🏷️ Basic Information

Make:

Audi

Model:

B5 (A4/S4)

Production Years Covered:

1997-2001

Chassis Codes:

Typ 8D

👋 Introduction

Positioning:

Premium compact executive sedan and wagon, competing with Mercedes-Benz C-Class and BMW 3 Series.

Key Competitors:

BMW E46 3 Series, Mercedes-Benz W202 C-Class, Lexus IS200.

Platform Significance:

Based on the Volkswagen Group B Platform (PL45), shared with VW Passat B5.

Design Philosophy:

Sleek, aerodynamic design with a focus on driver engagement and refined interior.

📋 Manual Details

Manual Type:

Workshop Service and Repair Manual

Coverage Scope:

Complete FSM (Factory Service Manual)

Estimated Page Count:

Over 1500 pages (typical for this generation)

Languages Available:

English, Spanish, Swedish

Download File Format:

RAR Archive (containing PDF files)

Software Requirements:

WinRAR or 7-ZIP (recommended), PDF Reader

Compatibility:

All Windows & Mac versions

📖 Manual Coverage

Engine Mechanical:

Complete overhaul, disassembly, assembly, diagnostics, timing belts/chains, valve train, pistons, rings, connecting rods, crankshaft, oil pump, cooling system components.

Engine Lubrication Cooling:

Oil system, oil filter replacement, oil cooler, radiator, water pump, thermostat, coolant hoses, fan systems.

Engine Fuel Emission:

Fuel injection system (Bosch Motronic variants), fuel pump, fuel injectors, fuel filter, throttle body, emission control systems (EVAP, EGR), oxygen sensors, catalytic converter.

Drivetrain:

Clutch system (hydraulic, release bearing, pressure plate, flywheel), manual transmission (disassembly, assembly, gear ratios), automatic transmission (Tiptronic variants, removal, installation, fluid changes, torque converter), propeller shaft, differential carrier.

Suspension Steering:

Front and rear suspension components (control arms, ball joints, bushings, struts, shocks), wheel alignment procedures, steering rack, power steering system, steering column, tie rods.

Brakes:

Brake system diagnosis, hydraulic components (master cylinder, brake lines, calipers, wheel cylinders), ABS system components, brake pad and rotor replacement, parking brake system.

Electrical System:

Wiring diagrams, battery, alternator, starter motor, ignition system, lighting (headlights, taillights, interior), fuse box, relays, sensors, ECUs, dashboard instruments, power windows, central locking.

Body Trim HVAC:

Body panels, doors, interior trim, dashboard removal, seats, airbags, restraint system, heater core, air conditioning system (refrigerant, compressor, condenser, evaporator), climate control.

Maintenance:

Routine maintenance, oil change, filter replacement, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid), spark plug replacement, belt inspection and replacement.

Diagnostics:

Troubleshooting procedures for all major systems, fault code interpretation (OBD-II relevant), component testing, symptom-based diagnostics.

Repair Replacement:

Step-by-step instructions for component removal, repair, and installation for all systems listed in coverage_areas.

Adjustments:

Various adjustments including throttle cable, handbrake, clutch pedal, suspension alignment.

Depth Of Information:

Comprehensive, suitable for dealership technicians; covers detailed disassembly, assembly, and complex diagnostics.

📊 Manual Specifications

PDF Quality:

High-resolution, searchable PDF files with clear diagrams and text.

Printability:

Designed to be printable for use in a workshop environment.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Variants Covered:

1.8L Turbo (AEB, APU, ARK, etc.), 2.8L V6 (AAH, ACK, AHL, etc.), 2.5L V6 (BDV), 2.7L Biturbo V6 (APU, AWT - S4), 1.9L TDI Diesel (AHH, AJM, etc.).

Typical Horsepower Range:

125 hp (1.9 TDI) to 265 hp (2.7 Bi-Turbo S4).

Typical Torque Range:

200 Nm (1.9 TDI) to 400 Nm (2.7 Bi-Turbo S4).

Fuel Delivery:

Multi-point fuel injection (MPI) or Electronic Fuel Injection (EFI) with Bosch Motronic engine management.

Recommended Fuel:

Unleaded gasoline (octane rating varies by engine), Diesel for TDI models.

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission (e.g., GFU, FPA).

Optional Transmission:

5-speed Tiptronic Automatic Transmission (e.g., FGA, FGB).

Drivetrain Options:

Front-wheel drive (FWD) and legendary quattro All-Wheel Drive (AWD) system.

Transmission Fluid Spec:

Specific ATF fluids required for automatic transmissions (e.g., G 052 162 A2 for Tiptronic). Manual transmissions use gear oil.

📐 Dimensions

Body Styles:

Sedan (Saloon) and Avant (Wagon).

Curb Weight Range:

Approximately 1400 kg - 1700 kg depending on engine and configuration.

🛡️ Safety Features

Euro Ncap Rating:

Four stars for the A4 (pre-2000 testing protocols).

Active Safety Systems:

Anti-lock Braking System (ABS), Electronic Stability Program (ESP) on some models.

Passive Safety Features:

Front airbags, side airbags (optional), pre-tensioned seatbelts, reinforced chassis structure.

💡 Technology Features

Audio Systems:

Factory Audi Symphony or Concert CD players, optional Bose sound system, navigation systems available on later models.

Driver Assistance Features:

Cruise control, parking sensors (rear, optional on some models).

Connectivity Options:

OnStar (in North America on some models), CD changer integration.

🔧 Maintenance

Oil Change Interval:

Typically 10,000 miles or 1 year (LongLife service interval option available, but often recommended to stick to fixed intervals).

Timing Belt Replacement:

For 1.8T: ~90,000 miles or 5 years. For V6 engines (non-chain): ~70,000 miles or 5 years. Consult specific engine code manual section.

Engine Oil Spec:

Fully synthetic 5W-40 or 5W-30 meeting VW 502 00 / 505 00 specifications.

Coolant Spec:

G12 or G12+ coolant (red/purple) mixed with distilled water.

Brake Fluid Spec:

DOT 4 brake fluid.

Common Wear Items:

Control arm bushings, coil packs (1.8T), ABS sensors, coolant flange leaks, PCV system issues (1.8T).

S4 Specific Issues:

Coolant leaks from the coolant pipe that runs through the valley of the 2.7T engine, turbocharger maintenance.

📚 Vehicle History

Audi Legacy:

Audi has a long history of producing refined German automobiles, known for engineering and quattro AWD.

B5 Generation:

The B5 generation A4 marked a significant step for Audi in the compact executive segment, introducing a more modern design and advanced technology compared to its predecessor (B4).

Production Locations:

Primarily Ingolstadt, Germany.

🏆 Awards & Recognition

Car And Driver 10Best:

Audi A4 was a consistent contender and recipient of Car and Driver's 10Best awards during this period.

Consumer Reports Ratings:

Generally rated well for performance and interior comfort, with some models showing average to below-average reliability for specific components.