Vehicle Segment:
Premium compact executive car.
Competitors 2005:
BMW 3 Series (E46/E90), Mercedes-Benz C-Class (W203), Lexus IS.
Audi Strengths:
Quattro all-wheel drive, refined interior, strong performance in S4 variant.
Manual Value Proposition:
Provides comprehensive factory-level repair and maintenance information in a digital format, saving costs compared to physical manuals or dealership services.
Delivery Method:
Instant email delivery, eliminating shipping delays and costs.
Sections Covered:
Lubrication & Maintenance, Suspension, Brakes, Cooling System, Electrical System, Engine, Fuel System, Exhaust System, Transmission, Heating and Air Conditioning, Emission Control Systems, Body, Wiring Diagrams
Estimated Pages:
Extensive (implied by factory shop manual similarity)
Type:
Workshop Service / Repair Manual
Engine:
Detailed service, repair, troubleshooting, and overhaul procedures for all engine variants.
Transmission:
Service and repair of manual and automatic transmissions, including torque converter, clutch, and gearbox.
Brakes:
Inspection, maintenance, repair, and bleeding of braking systems, including ABS and EBD.
Suspension:
Front and rear suspension components, alignment, shock absorbers, struts, and steering linkage.
Electrical System:
Comprehensive coverage of the entire electrical system, including starter, alternator, battery, lighting, and accessories.
Fuel System:
Fuel pump, injectors, fuel lines, fuel filter replacement, and fuel pressure testing.
Cooling System:
Radiator, water pump, thermostat, hoses, and coolant capacity and specifications.
Exhaust System:
Catalytic converter, mufflers, exhaust pipes, and emissions control.
HVAC:
Heating, ventilation, and air conditioning system diagnosis, repair, and refrigerant handling.
Emission Control:
Diagnosis and repair of emission control systems, including EVAP and secondary air injection.
Body:
Body panel repair, door mechanisms, glass replacement, and interior trim.
Wiring Diagrams:
Detailed electrical wiring diagrams for all vehicle systems.
Maintenance:
Scheduled maintenance intervals, fluid changes, filter replacements, and inspections.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common and uncommon faults.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation.
Rebuilding:
Comprehensive procedures for engine, transmission, and component overhauls.
Depth:
Factory-level detail, suitable for professional technicians and experienced DIY enthusiasts.
Diagnostics:
Advanced diagnostic procedures, including OBD-II code interpretation and sensor testing.
Searchability:
Likely searchable due to PDF format, enabling quick access to information.
Print Capability:
Printable in full or by section, allowing for convenient use in a workshop environment.
Visuals:
Includes numerous pictures and diagrams to illustrate procedures.
Binding:
N/A (Digital Format)
Paper Quality:
N/A (Digital Format, user-printable on desired paper)
A4 Engine Options:
2.0L TFSI (BGB, BPG, BWE, BWT), 3.0L V6 (ASN, AVK), 4.2L V8 (BBK - S4 only).
S4 Engine:
4.2L V8 FSI (Naturally Aspirated)
S4 Horsepower:
340 hp @ 7000 rpm
S4 Torque:
302 lb-ft (410 Nm) @ 3500 rpm
Engine Codes Covered:
Likely includes common A4 engine codes (e.g., BGB, BPG, ASN) and the S4 specific BBK.
Fuel Injection:
Multi-point fuel injection (MPI) for most A4 engines, Direct Fuel Injection (FSI) for V8 S4.
Spark Plugs:
Specific spark plug types and torque specifications provided.
Timing Belt Chain:
Details on timing belt (if applicable to specific A4 engines) or timing chain maintenance for V8.
A4 Transmission Options:
6-speed manual, Tiptronic 6-speed automatic.
S4 Transmission Options:
6-speed manual, Tiptronic 6-speed automatic.
Drivetrain:
Quattro all-wheel drive standard on S4, optional on A4 variants.
Transmission Fluid:
Specifications and capacities for manual and automatic transmission fluids.
Clutch Replacement:
Procedures for clutch inspection, replacement, and flywheel servicing.
Wheelbase:
Approximately 104.3 inches (2649 mm)
Length:
Approximately 178.4 inches (4531 mm)
Width:
Approximately 69.4 inches (1763 mm)
Height:
Approximately 55.4 inches (1407 mm)
Curb Weight S4:
Approximately 3,858 lbs (1750 kg) for manual transmission
Towing Capacity:
Not typically specified for this vehicle class, but manual would detail if applicable.
NHTSA Ratings 2005:
Likely good ratings, as the B6 platform generally performed well in crash tests.
IIHS Ratings 2005:
Refer to IIHS archives for specific 2005 model year ratings.
ABS:
Standard Anti-lock Braking System.
Esc:
Electronic Stability Control (ESP) standard.
AWD:
Quattro all-wheel drive enhances traction and stability.
Airbags:
Front, side, and optional curtain airbags.
Seatbelts:
Front and rear seatbelt systems with pretensioners.
Oil Change Interval:
Typically 5,000-7,500 miles (8,000-12,000 km) or annually, depending on driving conditions and oil type used. Manual will specify exact intervals and oil quality.
Timing Belt Replacement Interval:
For applicable A4 engines, consult manual for specific mileage/time interval (e.g., 70,000-100,000 miles).
Brake Fluid Flush:
Recommended every 2 years. Manual will specify fluid type (e.g., DOT 4).
Engine Oil Type:
Likely synthetic, e.g., SAE 5W-40 or 0W-40 meeting VW 502 00 specification. Manual is definitive.
Coolant Type:
Ethylene glycol based, G12 or G12+ coolant. Manual specifies exact type and ratio.
Transmission Fluid Manual:
Specific gear oil viscosity (e.g., SAE 75W-90 GL-4 or GL-5). Manual is definitive.
Transmission Fluid Automatic:
Specialized ATF fluid (e.g., G 052 162 A1/A2 for Tiptronic). Manual is definitive.
Coil Packs:
Ignition coil failures are a known issue on many VW/Audi models of this era.
Pcv Valve System:
Clogged Positive Crankcase Ventilation (PCV) system can lead to oil leaks and rough running.
Oil Leaks:
Leaking valve cover gaskets or oil pan gaskets are common.
Timing Chain Tensioners:
For models with timing chains (like the 3.0L V6), tensioner issues can arise, though less common than in later generations.
Audi History:
Audi AG, a German luxury automobile manufacturer, known for its engineering and Quattro all-wheel-drive system.
A4 B6 Generation:
The B6 generation (2001-2006) introduced a more modern design language and platform for the A4.
S4 B6 Positioning:
The S4 was the high-performance variant of the B6 A4, distinguishing itself with a powerful V8 engine and sport-tuned chassis.
Manufacturing Location:
Primary manufacturing in Ingolstadt, Germany.
Audi Awards General:
Audi models frequently receive awards for design, performance, and luxury.
Vehicle Performance Awards:
The S4 variant, particularly for its V8 engine and Quattro system, was often praised for its performance credentials.
Reliability Ratings:
Reliability can vary by specific engine and maintenance history. The manual is key to proper upkeep.