Target Audience:
Technicians, mechanics, and Audi 80 (B4) owners seeking to perform repairs and maintenance.
Value Proposition:
Low price, high quality, instant access, and comprehensive information for DIY and professional use.
Advantages:
Instant download, printable at high quality, complete factory information, covers a wide range of systems.
Engine:
Detailed information on all engine variants, including maintenance, repair, and diagnostics.
Transmission:
Coverage of manual and automatic transmissions, including overhaul procedures and fluid specifications.
Brakes:
Comprehensive information on brake system components, maintenance, bleeding procedures, and repair.
Cooling System:
Details on radiator, thermostat, coolant, and associated components, including leak testing and repairs.
Exhaust:
Information on exhaust system components, including catalytic converter, mufflers, and pipe replacements.
Steering And Suspension:
Coverage of steering gear, power steering system, suspension components, alignment, and common wear items.
Electrical System:
Extensive coverage of wiring diagrams, electrical components, diagnostics, and troubleshooting for various circuits.
Bodywork:
Information related to body panels, doors, latches, and trim, likely including repair and adjustment procedures.
Lighting:
Details on headlights, taillights, interior lighting, and their electrical connections.
Fuel System:
Information on fuel pump, injectors, fuel lines, and related components.
Air Conditioning:
Likely covers basic maintenance and troubleshooting of the A/C system.
Maintenance:
Routine maintenance tasks, fluid changes, filter replacements, lubrication points.
Repair:
Step-by-step repair instructions for major and minor components.
Troubleshooting:
Diagnostic procedures and symptom-based troubleshooting guides.
Technical Data:
Specific torque values, clearances, and measurements for various components.
Depth:
Complete factory service information, suitable for technicians and advanced DIY enthusiasts.
Diagnostics:
Includes diagnostic procedures for common issues and component testing.
Rebuilds:
Likely provides detailed procedures for component rebuilds (e.g., engine, transmission, carburetor).
Engine Options 1:
2.0L 4-cylinder (e.g., 3A, ABT, ACE engines)
Engine Options 2:
2.3L 5-cylinder (e.g., NG, AAR engines)
Engine Options 3:
2.6L V6 (e.g., ABC engine)
Engine Options 4:
2.8L V6 (e.g., AAH engine) - Possibly later in B4 production
Engine Options 5:
1.9L TDI Diesel (e.g., 1Z engine) - Common in European markets
Hp Range:
Approximately 75 hp (TDI) to 174 hp (V6 variants), depending on specific engine.
Torque Range:
Varies significantly based on engine size and type.
Injection Type:
Electronic Fuel Injection (EFI), Bosch Motronic systems common.
Type 1:
5-speed Manual Transmission
Type 2:
4-speed Automatic Transmission (e.g., ZF 4HP18, ZF 4HP22)
Drive Layout:
Front-Wheel Drive (FWD) standard, with optional quattro all-wheel drive available on certain models.
Crash Testing:
While official Euro NCAP ratings for this specific year/model are not readily available, the B4 generation generally offered improved safety features over its predecessors.
ABS:
Anti-lock Braking System (ABS) was available as an option on many models.
Airbags:
Driver's airbag became more common in this era, likely optional or standard on higher trims.
Seatbelts:
Front and rear seatbelts, possibly with pre-tensioners on the front.
Oil Change:
Typically every 10,000-15,000 km or 12 months, depending on oil type and driving conditions (manual will specify).
Timing Belt:
Crucial for many Audi engines of this era. Intervals vary, often around 60,000-90,000 km or 4-5 years. Critical to follow manual recommendations to prevent catastrophic engine damage.
Engine Oil:
Viscosity grades like 5W-40 or 10W-40 were common, with API ratings (e.g., SG, SH) specified in the manual. Always consult for exact specification.
Coolant:
Typically G11 (blue/green) or G12 (red/pink) antifreeze/coolant mixture. Manual will confirm correct type and concentration.
Brake Fluid:
DOT 4 is a common specification, but DOT 3 might also be mentioned for certain components. Manual is definitive.
Transmission Fluid Manual:
Gear oil specifications vary by gearbox type (e.g., API GL-4 or GL-5). Manual will provide exact grade and quantity.
Transmission Fluid Automatic:
Specific ATF (Automatic Transmission Fluid) type, e.g., Dexron II, or proprietary Audi fluids. Manual is essential.
Electrical Gremlins:
Common in many cars of this era; issues with wiring harnesses, grounds, and control modules can occur.
Suspension Wear:
Bushings, ball joints, and control arms can wear over time, leading to knocking noises or poor handling.
Cooling System Leaks:
Hoses, radiator, and water pump are common leak points.
Exhaust Manifold Cracks:
Can occur on some engine variants due to heat cycles.
Audi Legacy:
Audi's reputation for quality engineering and sophisticated design, building on the success of earlier 80/90 generations.
B4 Introduction:
The B4 generation was introduced in 1991 as a successor to the B3. It featured a significant redesign with a more aerodynamic profile, improved interior, and new engine options.
Platform:
Shared its platform with the Audi Coupe (Typ 89) and Cabriolet.
Production Years:
1991-1995 for the B4 generation.
Manufacturing Location:
Primarily Ingolstadt, Germany.