Segment:
Executive Sedan/Wagon (A6), Performance Sedan/Wagon (S6, RS6)
Competitors 2002:
BMW 5 Series, Mercedes-Benz E-Class, Lexus GS Series, Jaguar S-Type
Platform:
Volkswagen Group MLB platform (Type 4B)
Drivetrain:
Front-wheel drive and Audi's signature quattro all-wheel drive.
Design Philosophy:
Refined styling, luxury interior, and advanced technology for its era.
Manual Value Proposition:
Provides comprehensive, factory-level repair and maintenance information for enthusiasts and professional technicians.
Mechanical Engine:
Detailed repair, diagnostics, and specifications for all engine variants.
Transmission:
Repair and maintenance for automatic and manual transmissions.
Driveline Axle:
Front and rear axle, differential, and driveshaft service.
Brakes:
Hydraulic system, ABS, brake pads, rotors, calipers, and parking brake.
Steering:
Power steering system, steering rack, and column service.
Suspension:
Front and rear suspension, shock absorbers, springs, and control arms.
Electrical:
Comprehensive coverage of all electrical systems, including ECUs, sensors, and actuators.
Lights:
Headlights, taillights, interior lighting, and associated circuits.
Restraints:
Airbag system, seatbelts, and SRS module diagnostics and service.
Body Frame Interior Exterior:
Body panel repair, interior trim, seats, and exterior components.
HVAC:
Heating, ventilation, and air conditioning system service and repair.
Audio Visual Telematics:
Infotainment, navigation, and audio system troubleshooting and repair.
Tires Wheels:
Tire pressure monitoring, wheel alignment, and mounting.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, and lubrication.
Diagnostics:
Troubleshooting guides, fault code explanations, and diagnostic procedures for all systems.
Repair:
Step-by-step repair instructions for virtually every component and system.
Overhaul:
Complete engine, transmission, and component overhaul procedures.
Installation:
Guidance on installation and replacement of various parts and accessories.
Wiring Diagrams:
Detailed electrical wiring schematics for all vehicle systems.
Depth:
Full factory specifications, procedures, and diagnostic information.
A6 2.7T Engine Code:
AP B
A6 2.7T Displacement:
2.7 Liters
A6 2.7T Configuration:
2.7L V6 Twin-Turbocharged
A6 2.7T Horsepower:
250 hp @ 5800 rpm
A6 2.7T Torque:
258 lb-ft @ 1800-4000 rpm
S6 4.2 Engine Code:
AAY (some markets), ANK
S6 4.2 Displacement:
4.2 Liters
S6 4.2 Configuration:
4.2L V8 Naturally Aspirated
S6 4.2 Horsepower:
340 hp @ 6600 rpm
S6 4.2 Torque:
317 lb-ft @ 3400 rpm
Rs6 4.2T Engine Code:
BCY
Rs6 4.2T Displacement:
4.2 Liters
Rs6 4.2T Configuration:
4.2L V8 Twin-Turbocharged
Rs6 4.2T Horsepower:
450 hp @ 5700-6400 rpm
Rs6 4.2T Torque:
414 lb-ft @ 1950-5600 rpm
Fuel Delivery:
Multi-point Fuel Injection (MPI) / Bosch Motronic ECU
Emission Controls:
Catalytic converters, secondary air injection, evaporative emission control (EVAP).
A6 Transmission Type:
5-speed Tiptronic automatic (FWD), 5-speed Tiptronic automatic (quattro), 6-speed manual (quattro).
S6 Transmission Type:
5-speed Tiptronic automatic (quattro), 6-speed manual (quattro).
Rs6 Transmission Type:
5-speed Tiptronic automatic (quattro) - standard.
Quattro System:
Torsen center differential (asymmetrical dynamic torque distribution).
Transmission Fluid Type Auto:
G 052 162 A2 (or equivalent ATF specifications).
Transmission Fluid Type Manual:
G 052 171 A2 (or equivalent gear oil specifications).
Wheelbase:
Approx. 2815 mm (110.8 in)
Length:
Approx. 4813 mm (189.5 in) (A6 Sedan), 4852 mm (191.0 in) (A6 Avant)
Curb Weight A6:
Approx. 1550-1700 kg (3417-3748 lbs) depending on configuration.
Curb Weight S6:
Approx. 1780 kg (3924 lbs)
Curb Weight Rs6:
Approx. 1865 kg (4112 lbs)
NHTSA Front Impact Driver:
Good (as per 2002 era testing, specific ratings may vary)
NHTSA Front Impact Passenger:
Good (as per 2002 era testing, specific ratings may vary)
ABS:
Standard Anti-lock Braking System (ABS) with EBD.
Esc:
Electronic Stability Control (ESC) / Program (ESP) often standard or optional.
Airbags:
Front airbags, side airbags, optional front and rear head curtain airbags.
Seatbelts:
Pretensioning seatbelts with force limiters.
Oil Change Interval:
Typically 10,000 miles (16,000 km) or 1 year, whichever comes first (refer to specific model year/engine in manual).
Timing Belt Replacement:
For 2.7T and 4.2L V8 engines, typically 60,000-70,000 miles or 5 years. Crucial for these engines; manual will detail procedure and part numbers.
Engine Oil Type 2.7T:
Synthetic 5W-40, API SJ, ACEA A3/B3 (e.g., VW 502 00).
Engine Oil Type 4.2:
Synthetic 0W-40 or 5W-40, API SJ, ACEA A3/B3 (e.g., VW 502 00).
Coolant Type:
G12 or G12+ ethylene glycol coolant (e.g., VW TL 774-F).
2.7T Common Problems:
PCV system failures, ignition coil failures, vacuum leaks, turbocharger issues, oil sludge.
4.2 Common Problems:
Cam tensioner wear (especially on early 4.2L V8s), oil leaks, ignition coil failures.
General Common Problems:
Window regulator failures, climate control module issues, Quattro system maintenance, suspension component wear.
Audi Philosophy:
Known for quattro all-wheel drive, technological innovation, and premium build quality.
Generation:
Second generation (Typ 4B) of the Audi A6, introduced in 1997 (facelift in 2001).
S6 Evolution:
Successor to the Audi S4 (C4), positioning as a sportier variant of the A6.
Rs6 Evolution:
First generation of the RS6, Audi's high-performance flagship model, built in limited numbers.
Production Era:
2002 model year represents the facelifted second generation (Typ 4B).
