The 2000 Buick Park Avenue is a full-size luxury sedan renowned for its exceptionally smooth and quiet ride, spacious interior, and comfortable appointments. Designed for consumers seeking refined American luxury, it competes with other prominent models in its segment. This generation of the Park Avenue, part of the fourth generation produced from 1997 to 2005, offers a choice between a naturally aspirated 3.8L V6 engine and a more potent supercharged variant, both paired with a 4-speed automatic transaxle. Its engineering emphasizes a relaxed cruising experience, making it an ideal vehicle for long-distance travel and everyday comfort. This comprehensive workshop service repair manual provides detailed information for all aspects of the 2000 Buick Park Avenue, covering all models, engines, trim levels, and transmission types. It encompasses routine maintenance procedures, in-depth diagnostic troubleshooting guides, and complete repair instructions for every major system, including the engine, transmission, drivetrain, suspension, brakes, steering, electrical systems, and HVAC. With detailed technical specifications, torque values, electrical schematics, and diagnostic trouble code charts, this manual serves as an indispensable resource for owners, mechanics, and technicians aiming to maintain, diagnose, and repair the vehicle effectively and accurately.