This workshop service repair manual covers the Triumph TR3A and TR3B models, produced between 1953 and 1961. These British sports cars are celebrated for their classic roadster driving experience, featuring robust chassis design, standard front disc brakes on the TR3A, and optional overdrive for enhanced performance. The TR3A, introduced in 1955, offered a 1991cc engine, while the later TR3B, launched in 1959, featured a more powerful 2138cc engine to meet export market demands. Both models represent an affordable segment of the sports car market, competing with contemporaries like the Austin-Healey and MG A, and are highly regarded by enthusiasts for their iconic styling and engaging handling.

This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Triumph TR3A or TR3B. It covers all major systems, including the powertrain (engine, transmission, fuel, ignition, cooling, exhaust), chassis (suspension, steering, brakes, wheels), and electrical systems. Within its 456 pages, you will find step-by-step procedures for scheduled maintenance, component overhauls, and diagnostics, along with technical specifications, fluid recommendations, and common issue resolutions. This resource is designed to assist owners, mechanics, and technicians in preserving the performance and longevity of these classic vehicles.