Welcome to the comprehensive service and repair manual for the 2009 Mazda3. This vehicle, representing the second generation of Mazda's popular compact car, is celebrated for its engaging driving dynamics, embodying Mazda's philosophy of unity between driver and car. With sporty styling, responsive handling, and a range of efficient engine options, including the potent 2.3L DISI Turbo for the Mazdaspeed variant, the Mazda3 offers a compelling blend of performance and practicality. Its commitment to safety is evident through standard features like Dynamic Stability Control, ABS, EBD, and a comprehensive airbag system, contributing to its strong safety ratings. This manual provides extensive coverage for all aspects of the 2009 Mazda3, from routine scheduled maintenance and fluid services to in-depth troubleshooting and repair procedures. It details the powertrain, including engine mechanicals, fuel, cooling, and exhaust systems, as well as manual and automatic transmissions. You will find guidance on chassis components such as suspension, steering, and brakes, alongside comprehensive information on the vehicle's electrical systems, body, and interior. This resource is designed to assist owners, mechanics, and technicians in maintaining the reliability, performance, and longevity of their Mazda3 through clear, accurate, and detailed instructions.