The Mitsubishi Eclipse, produced in 1998, represents a significant entry in the compact sports car segment. Available as both a coupe and a convertible, this vehicle offered a dynamic driving experience, particularly with its performance-oriented variants. Notable engine options included the robust 2.0L 4G63, offered in both naturally aspirated and turbocharged all-wheel-drive configurations, and the 2.4L 420A engine. The Eclipse was recognized for its distinctive styling, driver-focused interior, and competitive performance, often lauded by enthusiasts and competing with established models in its class. This comprehensive service manual provides detailed information for the maintenance, repair, and diagnostics of the 1998 Mitsubishi Eclipse. It covers all major systems, including the powertrain, drivetrain, chassis, electrical components, and body. Within its extensive pages, owners and technicians will find procedures for routine maintenance, in-depth repair and rebuild instructions, troubleshooting guides for common issues, and essential technical specifications. The manual is designed to assist in keeping the vehicle in optimal condition and ensuring its longevity.