The Mazda CX-7 is a compact crossover SUV that debuted for the 2007 model year, representing Mazda's entry into the dedicated crossover segment. Known for its sporty styling and engaging driving dynamics, it was designed to appeal to a younger demographic with an active lifestyle. This first-generation model (ER) was produced in Japan and offered a choice between a naturally aspirated 2.3L MZR engine or a more powerful 2.3L MZR DISI Turbo engine, paired with a 5-speed Activematic automatic transmission. The CX-7 emphasized a balance of practical utility with Mazda's signature driving philosophy, aiming to provide a more agile and responsive experience than many of its competitors. This comprehensive Workshop Service Manual (WSM) provides extensive repair and service information for the Mazda CX-7, covering the 2007, 2008, and 2009 model years. The manual details all major vehicle systems, including engine mechanicals, fuel and ignition systems, transmission and drivetrain, brakes, suspension, steering, electrical and electronic components, HVAC, and bodywork. It includes routine maintenance procedures, detailed troubleshooting and diagnostic guidance, step-by-step repair instructions, and electrical wiring diagrams. This resource is an essential tool for owners, mechanics, and technicians seeking to maintain, diagnose, and repair the CX-7 with accuracy and efficiency.