This workshop service repair manual covers the Chevrolet 5.7L Marine & Industrial Engine, specifically the Gen 5 (Vortec) generation, produced between 2001 and 2009. This V8 engine, a variant of the Small Block Chevrolet (SBC) family, features a naturally aspirated design with electronic fuel injection, delivering approximately 250-300 horsepower and 300-350 lb-ft of torque. Renowned for its robust engineering and reliability, this engine is designed for demanding marine and industrial applications, offering dependable performance. This comprehensive English-language manual provides complete coverage for maintaining and repairing your Chevrolet 5.7L engine. It details essential procedures, technical specifications, and troubleshooting guidance, enabling owners, mechanics, and technicians to ensure optimal performance and longevity. Key areas include maintenance schedules, fluid capacities and types, cooling system operation, electrical system details, and engine specifications, all presented to facilitate effective service and repair.