Target Audience:
Audi 80 B4 owners, DIY mechanics, independent repair shops
Value Proposition:
Cost-effective alternative to expensive factory manuals, comprehensive repair information
Comparison To Factory Manuals:
Offers similar coverage and technical detail to original factory shop manuals, delivered digitally
Digital Delivery:
Instant email delivery, no shipping costs or wait times
Platform Compatibility:
Compatible with all PC-based Windows operating systems and Mac
Illustrations:
Numerous pictures and diagrams included for clarity
Information Source:
Similar to factory shop manual content, providing in-depth technical repair information
Coverage Scope:
Comprehensive workshop service and repair
Completeness:
Stated to be complete, covering 'Every part of this car'.
Estimated Page Count:
High, comparable to factory manuals (exact count not provided)
Type:
Workshop Service / Repair Manual
Language:
English (inferred from product description)
Engine Systems:
Engine overhaul, fuel system, cooling system, exhaust system, emission control systems
Drivetrain Systems:
Transmission (manual and automatic), clutch, driveshafts
Suspension Steering:
Suspension components, steering system, wheel alignment
Braking Systems:
Brake system diagnostics, repair, and maintenance
Electrical Systems:
Complete electrical system troubleshooting, wiring diagrams, lighting, ignition, starting, charging
Body Chassis:
Body repair, interior trim, glass, doors, latches, seals
HVAC:
Heating and Air Conditioning system service and repair
Maintenance Procedures:
Lubrication, fluid changes, filter replacements, scheduled maintenance
Repair Procedures:
Component removal, installation, rebuilding, and adjustment for all covered systems
Diagnostic Procedures:
Troubleshooting guides, fault code interpretation (where applicable), symptom-based diagnosis
Technical Specifications:
Torque specifications, clearances, fluid capacities, electrical values
Wiring Diagrams:
Comprehensive wiring diagrams for electrical systems, crucial for troubleshooting electrical faults.
Depth:
Complete rebuilds, advanced diagnostics, detailed component-level repair
File Type:
PDF (Portable Document Format)
Searchability:
Searchable text (inferred from PDF standard capabilities)
Distribution:
Digital email delivery
Printability:
Printable in full or sections, high-quality output
Binding:
Digital (no physical binding)
Paper Type:
N/A (digital format)
Engine Options 1991:
2.0L (1984cc) I4 (AAD, ABT codes), 2.3L (2309cc) I5 (NG, NF codes), 2.6L (2598cc) V6 (ABC code) - Note: Specific engine availability for the 1991 model year needs confirmation by VIN.
Horsepower Range Typical:
Approximately 115 PS to 150 PS depending on engine variant
Torque Range Typical:
Approximately 160 Nm to 220 Nm depending on engine variant
Fuel Delivery:
Fuel Injection (MPI - Multi-Point Injection) for most variants
Cylinder Configuration:
Inline-4 and Inline-5, V6
Valve Train:
SOHC (Single Overhead Camshaft) for 4-cylinder, DOHC (Double Overhead Camshaft) for 5-cylinder and V6
Body Styles:
Sedan (4-door), Avant (Wagon/Estate), Coupe (though the Coupe often had a B3 chassis, B4 also saw the facelifted Coupe)
Wheelbase Typical:
Approximately 2610 mm
Overall Length Typical:
Approximately 4405 mm (Sedan)
Curb Weight Range:
Approximately 1200 kg to 1450 kg, depending on engine and drivetrain
Safety Standards:
Designed to meet contemporary European safety standards for the early 1990s.
Active Safety Features:
Anti-lock Braking System (ABS) was often an option, Power-assisted steering
Passive Safety Features:
Crumple zones, reinforced passenger cell, three-point seatbelts, driver airbag (optional on many models)
Infotainment System:
Basic AM/FM radio with cassette player was standard. Optional CD players were available. Later models might have had slightly more advanced systems.
Driver Assistance Features:
Limited by contemporary standards. ABS was an option. Cruise control was optional on many models.
Connectivity Features:
No significant modern connectivity features like Bluetooth or USB as standard. This was a product of its time.
Oil Change Interval:
Typically 10,000-15,000 km or 1 year, whichever comes first (dependent on oil type and driving conditions - consult manual for specifics).
Engine Oil Type:
API SG/SH or ACEA A2/A3, Viscosity often 5W-40 or 10W-40 (verify with specific engine and climate).
Coolant Type:
G11 (Ethylene Glycol based) antifreeze, mixed 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 (verify manual for exact specification).
Common Wear Items:
Suspension bushings, exhaust system corrosion, ignition coil packs, fuel pump, window regulators, ABS sensor failures.
Engine Specific Issues:
Coolant flange leaks on some 5-cylinder engines, potential head gasket issues if overheated.
Electrical Gremlins:
Intermittent electrical faults can occur due to age, especially in wiring harnesses and connectors.
Audi Heritage:
Audi, a German luxury automotive manufacturer with a long history of engineering and innovation, part of the Volkswagen Group.
B4 Introduction:
The B4 generation (Typ 8C) was an evolution of the Audi 80/90 B3. It featured a significant facelift, including a revised front end with the grille integrated into the bonnet, new bumpers, and updated lighting. It aimed to modernize the platform and improve aerodynamics.
Production Period:
1991-1996
Manufacturing Location:
Ingolstadt, Germany (primary)
