The Ford Flex is a full-size crossover SUV introduced for the 2009 model year, offering a unique alternative in its segment with distinctive styling and spacious three-row seating for up to seven passengers. Built on the D3 platform, shared with models like the Lincoln MKS and Taurus SHO, the Flex was designed with a focus on interior comfort and a bold aesthetic, often described as a wagon-like profile. It was available with a 3.5L V6 Duratec engine or a more powerful 3.5L EcoBoost V6 twin-turbocharged engine, paired with a 6-speed automatic transmission and available in Front-Wheel Drive (FWD) or All-Wheel Drive (AWD) configurations. Its generous dimensions, including a wheelbase of approximately 117.9 inches, contribute to its comfortable ride and substantial cargo capacity, making it a versatile family vehicle. This comprehensive Workshop Service Repair Manual covers the Ford Flex models from 2009 through 2012, providing detailed information essential for maintenance and repair. It includes extensive procedures for engine and transmission overhaul, fuel and ignition systems, lubrication, exhaust, electrical systems, body, chassis, HVAC, and cooling systems. The manual offers guidance on routine maintenance, advanced diagnostics, component removal and installation, and rebuilding procedures, all presented with factory specifications and emphasis on quality service. With approximately 6000 pages of information in English, this manual is an invaluable resource for DIY mechanics and professional technicians alike, enabling them to effectively maintain and repair the Ford Flex.