is designed to assist owners, mechanics, and technicians in accurately maintaining, diagnosing, and repairing the Lancer Evolution VII, ensuring its optimal performance and longevity.