The Audi 90, model code Type 85, represents a distinguished era of German engineering, produced between 1988 and 1992. As a compact executive sedan and wagon, it was lauded for its sporty handling, refined interiors, and the sophisticated option of Quattro all-wheel drive, setting it apart from contemporaries like the BMW 3 Series and Mercedes-Benz 190E. This vehicle embodies Audi's legacy of quality and innovation, offering a blend of performance and comfort that appealed to enthusiasts and those seeking a premium European driving experience. Its design philosophy prioritized sophisticated engineering, making it a notable entry in its competitive segment.

This factory service repair manual provides comprehensive, factory-accurate information essential for the maintenance and repair of the Audi 90 (Type 85) from 1988 to 1992. It covers a wide array of systems, including detailed procedures for engine mechanical and electrical components, manual and automatic transmissions, suspension, steering, brakes, and the complete electrical system. Additionally, the manual offers guidance on HVAC, body and chassis repairs, and routine maintenance schedules. Its scope extends to troubleshooting, diagnostics, and step-by-step repair instructions, making it an invaluable resource for owners, DIY mechanics, and professional technicians aiming to preserve the integrity and performance of their vehicle.