Target Audience:
Audi S6 C5 owners seeking to perform their own maintenance and repairs, independent repair shops, automotive technicians.
Value Proposition:
Provides factory-level repair information at a fraction of the cost of dealership services, empowering owners with knowledge and capability.
Content Format:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications.
Accuracy:
Vehicle-specific information, not generic, mirroring dealership technician resources.
Accessibility:
Digital format for easy viewing and printing on multiple devices.
Engine Mechanical:
Complete overhaul, timing belt/chain, cylinder head, block, pistons, crankshaft, lubrication system, cooling system
Engine Electrical:
Ignition system, starting and charging system, ECU, sensors, wiring diagrams
Emission Control:
Catalytic converter, EGR system, evaporative emission control (EVAP)
Fuel System:
Fuel injection, fuel pump, injectors, fuel filter, fuel pressure regulator
Clutch:
Clutch operation, hydraulic system, clutch disc, pressure plate, release bearing
Manual Transaxle:
Gearbox removal and installation, internal components, lubrication
Automatic Transaxle:
Transmission identification, removal and installation, internal components, torque converter, electronic control unit (TCU), fluid service
Driveshaft And Axles:
CV joints, drive shafts, differential service
Suspension System:
Front and rear suspension components, springs, shock absorbers, control arms, alignment specifications
Steering System:
Power steering system, steering rack, tie rods, steering column
Restraint System:
Airbag system, seat belts, SRS module
Brake System:
Brake hydraulics, ABS system, brake pads, rotors, calipers, bleeding procedures
Body Interior Exterior:
Body panel removal and installation, doors, windows, trim, seats, interior components
Body Electrical System:
Lighting, power windows, central locking, alarm system, dashboard instruments, audio system, wiring diagrams
HVAC System:
Air conditioning, heating, ventilation, climate control unit, blower motor, refrigerant service
Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspection
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting guides, fault code interpretation
Repair:
Step-by-step repair procedures for all major systems, component replacement, rebuilds
Diagnostics:
Detailed diagnostic procedures for electronic control units (ECUs), sensors, and actuators
Installation:
Procedures for installing new or replacement parts
Depth:
Comprehensive: Covers everything from basic preventative maintenance to complex engine and transmission rebuilds, including detailed electrical diagnostics.
User Level:
Suitable for professional mechanics and technically inclined DIY owners.
NHTSA Ratings:
Not specifically rated by NHTSA for this model year in all categories, but generally reflects contemporary Audi safety standards.
ABS:
Yes, Anti-lock Braking System
Esp:
Yes, Electronic Stability Program (later models may refer to ESP, earlier may be called ABS Plus or similar)
Airbags:
Front airbags for driver and passenger, side airbags (optional/standard depending on trim)
Seatbelts:
Three-point seatbelts with pretensioners, rear center seatbelt
Oil Change Interval:
Typically 15,000 km (9,300 miles) or 1 year, whichever comes first (refer to manual for exact specifications based on oil type).
Timing Belt Replacement:
Around 90,000 - 120,000 km (56,000 - 75,000 miles). This is a critical maintenance item for the V8 engine and should be performed strictly according to schedule.
Engine Oil:
SAE 5W-40 or 0W-40 Synthetic, API SJ/SL, ACEA A3/B4 (Consult manual for specific VW/Audi approvals like VW 502.00/505.00).
Coolant:
G12 (Purple) or G12+ (Pink) ethylene glycol-based coolant, mixed 50/50 with distilled water.
Automatic Transmission Fluid:
G 052 162 A1 or equivalent ATF specification for the ZF 5HP24 transmission (check manual for exact spec).
Manual Transmission Fluid:
GL-4 or GL-5 gear oil with specified viscosity (e.g., SAE 75W-90). Consult manual for precise specification and capacity.
Power Steering Fluid:
G 004 000 M2 or Pentosin CHF 11S (Green) hydraulic fluid.
Coil Packs:
Ignition coil pack failure can lead to misfires and rough running.
Mass Air Flow Sensor:
MAFS can become dirty or fail, affecting air-fuel mixture and performance.
ABS Speed Sensors:
ABS warning lights can indicate faulty wheel speed sensors.
Oil Leaks:
Valve cover gaskets, oil pan gaskets, and crankshaft seals are common sources of oil leaks on the V8 engine.
Suspension Components:
Wear on control arm bushings, ball joints, and tie rod ends due to age and mileage.