This manual covers the Mitsubishi Lancer Evolution IV (Evo IV) and Evolution V (Evo V) models, produced primarily for the 1998 model year, with chassis codes CN9A and CP9A respectively. These vehicles represent the fourth and fifth generations of Mitsubishi's renowned rally homologation specials, celebrated for their advanced all-wheel-drive systems, potent turbocharged engines, and exceptional handling characteristics. Engineered with a focus on performance and rally success, the Lancer Evolution series, including these models, is distinguished by technological advancements such as the Active Yaw Control (AYC) and Super Active Yaw Control (S-AYC) systems, which significantly enhance cornering stability and driver control.

This official factory service manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Mitsubishi Lancer Evolution IV or V. It details critical systems including the engine, drivetrain with its sophisticated AYC/S-AYC, suspension, braking, and electrical components. The manual includes essential procedures for routine maintenance, diagnostics, and complex repairs, along with necessary technical specifications and special tool requirements. Its purpose is to serve as an authoritative resource for owners, mechanics, and technicians, ensuring the longevity, optimal performance, and safe operation of these high-performance vehicles.