The Buick Park Avenue, a full-size luxury sedan produced for the 2002 model year, represents Buick's heritage of offering comfortable, refined, and spacious American automobiles. Built on the GMX320 platform, this generation, known as the Third Generation, featured the robust 3800 Series II V6 engine, available in both naturally aspirated (L36) and supercharged (L67) configurations, delivering a smooth and powerful driving experience. Known for its quiet ride, ample interior space, and advanced features for its time, the Park Avenue was engineered to provide a premium and reliable ownership experience, often competing with other established luxury marques. This comprehensive Workshop Service Repair Manual provides detailed A-Z coverage for all Park Avenue models, engines, and transmissions. It is designed to assist owners, mechanics, and technicians in performing all aspects of vehicle maintenance, diagnosis, and repair. The manual includes step-by-step procedures for engine and transmission service, brake and suspension systems, electrical diagnostics, HVAC, fuel systems, and bodywork, complemented by wiring diagrams and torque specifications. Its clear, easy-to-follow instructions, often accompanied by visuals, make it an invaluable resource for ensuring the continued performance and longevity of your Buick Park Avenue.