The 2009 Mazda CX-7 is a compact crossover SUV designed to offer a sporty and engaging driving experience, a hallmark of Mazda's philosophy. Built in Hofu, Japan, this model year represents a continuation of Mazda's successful entry into the crossover market, blending practicality with dynamic performance. It features a potent 2.3L MZR DISI Turbocharged I4 engine, producing approximately 244 horsepower and 270 lb-ft of torque, paired with either a 6-speed manual or a 6-speed automatic transmission with Sport Mode. The CX-7 is available in Front-Wheel Drive (FWD) or All-Wheel Drive (AWD) configurations, providing versatility for various driving conditions. Its design emphasizes agile handling and a responsive feel, setting it apart from many competitors in its segment, and it boasts strong safety ratings, including a 5-Star NHTSA front crash test rating and a 'Good' IIHS side impact rating. This comprehensive service manual provides detailed instructions for the full service repair and maintenance of the 2009 Mazda CX-7 (chassis code ER). Covering over 1500 pages, it is an indispensable resource for owners, mechanics, and technicians. The manual thoroughly details all major vehicle systems, including engine mechanicals, fuel, ignition, lubrication, cooling, exhaust, and emissions control. It also covers transmission systems, drivetrain components, suspension, steering, braking systems, and extensive electrical system diagnostics. Included are step-by-step procedures for routine maintenance, such as oil changes and filter replacements, as well as in-depth repair and rebuild procedures for major components. Furthermore, it provides crucial diagnostic information, troubleshooting guides, and complete electrical wiring diagrams to ensure accurate and efficient maintenance and repair.