Market Segment:
Premium mid-size sedan and performance sedan.
Performance Focus S6:
The S6 model represents the high-performance variant, featuring a more powerful V8 engine and enhanced chassis dynamics.
Competitors:
BMW 5 Series (E39, E60), Mercedes-Benz E-Class (W210, W211), Lexus GS.
Manual Value Proposition:
Enables identification of exact OEM part numbers for accurate sourcing and cost savings on repairs and maintenance.
Vehicle Appeal:
Known for refined interiors, strong performance (especially S6), advanced technology for its era, and available Quattro all-wheel drive.
Manual Description Highlight:
Illustrated with Exploded Parts Diagrams for clear part identification and visualization.
Engine Components:
Engine block, cylinder heads, pistons, crankshaft, camshafts, valvetrain, timing components, oil pump, water pump, intake manifold, exhaust manifold, cooling system, fuel delivery system (injectors, fuel pump, lines), emissions control components.
Transmission Drivetrain:
Manual transmission (5-speed, 6-speed), Automatic transmission (Tiptronic 5-speed, 6-speed), clutch assembly, drive shafts, CV joints, differential, axles, Quattro all-wheel-drive system components.
Suspension Steering:
Front suspension (control arms, ball joints, strut assembly, sway bar), Rear suspension (multi-link, control arms, shock absorbers, springs), steering rack, power steering pump, steering column, wheel bearings.
Braking System:
Front brakes (calipers, rotors, pads), Rear brakes (calipers, rotors, pads), ABS components, brake master cylinder, brake lines, parking brake mechanism.
Electrical System:
Alternator, starter motor, battery, ignition system, lighting (headlights, taillights, interior lights), wiring harnesses, fuses, relays, sensors (engine, ABS, etc.), ECUs, comfort electronics (windows, mirrors, seats), audio system components.
Body Exterior:
Body panels (hood, fenders, doors, trunk lid), bumpers, grille, mirrors, windows, sunroof, door handles, locks, seals, body trim, headlights, taillights, emblems.
Body Interior:
Dashboard, instrument cluster, steering wheel, seats, seat belts, door panels, interior trim, carpeting, headliner, climate control components (HVAC), airbag system components.
Fuel System Components:
Fuel tank, fuel pump, fuel filter, fuel lines, fuel injectors, pressure regulator.
Cooling System Components:
Radiator, radiator hoses, coolant expansion tank, thermostat, cooling fan, coolant temperature sensors.
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, exhaust pipes, hangers, clamps.
Climate Control:
HVAC unit, blower motor, evaporator, condenser, heater core, refrigerant lines, control panels, actuators.
Disassembly Assembly:
Detailed exploded parts diagrams showing the order and arrangement of components for disassembly and reassembly.
Part Identification:
Identification of all genuine Audi replacement parts with their corresponding OEM part numbers.
Technical Depth:
Intermediate to Advanced - primarily focused on part identification and visualization for repair and replacement, not detailed repair procedures.
Part Number Listing:
All part numbers are listed within their respective sections for precise ordering.
Engine Options A6:
2.8L V6 (AFB, ACK, AHL, AMX, APR, AQD, ATQ, AWN, BBD), 2.7L V6 Twin-Turbo (ARE, BES), 4.2L V8 (ASS, AUW, BBD, BDN, BFM, CGLA)
Engine Options S6:
4.2L V8 (ASS, AUW, BBD, BDN, BFM)
Horsepower Range:
Approx. 190 hp (2.8L V6) to 340 hp (4.2L V8 in S6)
Torque Range:
Approx. 207 lb-ft (2.8L V6) to 315 lb-ft (4.2L V8 in S6)
Fuel Delivery:
Multi-point fuel injection (MPI) or Electronic Fuel Injection (EFI).
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
2.7T V6 Twin-Turbo (Bes):
250 hp @ 5800 rpm, 258 lb-ft @ 1800 rpm. Commonly found in later models.
4.2L V8 (Ass/Auw/Bfm):
340 hp @ 6600 rpm, 317 lb-ft @ 3200 rpm. Standard in the S6, optional in late A6.
Oil Change Interval Gasoline:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type (check owner's manual/service history for exact intervals).
Timing Belt Replacement:
For V6 and V8 engines, timing belt replacement is critical, typically every 60,000-100,000 miles or 5-7 years (refer to specific engine code for exact interval).
Engine Oil Specification:
API SJ/SL, ACEA A3/B3 or A3/B4. Viscosity grades commonly 5W-40 or 10W-40, sometimes 0W-40 for colder climates. (Consult manual for specific engine codes and OEM approvals).
Coolant Specification:
G12 (VW TL 774-C) or G12+ (VW TL 774-D) pink/red ethylene glycol based coolant, mixed 50/50 with distilled water.
Automatic Transmission Fluid:
G 052 162 A1 or equivalent for Tiptronic transmissions (specific to transmission code, e.g., 01V, 01P).
Power Steering Fluid:
Pentosin CHF 11S or equivalent (green fluid).
Brake Fluid Specification:
DOT 4.
Manual Transmission Fluid:
G 052 171 A2 or equivalent.
Common Issues A6 S6:
Timing belt failures (if not replaced on schedule), PCV system issues (oil leaks, rough idle), coil-on-plug failures, suspension component wear (control arms, ball joints), water pump leaks, MAF sensor issues, transmission solenoids (Tiptronic), climate control module failures, electrical gremlins.
