Positioning:
A premium mid-size sedan and wagon targeting those seeking refined European engineering, advanced technology, and a sophisticated driving experience.
Competitors:
BMW 3 Series (E36/E46), Mercedes-Benz C-Class (W202), Lexus IS (first generation), Infiniti G20.
Design:
Audi's signature understated elegance, clean lines, excellent build quality, and refined interior appointments.
Driving Dynamics:
Available Quattro all-wheel drive system providing exceptional traction and stability, balanced chassis tuning for a comfortable yet engaging ride.
Applicable Years:
1997, 1998, 1999, 2000
Vehicle Types:
Sedan, Avant (Wagon)
Engine Variants Covered:
1.8L Turbo (AGB, AEB, APU, ARK, AWT), 2.8L V6 (AAH, ABC, ACK, AHA, ATQ), 2.7L Bi-Turbo V6 (APU, ARE, BES - S4 specific).
Estimated Pages:
Thousands (as indicated by comprehensive coverage)
Type:
Factory Service Repair Manual
Manual Usefulness:
Ideal for DIY mechanics, professional technicians, and Audi enthusiasts seeking to perform maintenance, repairs, and diagnostics.
Format:
Digital (PDF implied by download mention)
Powertrain:
Engine Mechanical, Engine Control System, Fuel System (Injection), Exhaust System, Clutch System, Manual Transaxle, Automatic Transaxle, Driveline/Axle (Front and Rear), Differential/Drive
Chassis:
Suspension (Front and Rear), Steering System, Brake System (including Parking Brake and Control Systems), Wheels and Tires
Electrical:
Electrical System, Wiring Diagrams, Starting and Charging System, Lighting System, Driver Information System, Wiper/Washer/Horn, Body Control System, LAN System, Audio-Visual, Navigation, Power Supply, Ignition System, Restraint System (Airbags, Seatbelts)
Body And Comfort:
Chassis/Body (Interior and Exterior), Body Repair, Lock and Security System, Glass, Window System, Roof, Heater/Air Conditioning, Interior Components, Instrumental Panel
Emission Control:
Emission System, Evaporative Emission Control (EVAP), Secondary Air Injection (SAI), Catalytic Converter systems.
Maintenance:
General Maintenance, Periodic Lubrication, Tune-Up Procedures, Fluid Changes, Filter Replacements, Inspection Points
Repair:
Step-by-step repair procedures for all major systems, engine disassembly/reassembly, transmission overhaul, brake caliper replacement, suspension component installation, electrical component diagnosis and replacement.
Troubleshooting:
Diagnostic procedures, common fault finding, symptom-based troubleshooting guides, error code explanations.
Diagnostics:
Includes diagnostic flowcharts, testing procedures for sensors and actuators, and descriptions of diagnostic trouble codes (DTCs).
Calibration Procedures:
Likely includes procedures for recalibrating systems after component replacement (e.g., throttle body, steering angle sensor if applicable).
Body Repair:
Includes procedures for panel alignment, dent repair, rust prevention, and replacement of body components.
Depth:
Comprehensive Factory-Level Detail (covering basic maintenance to complete engine and transmission rebuilds, advanced diagnostics, and electrical system tracing).
Torque Specifications:
Detailed torque specifications for all critical fasteners (engine, transmission, suspension, brakes).
Alignment Specs:
Front and rear wheel alignment specifications.
Electrical Diagrams:
Comprehensive wiring diagrams for all electrical systems, enabling detailed troubleshooting.
Component Diagrams:
Exploded views and part diagrams for major assemblies, aiding in identification and reassembly.
Engine Options:
Commonly includes 1.8L turbocharged inline-4 (APU, ARK, etc.), 2.6L V6 (ABC), 2.8L V6 (ACK, AHA), and later 2.7L twin-turbo V6 (APU, ARE, BES) in S4 models.
Horsepower Range:
Approximately 150 hp (1.8T) to 265 hp (2.7 Bi-Turbo).
Torque Range:
Approximately 155 lb-ft (1.8T) to 258 lb-ft (2.7 Bi-Turbo).
Injection:
Electronic Fuel Injection (EFI) with Bosch Motronic engine management.
Fuel Type:
Premium unleaded gasoline (91 octane or higher recommended for turbocharged and V6 engines).
Timing Belt Replacement:
Critical. Typically every 90,000-105,000 miles or 5-7 years. Failure can cause severe engine damage.
Engine Code Example 1 8T:
AEB (20v Turbo)
Engine Code Example 2 8V6:
ACK (30v V6)
Audio System:
Audi Gamma or Concert/Symphony radio systems, often with cassette and CD players. Bose sound system optional on higher trims.
Driver Aids:
ABS, Traction Control (ASR/EDL), Cruise Control.
Connectivity Features:
Limited by era; optional navigation systems were available on some models, often requiring a trunk-mounted CD-ROM unit.
Comfort Tech:
Automatic climate control, power windows and mirrors, heated seats, optional sunroof.
Oil Change Interval:
Typically 5,000 to 7,500 miles or annually, depending on driving conditions and oil used.
Spark Plug Replacement:
Platinum/Iridium plugs usually require replacement around 60,000-100,000 miles. Consult manual for specific intervals.
Engine Oil:
Typically SAE 5W-40 or 0W-40 synthetic oil meeting VW 502.00 specification.
Coolant:
G12 or G12+ (pink) ethylene glycol-based coolant, mixed 50/50 with distilled water.
Transmission Fluid Manual:
Gear oil meeting specific GL rating (e.g., GL-4 or GL-5, check manual for exact spec for each gearbox).
Transmission Fluid Automatic:
G 052 162 A2 (or equivalent ATF compatible with the specific ZF transmission used).
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid.
Differental Fluid:
API GL-5 specification gear oil for manual transmissions and differentials. Refer to manual for specific viscosity.
Common Problems:
Timing belt failure (if not replaced), coolant flange leaks, oil cooler seal leaks, ABS wheel speed sensor failures, ignition coil failures, power window regulator failures, interior trim creaks.
Turbocharger Care:
For 1.8T models, proper warm-up and cool-down procedures are essential to prevent turbocharger damage.
Heritage:
Audi, a subsidiary of Volkswagen Group, has a long history of engineering excellence and automotive innovation, particularly with its Quattro all-wheel-drive system.
Evolution:
The B5 generation A4 replaced the Audi 80/90 and established Audi as a strong contender in the premium compact executive segment, known for its refined driving experience and build quality. It was succeeded by the B6 generation.
Manufacturing Location:
Ingolstadt, Germany, and other Volkswagen Group facilities.