The Mazda 6, produced between 2002 and 2008, represents the GG/GY generation, available as a sedan, hatchback (GG chassis), or wagon (GY chassis). This mid-size vehicle was engineered to deliver Mazda's signature 'Zoom-Zoom' driving experience, characterized by sporty handling, responsive steering, and a stylish design that offered a premium feel within its segment. It competed with established models like the Toyota Camry and Honda Accord, often distinguishing itself through its dynamic performance and engaging driving dynamics. Offered with a range of gasoline and diesel engines, including the 2.3L L3-VE inline-four in North America, and various transmission options like 5-speed automatic and manual, the Mazda 6 provided a compelling blend of practicality and driving enjoyment for its intended global market.

This comprehensive Workshop Service Manual (WSM) provides detailed information for the maintenance, diagnosis, and repair of the Mazda 6 (GG/GY). Covering over 1500 pages of English-language content, it addresses all major vehicle systems, including powertrain, chassis, and electrical components. The manual details scheduled maintenance procedures, fluid specifications, and replacement intervals, alongside in-depth troubleshooting guides, diagnostic trouble codes, and wiring diagrams. It is an essential resource for owners, technicians, and mechanics seeking to preserve the reliability and performance of their Mazda 6, offering clear instructions for everything from routine service to complex component overhauls and system repairs.