This manual covers the Chevrolet Cobalt and Pontiac G5 models manufactured between 2008 and 2010. These vehicles, built on the GM Delta II chassis, offered a range of Ecotec engines, including naturally aspirated and supercharged variants, paired with either manual or automatic transmissions. Available in 2-door Coupe and 4-door Sedan body styles, they provided various features such as Anti-lock Braking System, optional traction control, and multiple airbag configurations, reflecting General Motors' commitment to engineering and safety during their production run. This comprehensive Factory Service Repair Workshop Manual in English provides detailed guidance for owners, DIY enthusiasts, and professional technicians. It covers all essential aspects of vehicle maintenance, diagnostics, and repair, including in-depth procedures for the engine, transmission, brakes, suspension, steering, electrical systems, HVAC, fuel, and exhaust systems. The manual includes step-by-step instructions, hundreds of detailed photos and diagrams, troubleshooting guides, and complete wiring schematics, ensuring accurate and efficient upkeep and repair of your Chevrolet Cobalt or Pontiac G5.