Positioning:
The definitive guide for maintaining and repairing Audi's flagship luxury sedan and its performance variant during a crucial period of technological advancement.
Unique Selling Points:
Vehicle-specific information (not generic), detailed diagrams and illustrations, wiring schematics, used by authorized technicians.
Competitors:
Competed with other luxury sedans of the era such as Mercedes-Benz S-Class, BMW 7 Series, and Lexus LS.
Years Covered:
1997, 1998, 1999, 2000, 2001, 2002, 2003
Model Variants Covered:
A8 (standard wheelbase), A8 (long wheelbase), S8
Estimated Page Count:
Extensive (not specified, but implies comprehensive factory-level detail)
Type:
Service Repair Workshop Manual
Searchability:
Likely searchable text within the PDF for efficient information retrieval.
Engine Mechanical:
Yes (detailed repair and overhaul)
Engine Electrical:
Yes (including wiring schematics)
Fuel System:
Yes (injection, pumps, lines)
Clutch System:
Yes (for manual transmission variants)
Manual Transaxle:
Yes (if applicable to specific models/years within range)
Automatic Transaxle:
Yes (detailed repair and diagnostics)
Driveshaft Axle:
Yes (CV joints, driveshafts, differentials)
Suspension:
Yes (including adaptive air suspension if equipped)
Steering:
Yes (power steering, components)
Restraint Systems:
Yes (airbags, seatbelts)
Brake System:
Yes (ABS, hydraulics, components)
Body Interior:
Yes (trim, panels, seats)
Body Exterior:
Yes (body panels, glass, seals)
Body Electrical:
Yes (lighting, power accessories, sensors)
HVAC:
Yes (heating, ventilation, air conditioning, climate control)
General Information:
Yes (includes torque specifications, general procedures, vehicle identification numbers).
Maintenance:
Yes (oil changes, filter replacements, fluid checks, spark plugs)
Troubleshooting:
Yes (diagnostic flowcharts, common problem identification)
Repair:
Yes (step-by-step instructions for all major systems)
Diagnostics:
Yes (including OBD-II codes and system analysis)
Wiring Schematics:
Yes, comprehensive wiring diagrams for all electrical systems are included.
Installation:
Implied for component replacement and system repairs.
Depth:
Comprehensive factory-level detail, suitable for professional technicians and skilled DIYers.
Illustrations:
Detailed step-by-step instructions with clear diagrams and illustrations.
Engine Options:
2.8L V6 (AAH, ATQ), 4.2L V8 (ABH, AQD, AKG, ART, AUX), 4.2L V8 Bi-Turbo (340 PS - S8 AHC, AKH)
A8 4.2 Power:
Approx. 300 hp (221 kW) for V8 models
S8 4.2 Power:
340 PS (250 kW) for S8 Bi-Turbo models
Injection Type:
Multi-point fuel injection (MPI)
S8 Engine Code Example:
AHC / AKH (4.2L V8 Bi-Turbo)
Transmission Type:
5-speed Tiptronic automatic transmission (01V for V6/V8, 01A for manual AWD)
Transmission Type:
5-speed manual transaxle (less common on A8, potentially on early V6 models, more common on S8 variant of the previous generation)
Drivetrain:
Quattro permanent all-wheel drive
Airbags:
Front airbags, side airbags, and optional rear side airbags.
Seat Belts:
Front and rear 3-point seat belts with pre-tensioners.
ABS:
Standard Anti-lock Braking System (ABS)
Esp:
Standard Electronic Stability Program (ESP)
NHTSA Rating:
While NHTSA ratings for this specific vintage may vary by testing methodology and availability, the A8/S8 was designed to high safety standards for its era.
Audi Navigation System:
Available Audi Navigation System Plus with CD-ROM maps.
Audio System:
Bose premium sound system often an option.
Parking Assist:
Available front and rear parking sensors (Audi parking system).
Phone Integration:
Optional integrated hands-free telephone system.
Oil Change:
Typically 10,000 miles (16,000 km) or 12 months, whichever comes first (refer to manual for exact specification).
Timing Belt V6:
Recommended replacement every 60,000-100,000 miles or 5-7 years (crucial for V6 engines).
Engine Oil V6:
SAE 5W-40 Synthetic (e.g., VW 502 00/505 00 specification)
Engine Oil V8:
SAE 0W-40 or 5W-40 Synthetic (e.g., VW 502 00/505 00 specification)
Transmission Fluid Auto:
G 052 162 A2 (Pentosin ATF1 or equivalent)
Coolant:
G12 Plus (G 012 A8D M1) or G12++ (G 013 A8M M1) ethylene glycol based coolant
Common Failures:
HVAC blower motor resistor, window regulators, ignition coil packs, ABS/ESP sensors, electronic climate control issues, coolant leaks (especially water pump and thermostat housing), air suspension compressor and air springs (if equipped).
Brand Focus:
Audi's commitment to luxury, technology, and performance.
D2 Era:
The D2 generation (1994-2002) marked a significant leap for the A8, introducing advanced aluminum construction (ASF - Audi Space Frame) and sophisticated technology for its time.
Production Period D2:
1994-2002 (with the covered years representing the later phase of this generation).
