🏷️ Basic Information

Make:

Audi

Model:

A4

Generation:

B5

Model Years Covered:

1997, 1998, 1999, 2000, 2001

👋 Introduction

Vehicle Segment:

Compact executive car (premium compact sedan/wagon).

Key Competitors:

BMW 3 Series (E46), Mercedes-Benz C-Class (W202/W203), Volvo S40/V40, Alfa Romeo 155/156, Saab 9-3.

Platform Highlight:

Built on the Volkswagen Group B5 platform, shared with the Volkswagen Passat (B5).

Design Philosophy:

Audi's signature elegant styling, high-quality interior, refined driving experience, and available quattro all-wheel drive.

Utility:

Essential for DIY mechanics and independent workshops to perform accurate diagnostics, maintenance, and repairs on the Audi A4 B5.

Content Emphasis:

Emphasizes clarity through exploded views, diagrams, and step-by-step instructions for simplifying complex procedures.

📋 Manual Details

Engine Variants Covered:

1.6L (ADP, AHL, ANA, ARM), 1.8L (ADR, AEB, APU, ARK, AWL, AWT), 1.8L Turbo (AEB, ANB, APU, ARK, AWL, AWT, AMB), 2.4L V6 (AGA, ALF, AML, APS, ARJ), 2.8L V6 (ACK, AHA, ATQ, APR, AQD, AMX), 1.9L TDI (AHH, AHU, AHF, AJM, ATJ, AVB, AVX), 2.5L TDI V6 (AFB, AKN, AYM, BFC, BDG)

Estimated Page Count:

Extensive (exact count not provided, but typical for comprehensive workshop manuals, often 1000+ pages)

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF (Portable Document Format)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, cylinder head, valve train, pistons, connecting rods, crankshaft, timing, lubrication system, cooling system, fuel system (MPI, Turbo MPI, TDI), exhaust system.

Engine Electrical:

Ignition system, fuel injection systems (Bosch Motronic, EDC, etc.), starting and charging systems, engine control unit (ECU) diagnosis and wiring diagrams, sensors and actuators.

Transmission Manual:

Clutch assembly, manual transmission (gearbox) removal, disassembly, inspection, assembly, and adjustment. Shift linkage.

Transmission Automatic:

Automatic transmission (e.g., 4-speed Automatic Transmission) removal, disassembly, component inspection, hydraulic control, electronic control module (TCM), torque converter, and reassembly. Fluid and filter changes.

Drivetrain:

Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, differential, driveshafts, CV joints, rear differential (for quattro).

Suspension Front:

MacPherson strut suspension, control arms, subframe, wheel bearings, steering knuckle, springs, shock absorbers.

Suspension Rear:

Independent multi-link suspension, trailing arms, control arms, subframe, wheel bearings, springs, shock absorbers.

Brakes Hydraulic:

Brake pedal, master cylinder, brake booster, brake lines, brake hoses, brake fluid specifications and bleeding procedures.

Brakes Mechanical:

Front and rear disc brakes, brake calipers, brake pads, brake discs (rotors), parking brake system.

Steering:

Power steering system, steering rack, tie rods, steering column, steering wheel removal and installation.

Body Exterior:

Body panel removal and installation (fenders, hood, doors, trunk lid), bumper systems, glass and seals, hinges, latches, exterior trim.

Body Interior:

Dashboard, instrument panel, seats, door panels, headliner, carpeting, interior trim components, seat belts, airbags (SRS) system components and safety precautions.

Electrical System General:

12V battery, alternator, starter motor, lighting systems (headlights, taillights, interior lights), fuses, relays, wiring harnesses, power windows, central locking.

Climate Control:

Heating system, ventilation, air conditioning (HVAC) system components, refrigerant handling, blower motor, heater core, evaporator, A/C compressor.

Safety Systems:

Supplemental Restraint System (SRS) - airbags, seatbelt pretensioners, control module. Safety precautions related to airbag systems.

Routine Maintenance:

Oil and filter changes, air filter replacement, fuel filter replacement, spark plug replacement, coolant flush and replacement, brake fluid flush, tire rotation.

Major Repairs:

Engine overhaul, cylinder head gasket replacement, timing belt replacement, transmission rebuild, clutch replacement, suspension component replacement, brake caliper and rotor replacement.

Diagnostics:

Troubleshooting charts, common fault codes, diagnostic procedures for engine, transmission, ABS, SRS, and other electronic systems. Use of diagnostic scan tools.

Electrical Diagnostics:

Wiring diagrams, circuit testing, troubleshooting electrical faults, component testing (e.g., sensors, actuators, motors).

Adjustment Procedures:

Wheel alignment, parking brake adjustment, headlight aim adjustment, idle speed adjustment (where applicable).

Component Replacement:

Replacement of starters, alternators, water pumps, thermostats, radiators, fuel pumps, ignition coils, mass airflow sensors, throttle bodies, EGR valves, O2 sensors.

Bodywork Repair:

Panel replacement, dent repair, rust repair, door/trunk/hood alignment, glass replacement, weatherstrip replacement.

Wheel And Tire Service:

Tire changing, wheel balancing, wheel bearing replacement, hub replacement.

Depth Level:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls, including detailed electrical system diagnostics.

📊 Manual Specifications

Quality:

High-quality PDF, likely searchable and printable.

