The 2003 Mitsubishi Eclipse represents the third generation of this sporty coupe and convertible, produced in Normal, Illinois. This model offered distinctive styling and was positioned as an affordable performance option, competing in a segment that valued both aesthetics and driving dynamics. Available in front-wheel drive (FWD) and all-wheel drive (AWD) configurations, the Eclipse featured a choice of a 2.4L SOHC inline-4 engine (4G64) producing 147 horsepower, or a more potent 3.0L SOHC V6 engine (6G72) delivering 200 horsepower on GT and GTS trims. Transmission options included a 5-speed manual or a 4-speed automatic for FWD models, with a 5-speed manual available for AWD variants. The vehicle was equipped with standard dual frontal airbags, with optional side curtain airbags and ABS available on certain trims, reflecting a focus on safety within its class.

This comprehensive factory service manual provides detailed information for the maintenance, repair, and diagnostics of the 2003 Mitsubishi Eclipse. It covers essential systems including the powertrain, chassis, and body electrical components, detailing procedures for both the 4-cylinder and V6 engines, as well as manual and automatic transmissions. The manual includes scheduled maintenance guidelines, fluid specifications, and specific repair instructions for common issues. With over 1500 pages of technical data, this resource is designed for professional technicians and advanced DIY enthusiasts, offering in-depth troubleshooting guides, diagnostic procedures, and technical specifications necessary for keeping the Eclipse in optimal condition.