Segment:
Full-size luxury sedan.
Competitors:
Mercedes-Benz S-Class, BMW 7 Series, Lexus LS, Jaguar XJ.
Aluminum Construction:
Pioneering use of Audi Space Frame (ASF) aluminum construction for reduced weight and increased rigidity.
Quattro AWD:
Standard advanced Quattro all-wheel-drive system for enhanced traction and stability.
Premium Features:
High levels of comfort, technology, and luxury appointments expected in its segment.
Diy Benefit:
Enables do-it-yourselfers to perform maintenance and repairs, saving significantly on labor costs.
Primary Coverage:
1998 Audi A8 Quattro
Estimated Pages:
Extensive (digital format, typically thousands of pages equivalent to factory documentation)
Type:
Service and Repair Manual Software
Format:
Online Software (Web-based)
Accessibility:
Accessible via PC, laptop, smartphone, or tablet with an internet connection and web browser.
Access Duration:
One year of access included, with discounts available for extended access.
Licensing:
Officially licensed, derived from OE (Original Equipment) materials by RepairSurge.
Engine Mechanical:
Complete engine disassembly, assembly, diagnosis, and repair for all available engines.
Engine Management:
Fuel injection, ignition system, emissions control, diagnostic trouble codes (DTCs), sensor testing, ECU operation.
Transmission Automatic:
Service, repair, diagnosis, fluid changes, and component replacement for the automatic transmission.
Drivetrain:
Front and rear differential service, driveshaft maintenance, CV joint inspection and replacement, Quattro all-wheel-drive system.
Suspension:
Front and rear suspension component replacement (shocks, struts, control arms, bushings), alignment procedures, air suspension system (if equipped).
Steering:
Power steering system diagnosis and repair, steering rack and linkage service, steering column components.
Brakes:
Brake system service, component replacement (pads, rotors, calipers), hydraulic system bleeding, ABS diagnosis and repair.
Electrical System:
Full wiring diagrams, component testing, troubleshooting guides for lighting, power accessories, starting and charging systems.
Climate Control:
Air conditioning (AC) system service, diagnosis, refrigerant handling, heater core replacement, climate control unit operation.
Body And Interior:
Panel removal and installation, interior trim, door mechanisms, glass replacement, body repair guidance.
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, tune-ups.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting charts.
Repair And Rebuild:
Detailed step-by-step instructions for component removal, installation, and complete rebuilds.
Diagnostic Testing:
Procedures for testing sensors, actuators, electrical circuits, and mechanical components using appropriate tools.
Component Identification:
Location and identification of all major components and their sub-parts.
Depth:
Factory-level detail, covering everything from routine maintenance to complex diagnostics and component overhauls.
Diagnostic Codes:
Coverage of OBD-II diagnostic trouble codes (DTCs) and specific Audi diagnostic codes.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Engine Type 1:
4.2L V8 (ABT/AQJ)
Engine Type 2:
2.8L V6 (AAH/ACK - may vary by market/specific 1998 models)
Horsepower V8:
300 hp @ 6000 rpm (approx.)
Torque V8:
295 lb-ft @ 3200 rpm (approx.)
Horsepower V6:
201 hp @ 6000 rpm (approx.)
Torque V6:
207 lb-ft @ 3200 rpm (approx.)
Fuel Delivery V8:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Delivery V6:
Sequential Multi-Port Fuel Injection (MPI)
Valvetrain V8:
4 valves per cylinder, Dual Overhead Camshafts (DOHC), 5 valves per cylinder on later V6/V8s.
Valvetrain V6:
2 valves per cylinder, Dual Overhead Camshafts (DOHC), 5 valves per cylinder on later V6/V8s.
Transmission Type Standard:
5-speed Tiptronic Automatic Transmission
Transmission Type Optional:
None typically offered for 1998 model, automatic was standard for AWD.
Tiptronic Functionality:
Allows manual selection of gears via the gear selector or steering wheel buttons.
Transmission Fluid Type:
G 052 162 A1/A2 (or equivalent ATF specification like Dexron III)
NHTSA Driver Front Impact:
Not directly rated by NHTSA for 1998 models in the same way as modern vehicles, but designed to high European safety standards.
IIHS Side Impact:
Not specifically rated by IIHS for this model year.
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Standard Electronic Stability Program (ESP) or Traction Control System (TCS).
Airbags Front:
Driver and front passenger airbags.
Airbags Side:
Optional side airbags (mounted in seats) may have been available.
Seatbelts:
Three-point inertia-reel seatbelts with pretensioners for front seats.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12 months, whichever comes first, depending on driving conditions.
Timing Belt Interval:
V6 engines (if applicable) often had timing belts requiring replacement around 75,000-100,000 miles. V8 engines typically used maintenance-free timing chains.
Engine Oil Type:
Synthetic 5W-40 or 5W-30, meeting VW 502 00/505 00 specifications.
Coolant Type:
G 12 Plus (or equivalent silicate-free, long-life coolant).
Electrical Gremlins:
Some owners report intermittent electrical issues, particularly with window regulators, door locks, and sensor failures due to age.
Suspension Components:
Wear on control arm bushings and ball joints can lead to steering looseness and premature tire wear.
Ignition Coils:
Coil-on-plug systems (on some later models or if upgraded) can be a source of misfires.
Mass Airflow Sensor:
The Mass Airflow (MAF) sensor can become dirty or fail, leading to poor engine performance and rough idling.
