Target Audience:
Audi A6/S6/RS6 C5 owners (DIY mechanics) and Independent Auto Service Professionals
Value Proposition:
Provides professional-grade repair information, enabling significant cost savings on maintenance and repairs compared to dealership services.
Content Style:
Vehicle-specific, not generic; includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications.
Accessibility:
Easy to follow for basic mechanical skills, also valuable for informed communication with technicians.
Covered Models:
Audi A6 (Typ 4B), Audi S6 (Typ 4B), Audi RS6 (Typ 4B)
Covered Model Years:
1998, 1999, 2000, 2001, 2002, 2003, 2004
Estimated Page Count:
Thousands (Comprehensive)
Type:
Service Repair Workshop Manual
Primary Language:
English
Printability:
Yes, individual pages printable
Compatibility:
Windows and Mac OS
Software Requirements:
Adobe PDF Reader
Powertrain:
Engine Mechanical, Engine Electrical, Emission Control, Fuel System, Clutch System, Manual Transaxle System, Automatic Transaxle System, Driveshaft and Axle
Chassis:
Suspension System, Steering System, Brake System
Body And Interior:
Body (Interior and Exterior), Restraint System, Heating, Ventilation, Air Conditioning (HVAC)
Electrical:
Body Electrical System, Wiring Schematics
General Information:
Vehicle identification, general specifications, jacking points, towing, maintenance schedules.
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections
Repair:
Step-by-step repair instructions for all major components and systems
Diagnostics:
Troubleshooting procedures, diagnostic fault codes interpretation
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures for all offered engine variants.
Transmission Rebuild:
Detailed procedures for rebuilding both manual and automatic transaxles, including torque specifications and component replacement.
Electrical Diagnostics:
Comprehensive wiring schematics for all electrical systems, including diagnostic flowcharts for troubleshooting electrical faults.
Scope:
Covers all aspects from basic maintenance to complex repairs and diagnostics, identical to dealer-level technician manuals
A6 Engines Offered:
2.4L V6 (AGA, ALF, AML, APS, ARJ), 2.7L V6 Bi-Turbo (APB, AJK), 2.8L V6 (ACK, AHL, AMX, APR, AQD, AZX), 4.2L V8 (BBD)
S6 Engines Offered:
2.7L V6 Bi-Turbo (APB, AJK)
Rs6 Engines Offered:
4.2L V8 Bi-Turbo (BAS, BCY)
Hp Range:
150 HP (2.4L) to 450 HP (RS6)
Torque Range:
210 Nm (2.4L) to 560 Nm (RS6)
Induction Type:
Naturally Aspirated and Bi-Turbocharged (depending on model)
Fuel Delivery:
Electronic Fuel Injection (EFI)
ECU:
Bosch Motronic (various versions depending on engine and year)
Manual Options:
5-speed Manual (for 2.4L, 2.8L), 6-speed Manual (for V8, RS6)
Automatic Options:
Tiptronic Automatic (5-speed for V6, 5-speed Tiptronic for V8, 5-speed Tiptronic for RS6)
Drivetrain:
Quattro All-Wheel Drive (Standard on S6 and RS6, Optional on A6)
NHTSA Front Impact:
4-star (for 2003 A6)
Airbags:
Frontal, Side, and Optional Head Airbags
Braking Systems:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Stability Control:
Electronic Stability Program (ESP) / Anti-Slip Regulation (ASR)
Audio Systems:
Factory AM/FM/CD players, optional Audi Symphony and Bose sound systems.
Navigation:
Optional Audi Navigation System (RDS).
Cruise Control:
Standard cruise control.
Parking Sensors:
Optional parking assist sensors (front and rear).
Phone Integration:
Optional integrated hands-free telephone preparation (often with Bluetooth in later years).
Oil Change Interval:
Typically 7,500 to 10,000 miles or 12 months, depending on driving conditions and oil specification (refer to manual for precise intervals based on year/engine).
Timing Belt Replacement:
For V6 engines (non-V8), typically every 60,000 to 105,000 miles or 5-7 years. V8 engines utilize a timing chain system.
Engine Oil Type:
Synthetic, e.g., SAE 0W-40 or 5W-40, meeting VW 502 00 / 505 00 specifications (refer to manual for exact grade).
Transmission Fluid Manual:
GL-4 or GL-5 gear oil, viscosity dependent on temperature (refer to manual).
Transmission Fluid Automatic:
G 052 162 A2 or equivalent ATF (e.g., Pentosin ATF1).
Coolant Type:
G12 or G12+ (pink/red) ethylene glycol based coolant.
Ignition Coils:
Common failure point, especially on 2.7T and 4.2L engines.
Window Regulators:
Can fail over time, leading to windows not operating.
Oil Leaks:
Common leaks from valve cover gaskets, oil pan gaskets, and oil cooler seals.
Exhaust Manifold Cracks:
Especially prevalent on 4.2L V8 engines due to heat cycling.
ABS Sensor Failure:
Wheel speed sensors for ABS/ESP can fail.
Manufacturer Legacy:
Audi, known for premium automobiles, quattro all-wheel drive, and advanced engineering.
C5 Generation Context:
The C5 generation represented a significant step in Audi's design and technology, evolving from the popular C4. Introduced in 1997 for the 1998 model year, it featured a more aerodynamic and flowing design.
Performance Variants:
The S6 and RS6 models were introduced to cater to performance enthusiasts, showcasing Audi's capabilities in high-performance engineering, particularly with the bi-turbo V8 powertrain in the RS6.
Manufacturing Locations:
Germany (primarily Neckarsulm Plant)
Car And Driver 10Best:
A6 models (particularly V6 and 2.7T) were frequently recognized on Car and Driver's 10Best lists during its production run for their balance of luxury, performance, and value.
Jd Power Dependability:
Early C5 models had mixed reliability ratings, but later models showed improvement. The manual addresses common issues to help owners maintain dependability.
