This comprehensive workshop repair and service manual is specifically designed for Audi 80, 90/Coupe models produced between 1988 and 1992. It provides a wealth of information, covering everything from routine maintenance to complex repairs. This manual is your ultimate resource for understanding and servicing your Audi. Inside, you'll find detailed instructions and diagrams for a wide array of procedures, including: * **General Information:** Get acquainted with your Audi, covering specifications, lube points, oil types, and periodic maintenance schedules. * **Engine Servicing:** Dive deep into engine maintenance, covering disassembly, reassembly, engine removal, and more. Learn how to service the fuel and lubrication systems, rebuild carburetors, and adjust carburetor settings. * **Electrical System:** Discover how to diagnose and repair issues with the electrical system, including ignition, charging, starter, battery, and switches. * **Chassis, Wheels, and Brakes:** Master the servicing of your Audi's chassis, wheels, brakes, steering, suspension, and axles, along with detailed instructions for chassis assembly. * **Wiring Diagrams:** Navigate the vehicle's electrical system with clarity thanks to comprehensive wiring diagrams. Detailed instructions on wire, cable, and hose routing will ensure accurate repairs. * **Tools and Tightening Torques:** Ensure proper tools and torque settings for all procedures, leading to a well-maintained and safe vehicle. * **Complete Engine Service:** Perform a full engine service, from fuel system servicing to all factory repair procedures. * **Gearbox, Exhaust System, Suspension:** Learn how to diagnose and repair issues with the gearbox, exhaust system, and suspension, including detailed instructions for gearbox removal and installation. * **Cooling System:** Gain a thorough understanding of the cooling system, including detailed specifications, maintenance schedules, and repair procedures. * **Detailed Specifications:** Access a comprehensive range of specifications for your Audi, including engine firing order, brake servicing procedures, U-joint and CV joint service procedures, timing chain service, and exhaust service. * **Abundant Illustrations:** Benefit from numerous pictures and diagrams throughout the manual, making complex procedures easy to understand. This manual is designed for both experienced mechanics and DIY enthusiasts, providing the same information that professional technicians use. You can confidently tackle any repair or maintenance task with this in-depth resource.

The Audi 80 and 90/Coupe, produced between 1988 and 1992, represent a significant chapter in Audi's history, marking a transition towards more refined and modern designs. This generation, internally codenamed "Type 89," built upon the success of its predecessor, the "Type 81" model, while introducing new styling elements and technical advancements. The 80 and 90 shared the same platform, with the 90 and 90 Coupe models featuring a more spacious cabin and a wider track, providing a more premium and luxurious experience. These models were available in a variety of body styles, including a 4-door sedan, a 5-door wagon (Avant), and the sporty 2-door Coupe. While the 80 was positioned as a more affordable and practical option, the 90 and 90 Coupe aimed to attract a clientele seeking a blend of luxury and performance. Under the hood, these Audis offered a range of gasoline and diesel engines, showcasing the brand's commitment to efficiency and performance. The most popular engines were the 1.6-liter, 1.8-liter, and 2.0-liter four-cylinder gasoline units, offering good fuel economy and everyday usability. However, for those seeking more power, the 2.3-liter and 2.8-liter V6 options provided a more thrilling driving experience. A series of turbocharged engines were also available, boosting performance and bringing a distinct sporty character to the lineup. The 80 and 90/Coupe models were known for their robust build quality and reputation for reliability, making them highly sought-after vehicles even in the modern era. These models showcased the brand's evolving design language, featuring sleek lines, a distinctive grille, and a more aerodynamic profile. The interior was equally impressive, offering a comfortable and well-appointed cabin with a focus on practicality and driver-centric ergonomics.