This comprehensive service and repair manual provides a wealth of information for your 1991 Audi 80 (B4-8C), offering detailed instructions, diagrams, and illustrations, allowing you to maintain, service, diagnose, and repair all aspects of your vehicle.

The manual covers a wide range of topics, including maintenance procedures, engine specifications, control systems, mechanical components, fuel service details, emission control systems, intake and exhaust cooling, lubrication, ignition and starting systems, charging systems, automatic transmission and clutch, manual transmission, transfer case, propeller shaft, driveshaft, differential, axle, suspension, tires and wheels, brake systems (including control, parking brakes), steering (including column and power steering), air conditioning, supplemental restraint systems (including seatbelts), engine immobilizer, cruise control, wipers and washers, door locks, meters and audio/visual systems, horn, windshield and glass, mirrors, instrument panel, seats, engine hood and doors, exterior and interior components, electrical systems, multiplex/CAN communication, and much more.

With this manual, you have access to the same information used by technicians at Audi dealerships, ensuring you have the most accurate and up-to-date information for your vehicle. Its detailed approach and clear instructions make even complex repairs manageable. You can easily print the pages you need, enlarging images for greater detail, making it easy to reference while working on your vehicle.

The 1991 Audi 80 (B4-8C) was the fourth generation of the Audi 80 series, a compact executive car produced by Audi from 1966 to 1996. Introduced in 1991, the B4 model featured a more angular and refined design compared to its predecessor, the B3. It was available in various body styles, including a four-door sedan, a five-door hatchback, and a two-door coupe. The B4 was offered with a range of petrol and diesel engines, ranging from 1.6-liter to 2.8-liter in displacement. It also featured Audi's signature quattro all-wheel drive system on select variants.

The 1991 Audi 80 (B4-8C) was praised for its handling, performance, and overall build quality. It was considered a luxurious and well-equipped car for its time, featuring features such as power windows, power steering, and a comfortable cabin. The B4 also introduced a number of technological advancements, including ABS (Anti-lock Braking System), air conditioning, and a central locking system. While the B4 was not as popular as its successor, the B5, it is still highly regarded by Audi enthusiasts for its classic design, reliable engine options, and driving dynamics. The 1991 Audi 80 (B4-8C) was a significant step forward for the 80 series, paving the way for the future success of the Audi A4, its direct successor.