This comprehensive workshop manual provides a detailed and in-depth guide for servicing and repairing the Audi 80, featuring diesel engines only, manufactured between 1978 and 1984. It is designed for both owners with basic mechanical skills and independent auto service professionals, offering the same specifications and procedures available to authorized dealer service departments. The manual covers every aspect of the vehicle, including general information, engine service and overhauling, transmission, chassis, body, wiring, fuel system, emission control, induction, mechanical control systems, transmission and differentials, troubleshooting and diagnostics, steering and suspension, brakes, ABS, full specifications, torque settings, and service work. With its detailed information, this manual empowers you to diagnose engine fault symptoms, research and evaluate the best repair approach, test suspected parts using expert techniques, trace and verify wiring diagrams, understand and analyze different engine management systems, and effectively communicate with mechanics to ensure efficient and accurate repairs. The manual also includes practical quick solutions for common problems like no-starts, hesitations, stalling, and provides valuable tips to help you prevent small problems from escalating.

The Audi 80, produced from 1978 to 1984, marked a significant chapter in the German automaker's history, representing a turning point towards the development of more compact and fuel-efficient cars. This second generation of the Audi 80 model, internally designated as the B1, was a major departure from its predecessor, offering a completely redesigned chassis and a range of engine options, including the highly sought-after diesel engine that became a hallmark of the model. The B1 Audi 80 stood out for its sharp, angular design, boasting a spacious cabin for its size and a comfortable ride. The car's aerodynamic profile, achieved through a streamlined body and a low drag coefficient, contributed to its fuel efficiency, a crucial aspect during the energy crisis of the late 1970s. The diesel engine variant of the B1 Audi 80, in particular, gained immense popularity for its exceptional fuel economy. The diesel powertrain offered a combination of torque and efficiency, making it ideal for both city driving and longer commutes. The Audi 80 diesel, with its robust and reliable engine, proved to be a practical and cost-effective choice for drivers seeking both performance and fuel efficiency. While the B1 series introduced the iconic Audi 80 quattro, the diesel engine variant was not initially equipped with the acclaimed all-wheel drive system. However, the Audi 80's overall engineering excellence and its emphasis on practicality contributed to its enduring appeal and made it a popular choice for drivers worldwide, solidifying its place in automotive history.