This manual covers the GMC and Chevrolet 1500, 1500HD, 2500HD, and 3500 Series trucks built on the GMT900 platform, produced between the 2007 and 2012 model years. These full-size pickup trucks are renowned for their robust chassis, powerful engine options including various Vortec V8 gasoline engines and the Duramax diesel, and strong towing and hauling capabilities. Key features include available four-wheel drive, a range of cab and bed configurations, and advanced technologies like Active Fuel Management and StabiliTrak stability control. Their engineering quality and reliability have made them a competitive choice in the full-size truck segment, offering a comfortable ride and widespread parts availability across North America.

This comprehensive service and repair workshop manual provides factory-level detail for all aspects of maintenance and repair for these vehicles. It covers essential systems including the powertrain, chassis, electrical components, and body. Within its extensive pages, you will find detailed procedures for scheduled maintenance, fluid changes, component replacements, engine overhauls, transmission rebuilds, and electrical system diagnostics. The manual also includes troubleshooting guides, diagnostic trouble code interpretations, and technical specifications such as torque values and electrical schematics, making it an indispensable resource for owners, mechanics, and technicians aiming to maintain and repair their GMC or Chevrolet truck effectively.