This comprehensive service and repair manual is specifically designed for the 1991 Audi Cabriolet (B4-8G) model. It provides detailed instructions, diagrams, illustrations, wiring schematics, and specifications for all models and repairs, covering the entire vehicle from A to Z. This manual is the exact same information used by technicians at Audi dealerships to maintain, service, diagnose, and repair your vehicle. You will find step-by-step instructions for every repair, ensuring a smooth and successful repair process.

The manual covers a wide range of topics including:

* **Maintenance:** Routine maintenance schedules, fluid checks, filter changes, and more.
* **Engine:** Detailed information on engine components, operation, troubleshooting, and repair procedures.
* **Control System:** Comprehensive coverage of engine control systems, including fuel injection, ignition, and emissions.
* **Mechanical:** In-depth information on the vehicle's mechanical systems, including the transmission, drivetrain, suspension, and brakes.
* **Fuel Service Specifications:** Detailed specifications for all fuel system components.
* **Emission Control:** Information on the vehicle's emissions control system, including diagnosis and repair.
* **Intake Exhaust Cooling:** Complete coverage of the intake and exhaust systems, including cooling components.
* **Lube:** Specifications and procedures for all lubrication systems, including engine oil, transmission fluid, and differential fluid.
* **Ignition Starting Charging:** Detailed information on the ignition, starting, and charging systems.
* **Auto Transmission Clutch:** Complete coverage of the automatic transmission, including clutch systems.
* **Manual Transmission:** Detailed information on the manual transmission, including operation and repair.
* **Transfer Propeller Shaft:** Information on the transfer case and propeller shaft.
* **Drive Shaft:** Coverage of the drive shafts and related components.
* **Differential:** Detailed information on the differential, including operation and repair.
* **Axle Suspension:** Complete coverage of the axle and suspension systems, including diagnosis and repair.
* **Tire & Wheel:** Information on tires, wheels, and related components.
* **Brake Control:** Detailed information on the brake control system, including ABS and electronic brake force distribution.
* **Brake:** Complete coverage of the brake system, including calipers, rotors, and pads.
* **Parking Brake:** Information on the parking brake system, including operation and repair.
* **Steering Column:** Detailed information on the steering column, including operation and repair.
* **Power Steering:** Information on the power steering system, including operation and repair.
* **Air Condition:** Complete coverage of the air conditioning system, including diagnosis and repair.
* **Suppl Restraint System:** Information on the supplemental restraint system (SRS), including airbags and seatbelt pretensioners.
* **Seat Belt:** Detailed information on the seat belt system, including operation and repair.
* **Engine Immobilizer:** Information on the engine immobilizer system, including operation and diagnosis.
* **Cruise Control:** Detailed coverage of the cruise control system, including operation and repair.
* **Wiper & Washer:** Information on the wiper and washer systems, including operation and repair.
* **Door Lock:** Complete coverage of the door lock system, including operation and repair.
* **Meter Audio/Visual:** Information on the instrument cluster and audio/visual systems.
* **Horn:** Detailed information on the horn system, including operation and repair.
* **Windshield/Glass Mirror:** Information on the windshield, glass, and mirrors.
* **Instrument Panel:** Complete coverage of the instrument panel, including operation and repair.
* **Seat:** Detailed information on the seats, including operation and repair.
* **Engine Hood/ Door:** Information on the engine hood and doors, including operation and repair.
* **Exterior & Interior:** Complete coverage of the exterior and interior, including trim, upholstery, and lighting.
* **Electrical:** Comprehensive coverage of the electrical system, including wiring diagrams and troubleshooting.
* **Multiplex/ Can Communication:** Information on the multiplex and CAN communication systems.

This manual is a valuable resource for anyone who wants to perform their own repairs, save money on maintenance costs, and gain a deeper understanding of their vehicle. Print the pages you need and take them with you to the garage or workshop. All pages are printable and can be enlarged for easier viewing.

The 1991 Audi Cabriolet (B4-8G) was the second generation of the iconic open-top Audi, marking a significant evolution from its predecessor. Launched in 1991, the B4 Cabriolet featured a revised design, incorporating a more aerodynamic profile and a larger, more modern interior. Powertrain options ranged from the 2.0-liter inline-four to the potent 2.8-liter V6, providing a mix of performance and fuel efficiency. This generation was built on the Audi 80 platform, sharing its underpinnings with the contemporary Audi 80 sedan and Avant. While maintaining the classic soft-top design, the B4 Cabriolet introduced a power-operated roof system, enhancing convenience and ease of use. The sleek lines and sporty handling of the B4 Cabriolet solidified its reputation as a luxurious and engaging driving experience. It became a popular choice among enthusiasts seeking a blend of open-air driving enjoyment and German engineering precision.

The 1991 Audi Cabriolet was a technical marvel in its era, boasting a sophisticated suspension setup with MacPherson struts in the front and a multi-link independent rear suspension, ensuring agile handling and a comfortable ride. The interior showcased Audi's commitment to quality and craftsmanship, with high-quality materials and a driver-focused layout. The B4 Cabriolet offered a range of features including power windows, central locking, and an optional sunroof. While the safety features of the time differed from modern standards, the B4 Cabriolet incorporated safety enhancements like crumple zones and reinforced side impact beams. The 1991 Audi Cabriolet (B4-8G) remained in production until 1995, leaving a lasting legacy as a stylish and capable convertible that captured the essence of open-air driving. Today, the B4 Cabriolet remains a sought-after classic among enthusiasts, appreciated for its blend of performance, style, and German engineering excellence.