This comprehensive service and repair manual provides detailed instructions and technical specifications for the Audi 80-90 models produced between 1986 and 1991. Covering all models, this manual empowers you with the knowledge and guidance to perform a wide range of maintenance and repair tasks.

Dive into the intricacies of your vehicle's systems, from the basic principles of operation to advanced troubleshooting techniques. The manual encompasses every aspect of your Audi, including:

- **General Information:** Understand the fundamentals of your Audi 80-90, including its design, specifications, and safety features.
- **Accessories and Equipment:** Gain insight into the installation and operation of various optional accessories and equipment.
- **Audio, Visual, and Telematics:** Learn to navigate and maintain your vehicle's audio system, visual displays, and telematics features.
- **Brakes:** Master the intricacies of your brake system, including adjustments, maintenance, and repair procedures.
- **Driveline Axle:** Delve into the intricacies of your vehicle's driveline axle, covering components, maintenance, and repair procedures.
- **Electrical:** Unravel the intricacies of your electrical system, encompassing diagnosis, troubleshooting, and repair techniques.
- **Lights:** Understand the workings of your lighting system, including troubleshooting and repair procedures for headlamps, taillamps, and other lighting elements.
- **Restraints:** Gain a comprehensive understanding of your vehicle's restraint systems, including maintenance and repair procedures for seatbelts and airbags.
- **Steering:** Explore the workings of your steering system, covering maintenance, repair, and safety procedures.
- **Suspension:** Master the intricacies of your suspension system, encompassing diagnosis, repair, and maintenance.
- **Body & Frame - Interior & Exterior:** Understand the construction and repair procedures for your vehicle's body and frame, including interior and exterior components.
- **Mechanical Engine:** Gain a deep understanding of your vehicle's engine, encompassing maintenance, repair, and troubleshooting.
- **Transmission:** Learn the intricacies of your transmission system, covering maintenance, repair, and troubleshooting procedures.
- **Tire & Wheels:** Explore the fundamentals of tire and wheel maintenance, including repair procedures and safety considerations.
- **HVAC:** Understand the workings of your heating, ventilation, and air conditioning system, including troubleshooting and repair.
- **Wiring Diagrams:** Detailed wiring diagrams provide visual representations of your vehicle's electrical system, facilitating accurate diagnosis and repair.

This comprehensive manual serves as your ultimate resource for maintaining and repairing your Audi 80-90.

The Audi 80 and 90 were compact executive cars produced by Audi from 1986 to 1991, replacing the previous Audi 80 B2 generation. These cars were available in a wide variety of body styles, including a 2-door coupe, a 3-door hatchback, a 4-door sedan, and a 5-door estate wagon, offering a diverse range of options to suit different needs. The Audi 80 and 90 were renowned for their sleek, aerodynamic design, featuring a distinctive rounded front end with a large grille and a sloping roofline. They were also praised for their spacious interiors, offering ample legroom and headroom for passengers, as well as a well-appointed dashboard and high-quality materials.

Under the hood, the Audi 80 and 90 were powered by a range of inline four and five-cylinder engines, with displacement ranging from 1.6 to 2.3 liters. These engines were known for their smooth and responsive performance, coupled with good fuel efficiency. The Audi 80 and 90 also featured a wide range of transmission options, including a 5-speed manual, a 4-speed automatic, and a 5-speed automatic. The cars were equipped with a front-wheel drive system, providing excellent handling and stability. In terms of safety, the Audi 80 and 90 were equipped with a variety of features, including front disc brakes, a driver's airbag, and a comprehensive range of passive safety features. These cars were highly rated for their performance, reliability, and safety, making them a popular choice for drivers seeking a stylish and well-rounded compact executive car.