This service repair manual provides comprehensive information for the 2003 Trail Blazer 400. Engineered for performance and reliability, this model is designed to handle various terrains and recreational activities. Its robust construction and efficient powertrain, featuring a Variable Transmission (PVT), ensure a dependable and enjoyable riding experience. The Trail Blazer 400 is a testament to a commitment to delivering quality off-road vehicles. This manual serves as an essential resource for maintaining and repairing your 2003 Trail Blazer 400. It covers a wide range of topics, including detailed maintenance schedules, fluid capacities, engine and fuel system specifics, body and suspension systems, the PVT system, final drive, transmission, brakes, and electrical components. With fully searchable and printable content, this factory service manual is an invaluable tool for owners and technicians alike, ensuring the longevity and optimal performance of your vehicle.