Segment:
Full-size Luxury Sedan
Positioning:
Flagship luxury vehicle known for advanced technology, comfort, and performance.
Key Competitors:
Mercedes-Benz S-Class, BMW 7 Series, Lexus LS, Jaguar XJ
Technology Focus:
Pioneered many automotive technologies, including advanced driver assistance systems and sophisticated infotainment.
Performance Focus:
Standard Quattro all-wheel-drive and powerful V8 engines emphasize performance and all-weather capability.
Luxury Focus:
Premium interior materials, spacious cabin, and advanced comfort features define its luxury positioning.
Primary Coverage:
Service and Repair
Diagnostic Coverage:
Advanced Diagnostics
Maintenance Coverage:
Scheduled Maintenance, Routine Service
Repair Coverage:
Component-level Repair, System Overhaul
Estimated Page Count:
Likely extensive, exceeding 2000 pages (typical for comprehensive OE software)
Type:
Software-based Service and Repair Manual
Language:
English (standard for RepairSurge software)
Format:
Online access via web browser, PC/Laptop/Smartphone/Tablet compatible
Access Period:
1 Year Subscription
Engine Mechanical:
Engine removal/installation, cylinder head, engine block, pistons, crankshaft, camshafts, valve train, timing system, lubrication system, cooling system
Engine Performance:
Fuel injection system, ignition system, emission control systems, turbocharging/supercharging (if applicable)
Transmission Drivetrain:
Automatic transmission (e.g., Tiptronic), Quattro all-wheel-drive system, differentials, drive shafts, CV joints
Brakes:
Hydraulic system, ABS, ESP, brake calipers, rotors, pads, parking brake
Suspension Steering:
Adaptive air suspension (standard on many A8 models), control arms, linkages, shock absorbers, steering rack, power steering system, wheel alignment
Electrical System:
Battery, charging system, starter, lighting, power windows, mirrors, seats, door locks, fuses, relays
Body Interior:
Body panels, doors, hood, trunk, interior trim, seats, airbags, seatbelts, climate control system (HVAC), body control modules
Infotainment Navigation:
MMI (Multi Media Interface) system, navigation, audio system, telematics
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, wiring diagrams, electrical schematics
Repair Instructions:
Step-by-step repair procedures with detailed illustrations and torque specifications
Maintenance Procedures:
Oil changes, filter replacements, fluid flushes, belt inspections/replacements, spark plug changes
Component Replacement:
Detailed instructions for replacing major components like engine, transmission, suspension parts, electrical modules, etc.
Depth:
Comprehensive, from basic maintenance to complete overhaul and advanced diagnostics, mirroring OE factory information
Engine Code Options:
Likely BNS (4.2L V8 FSI) or ASN (4.2L V8 MPI) for the 2005 model year.
Displacement:
4.2 Liters (4172 cc)
Horsepower Hp:
Approximately 335-350 hp (depending on FSI vs. MPI)
Torque Lb Ft:
Approximately 317-325 lb-ft (depending on FSI vs. MPI)
Injection Type:
Multi-Point Fuel Injection (MPI) or Fuel Stratified Injection (FSI)
Configuration:
V8, 90-degree bank angle
Valvetrain:
DOHC (Dual Overhead Camshafts), 4 valves per cylinder
NHTSA Front Impact:
5-Star (typically for this era of luxury vehicles)
IIHS Side Impact:
Good (likely, depending on specific tests)
Stability Control:
Electronic Stabilization Program (ESP)
Traction Control:
ASR (Anti-Slip Regulation)
Braking Assistance:
Anti-lock Braking System (ABS), Brake Assist
Airbags:
Front airbags, side airbags, curtain airbags (head protection for front and rear passengers)
Seatbelts:
Pretensioning seatbelts with force limiters
Interface:
MMI (Multi Media Interface) system with rotary controller, buttons, and a central LCD display.
Features:
Navigation system, radio, CD player, optional satellite radio, Bluetooth connectivity (often an option or dealer add-on).
Adaptive Cruise Control:
Available, often referred to as 'Adaptive Cruise Control' or 'ACC'.
Parking Assistance:
Front and rear parking sensors ('Parktronic').
Bluetooth:
Optional, integrated into MMI or as an accessory phone preparation.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil.
Major Service Interval:
Spark plug replacement often recommended around 60,000-100,000 miles. Timing belt replacement not applicable for these models as they use a timing chain.
Engine Oil Type:
SAE 0W-40 or 5W-40 Synthetic Engine Oil meeting VW 502 00 specification.
Transmission Fluid Type:
G 055 005 (or equivalent for ZF 6HP19/26 transmissions)
Coolant Type:
G 12 Plus (or equivalent, typically a pink or purple long-life coolant)
Common Problems:
Air suspension compressor failure, ignition coil failure, oil leaks (especially from valve cover gaskets and oil cooler seals), MMI system glitches, infotainment screen issues.
Timing Chain Tensioners:
While not a belt, early models of V8 engines can experience wear on timing chain tensioners, requiring proactive inspection and potential replacement.
Brand Philosophy:
Audi is renowned for its 'Vorsprung durch Technik' (Advancement through Technology) slogan, emphasizing innovation and engineering excellence.
D3 Generation Introduction:
The D3 generation A8 was introduced in 2002, showcasing a significant redesign and incorporating advanced technologies like the MMI and optional adaptive air suspension.
Key Innovations D3:
Introduction of Audi Space Frame (ASF) aluminum construction for improved rigidity and weight savings, advanced MMI interface, and widespread use of LED lighting.
Manufacturing Plant:
Neckarsulm, Germany
