The 1997 Buick Riviera is a full-size personal luxury coupe that embodies Buick's heritage of comfortable and well-appointed vehicles. This generation, produced from 1995 to 1999, marked a transition to a front-wheel-drive platform, sharing engineering with other GM models and emphasizing sleek styling and a refined ride. It was powered by either a 3.8L Naturally Aspirated V6 engine producing 205 horsepower and 230 lb-ft of torque, or a more potent 3.8L Supercharged V6 engine delivering 240 horsepower and 280 lb-ft of torque, both paired with a 4-speed automatic transmission. The Riviera offered a spacious interior with ample passenger volume and a respectable trunk, featuring available premium audio systems and automatic climate control, reflecting its position as a comfortable and technologically advanced personal luxury vehicle for its era. This comprehensive workshop service repair manual provides extensive coverage for all aspects of the 1997 Buick Riviera, catering to owners, mechanics, and technicians. It details all models, engines, trims, and transmission types, offering step-by-step instructions for maintenance, diagnostics, and repair across all major vehicle systems. Key areas covered include engine mechanical and electrical systems, fuel, ignition, cooling, and lubrication, as well as transmission, driveline, suspension, steering, brakes, wheels, tires, body, and HVAC. The manual also includes crucial electrical system schematics, wiring diagrams, diagnostic procedures, torque values, and safety guidelines, enabling thorough upkeep and repair to ensure the longevity and optimal performance of the vehicle.