This factory service manual provides comprehensive coverage for the 1966 Plymouth Barracuda, Fury, Belvedere, Signet, and Valiant models. These vehicles, representing Plymouth's diverse offerings from compacts to full-size cars, are celebrated for their robust engineering and iconic styling. The Barracuda, part of the second generation, offered a blend of sporty design and performance, while the Fury and Belvedere represented the brand's larger, more luxurious offerings. The Valiant and Signet provided reliable compact transportation, with the Signet serving as a more premium trim. This manual is an essential resource for understanding the mechanical and electrical systems that define these classic Mopar vehicles.

This 866-page English-language manual is a factory service manual detailing repair and maintenance procedures for all major mechanical and electrical systems. It covers everything from routine maintenance tasks like oil changes and tune-ups to in-depth engine and transmission overhauls, suspension, steering, brakes, and electrical system diagnostics. Included are detailed troubleshooting guides, repair instructions, adjustment procedures, and critical specifications such as torque values, fluid capacities, and clearances. This manual is designed to assist owners, mechanics, and technicians in accurately maintaining, diagnosing, and repairing their 1966 Plymouth vehicles, ensuring optimal performance and longevity.