Printability:

Designed for printing individual sections or the entire manual.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Popular Variant Engine:

1.8L Turbocharged I4 (1.8T), delivering a good balance of performance and efficiency.

1.8T Power Output:

Typically around 150 hp (110 kW) and 155 lb-ft (210 Nm) of torque, with some later variants or performance tunes offering more.

2.8L V6 Power Output:

Around 190 hp (140 kW) and 207 lb-ft (280 Nm) of torque.

2.5L Tdi V6 Power Output:

Varies by specific engine code, but typically in the range of 150-180 hp (110-132 kW) and higher torque figures suitable for diesel power.

Injection Type:

Multi-Point Fuel Injection (MPI) for naturally aspirated engines, Electronic Diesel Control (EDC) for TDI engines.

ECU Systems:

Bosch Motronic (various versions) for gasoline engines, Bosch EDC for diesel engines.

Drive Mechanism:

Timing belt for 1.6L, 1.8L, and 2.4L V6. Timing belt for 1.9L TDI. Timing belt for 2.8L V6 and 2.5L TDI V6.

🔧 Transmission

Manual Transmission Offered:

5-speed manual transmission was standard on many models.

Automatic Transmission Offered:

4-speed automatic transmission (e.g., 01N, 01V) was a common option, particularly with larger engines and AWD.

Quattro System:

Available with either manual or automatic transmissions, featuring Torsen center differential (self-locking) on some models for permanent AWD.

Manual Transmission Fluid:

Typically SAE 75W-90 synthetic gear oil (refer to manual for exact specifications and capacities).

Automatic Transmission Fluid:

G 052 162 A1 or equivalent ATF fluid (refer to manual for exact specifications and capacities).

📐 Dimensions

Sedan Wheelbase:

Approximately 2615 mm (103.0 inches)

Avant Wheelbase:

Approximately 2615 mm (103.0 inches)

Sedan Length:

Approximately 4516 mm (177.8 inches)

Avant Length:

Approximately 4545 mm (178.9 inches)

Curb Weight Range:

Approximately 1350 kg to 1600 kg (2976 lbs to 3527 lbs), depending on engine and drivetrain.

🛡️ Safety Features

IIHS Crash Test Ratings:

Likely received 'Good' or 'Acceptable' ratings in frontal offset tests for its era, but specific ratings should be verified for individual model years.

ABS:

Standard Anti-lock Braking System (ABS).

Esp รุ่น:

Electronic Stability Program (ESP) or Electronic Stabilization Program became available on later models, especially with quattro.

Airbags:

Driver and front passenger airbags were standard. Optional side airbags were available.

Seatbelts:

Three-point seat belts with pre-tensioners for front occupants, three-point seat belts for rear occupants.

💡 Technology Features

Audio System:

Factory Audi Symphony or Concert audio systems with AM/FM radio, CD player, and sometimes cassette. Optional CD changer.

Navigation:

Optional factory navigation system available on some higher trims.

Parking Sensors:

Rear parking sensors (ParkDistanceControl) were an option on later models.

Phone Integration:

Optional dealer-installed Bluetooth or factory phone preparation kits were available.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 miles (15,000 km) or 12 months, whichever comes first. May vary based on driving conditions and oil type used (refer to manual for specific recommendations).

Timing Belt Replacement:

Crucial maintenance item. For most engines, it's recommended every 60,000 to 90,000 miles (96,000 to 145,000 km) or 5-7 years. This is a critical replacement to prevent catastrophic engine damage.

Spark Plug Replacement:

Varies by spark plug type (copper, platinum, iridium). Typically 30,000 to 100,000 miles depending on material.

Engine Oil Type:

Varies by engine, but typically 5W-40 or 5W-30 synthetic oil meeting VW 500.00, 501.01, 502.00, or 505.00 specifications. Refer to manual for exact grade.

Coolant Type:

G 12 or G 12+ coolant (purple colored) meeting VW TL 774-C or TL 774-D specifications, mixed with distilled water.

Brake Fluid Type:

DOT 4 brake fluid.

Common Problems Engine:

Ignition coil failure, mass airflow sensor (MAF) issues, oil leaks (e.g., valve cover gasket, oil pan gasket), vacuum leaks, camshaft adjuster solenoids (on some 1.8T engines), PCV system issues.

Common Problems Suspension:

Wear in control arm bushings and ball joints, strut mount failure, premature wear of wheel bearings.

Common Problems Electrical:

Window regulator failures, central locking issues, instrument cluster pixel degradation, ABS sensor failures, climate control unit problems.

Common Problems Tdi:

Crankshaft position sensor (CKP) failure, turbocharger issues (variable geometry on some models), glow plug issues, fuel injector seal leaks.

📚 Vehicle History

Audi Legacy:

Audi has a long history of engineering excellence, particularly known for its quattro all-wheel-drive systems and premium interiors.

B5 Generation Context:

The B5 generation (1995-2001) represented a significant step forward for Audi in terms of design, technology, and market presence, competing directly with established German luxury brands.

Manufacturing Locations:

Primarily produced in Ingolstadt and Neckarsulm, Germany.

🏆 Awards & Recognition

Car And Driver 10Best:

The Audi A4 was frequently recognized by publications like Car and Driver as one of the best cars of its class during its production run.

Jd Power Ratings:

JD Power and Associates studies often ranked Audi favorably for initial quality and dependability in its segment during this period.

European Design Awards:

Likely received various automotive design awards in Europe due to its modern and elegant styling.