The Buick LeSabre, specifically the 2001 model within its Eight Generation (1999-2005) H-Body platform, represents a full-size sedan engineered for comfort, spaciousness, and reliability. This generation of the LeSabre, assembled in Michigan, USA, embodies Buick's legacy of offering a value-oriented American sedan, often competing with models like the Ford Crown Victoria and Chevrolet Impala. Powered by a standard 3.8L V6 (L36) engine, it delivers a smooth and capable driving experience, with an optional supercharged variant offering enhanced performance. Its emphasis on a comfortable ride, ample interior space, and a substantial trunk volume makes it an ideal choice for everyday transportation and longer journeys. This comprehensive workshop service repair manual provides in-depth coverage for all Buick LeSabre models, engines, trims, and transmission types from this generation. With over 2000 pages of detailed information, it serves as an essential resource for maintaining and repairing your vehicle. The manual covers critical areas including powertrain, chassis, electrical systems, and body components, detailing everything from routine maintenance procedures like oil changes and filter replacements to complex repair and rebuild tasks. It also includes extensive diagnostic guides, troubleshooting procedures, and essential technical specifications, empowering owners and professional technicians alike to ensure optimal performance and longevity of their LeSabre.