This comprehensive repair manual is your ultimate resource for maintaining and repairing your Audi 80/90 B3 (1986-1991). Whether you're a seasoned mechanic or a DIY enthusiast, it provides clear instructions and detailed information to help you tackle any repair job with confidence.

Dive deep into the intricacies of your engine, fuel system, emission controls, and drive train. Learn how to perform timing chain service, replace the clutch, troubleshoot U-joints and CV joints, and repair the exhaust system. Maintain optimal handling and performance with step-by-step instructions on wheel maintenance, suspension adjustments, and steering system repair. Ensure your safety on the road with comprehensive coverage of brake systems, restraint systems (seatbelts and airbags), and troubleshooting and repair procedures for both.

Enjoy a comfortable and stylish interior with detailed guides on body repair, electrical systems, and heating, ventilation, and air conditioning (HVAC) components. Unlock the mysteries of your Audi's electrical systems, from basic diagnostics to understanding advanced electronics. Learn how to troubleshoot the battery and charging system, understand audio systems, climate control, and safety features.

This manual includes detailed wiring diagrams to simplify electrical troubleshooting, step-by-step repair procedures with clear illustrations, extensive troubleshooting guides for common issues, and hundreds of pages of technical data to help you understand and repair your Audi.

The Audi 80 B3, produced from 1986 to 1991, marked a significant step forward for the German automaker. This generation, codenamed "B3," introduced a more aerodynamic and spacious design, building upon the success of its predecessor, the Audi 80 B2. The B3 featured a distinctive angular design with sharp lines and a prominent grille, a departure from the more rounded styling of its predecessor. It was offered in a range of body styles: a two-door coupe, a four-door sedan, and a five-door hatchback. The B3 also saw the introduction of the Audi 90, a sportier and more luxurious variant of the 80. It boasted more powerful engines and a higher specification level, catering to a more discerning clientele.

The Audi 80 B3 was praised for its impressive build quality, reliable engineering, and a comfortable interior. Notably, the B3 was one of the first cars to offer a driver airbag as standard equipment, emphasizing safety and innovation. It also introduced a range of fuel-efficient and powerful engines, including the renowned 2.0-liter 5-cylinder engine, known for its smooth performance and responsive throttle. The B3 was offered with both manual and automatic gearboxes, further enhancing its versatility. A key innovation for the B3 was the introduction of the quattro all-wheel-drive system, offering enhanced traction and stability, particularly in challenging road conditions. The Audi 80 B3 proved to be a popular and successful model, contributing to Audi's growing reputation for quality and engineering excellence. It paved the way for the subsequent generations of the Audi 80 and helped establish the brand's image as a manufacturer of luxury and performance cars.