This comprehensive Audi 80 90 B3 (1986-1991) Repair Service Manual is your ultimate guide to maintaining and repairing your vehicle. Designed primarily for professional technicians, this manual provides detailed information suitable for do-it-yourself mechanics as well. It caters to individuals with basic electrical and mechanical knowledge, offering step-by-step procedures for a wide range of repairs and maintenance tasks. The manual covers topics typically found in factory service manuals and owner's manuals, including:

* **Step-by-step repair procedures:** Navigate complex repairs with ease through clear instructions and detailed diagrams.
* **Critical specifications:** Ensure accuracy with precise measurements and technical data for all components.
* **Illustrations and pictures:** Visual aids complement written instructions for enhanced understanding.
* **Maintenance procedures:** Learn how to perform routine maintenance tasks, keeping your Audi running smoothly.
* **Disassembly, assembly, cleaning, and reinstalling procedures:** Gain expert knowledge on how to properly handle and reassemble parts for optimal performance.

This manual empowers you to make informed decisions about maintaining and repairing your Audi 80 90 B3, providing a valuable resource for both beginner and experienced mechanics.

The Audi 80/90 B3, produced from 1986 to 1991, marked a significant step forward for the German automaker. Following the successful B2 generation, the B3 brought a more refined and modern design, boasting sharper lines and a more aerodynamic profile. The exterior featured a larger grille, flush-mounted headlights, and an overall more streamlined silhouette. Under the hood, Audi offered a range of petrol and diesel engines, ranging from the economical 1.6-liter four-cylinder to the powerful five-cylinder turbocharged units. The B3 also introduced the revolutionary quattro all-wheel-drive system, making it a leader in handling and performance. The interior featured a more spacious and comfortable cabin, with a driver-focused cockpit layout and a range of modern amenities, including power windows, central locking, and even air conditioning on higher trim levels.

The Audi 80/90 B3 proved to be a resounding success, solidifying Audi's reputation for quality engineering and innovative technology. It was praised for its handling, performance, and overall driving experience, making it a popular choice among discerning drivers. The B3's reliability and durability also helped it gain a loyal following. While production ended in 1991, the B3 remains a beloved classic among Audi enthusiasts. Its timeless design, impressive performance, and relative affordability make it a desirable vehicle for collectors and everyday drivers alike. The Audi 80/90 B3 stands as a testament to Audi's commitment to excellence, a car that redefined the compact executive segment and left an indelible mark on automotive history.