Market Segment:
Premium compact hatchback
Brand Philosophy:
Audi's focus on 'Vorsprung durch Technik' (Progress through Technology) is evident in the A2's innovative design and lightweight construction.
Key Competitors:
BMW 1 Series, Mercedes-Benz A-Class, Volkswagen Golf
Aluminum Space Frame:
The A2's signature feature is its advanced aluminum space frame, significantly reducing weight for improved efficiency and dynamics.
Design Philosophy:
Unique, aerodynamic, and spacious interior for its compact footprint.
Completeness:
This is described as the most completed and official, full factory service repair manual, indicating extensive coverage.
Powertrain:
Mechanical Engine, Transmission
Chassis:
Brakes, Driveline Axle, Steering, Suspension, Tires & Wheels
Electrical:
Electrical System, Lights, Restraints
Body & Comfort:
Body & Frame - Interior & Exterior, Accessories & Equipment, Audio, Visual & Telematics, HVAC
Diagnostics:
Wiring Diagrams
Exhaust System:
Coverage of exhaust components, catalytic converter, and emissions control systems.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Repair:
Component removal, installation, overhaul, troubleshooting
Diagnostics:
Fault finding, symptom analysis, diagnostic trouble codes (DTCs)
Technical Specifications:
Torque values, clearances, fluid capacities, electrical data
Troubleshooting Guides:
Detailed diagnostic flowcharts and symptom-based troubleshooting for electrical and mechanical issues.
Depth Of Coverage:
Comprehensive from basic maintenance to advanced mechanical and electrical diagnostics and repair.
Repair Complexity:
Covers everything from routine maintenance to complex component overhauls, including engine rebuilds, transmission repairs, and complete electrical system diagnostics.
Print Quality:
High resolution, suitable for printing individual pages or the entire manual.
File Size Consideration:
A 5681-page PDF will be a substantial file, requiring adequate download time and storage space.
Binding Type:
Digital (PDF)
Paper Type:
Not applicable (digital format)
Search Capability:
Fully searchable PDF content
Engine Options:
The 2004 model year typically included the 1.4L FSI (Fuel Stratified Injection) and 1.6L FSI petrol engines, as well as the 1.4L TDI (Turbocharged Direct Injection) diesel engine. Specific engine codes are vital for detailed information.
Typical Power Output:
Petrol: 1.4 FSI ~90 PS (66 kW), 1.6 FSI ~110 PS (81 kW); Diesel: 1.4 TDI ~90 PS (66 kW). Exact figures vary by specific engine code.
Typical Torque:
Petrol: 1.4 FSI ~130 Nm, 1.6 FSI ~155 Nm; Diesel: 1.4 TDI ~200 Nm. Exact figures vary by specific engine code.
Fuel Delivery Petrol:
Fuel injection, typically multi-point or direct injection (FSI).
Fuel Delivery Diesel:
Common rail direct injection (TDI).
ECU Type:
Engine control unit (ECU) with extensive diagnostic capabilities.
Common Engine Codes:
For 2004 models, common petrol engines might include AUA (1.4L 16V), BBY (1.4L 16V MPI), BAD (1.6 FSI). TDI engines often include AMF (1.4L TDI). Specific codes are crucial for precise data.
Transmission Options:
Manual transmission (typically 5-speed) was common. A continuously variable transmission (Multitronic) was also an option for some engine variants.
Optional Transmission:
Audi Multitronic CVT (Continuously Variable Transmission)
Clutch Type:
Dry single-plate clutch for manual; torque converter for Multitronic.
Manual Gear Ratios:
The manual will contain specific gear ratios for each transmission fitted, essential for performance and diagnostic work.
Length:
Approx. 3,910 mm (153.9 in)
Width:
Approx. 1,670 mm (65.7 in)
Height:
Approx. 1,570 mm (61.8 in)
Wheelbase:
Approx. 2,460 mm (96.9 in)
Curb Weight:
Ranges from approx. 1,050 kg to 1,200 kg depending on engine and equipment, thanks to the aluminum space frame.
Towing Capacity:
Towing capacity information, if applicable and specified by Audi for the A2.
Euro Ncap Rating:
Achieved a 4-star Euro NCAP safety rating, indicating good performance in crash tests.
Braking System:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Stability Control:
Traction Control System (ASR) often standard, Electronic Stability Program (ESP) available on some models.
Lighting Systems:
Details on headlight aiming, bulb replacement, and diagnostics for Xenon or Halogen systems, as well as auxiliary lighting.
Airbags:
Front airbags, side airbags, and optional curtain airbags.
Body Structure:
Designed with a focus on occupant protection, utilizing the aluminum space frame and crumple zones.
Audio System:
Factory fitted Audi Chorus or Concert radio systems, with options for CD players and compatibility with external audio sources.
Navigation:
Optional navigation systems may have been available, integrated into the dashboard.
Speaker Configurations:
Details on speaker types, locations, and wiring for the audio system.
Parking Sensors:
Rear parking sensors were an available option.
Phone Integration:
Provisions for hands-free mobile phone kits may have been factory fitted or optional.
Oil Change Interval:
Typically 15,000 km (9,300 miles) or 12 months, whichever comes first, with specific intervals depending on engine oil type and driving conditions. Consult manual for exact requirements.
Major Service Interval:
Major services often involve timing belt replacement (if applicable to the specific engine), coolant checks, brake inspections, and other component checks at intervals like 90,000 km or 120,000 km. Specifics are detailed in the manual.
Engine Oil Specification:
Varies by engine, but commonly requires VW 502 00 or VW 504 00 compliant synthetic oils (e.g., 5W-30 or 0W-30).
Coolant Specification:
G12 or G12+ (VW TL 774 C/D) type antifreeze, mixed with distilled water.
Brake Fluid Specification:
DOT 4
Transmission Fluid Manual:
API GL-4 or GL-5, SAE 75W-90 or 75W-80 gear oil. Specific part numbers and viscosity grades are critical.
Transmission Fluid Multitronic:
Specific CVT fluid, often requiring VW G 052 180 or similar. Extreme care is needed for correct fluid type and level.
Power Steering Fluid:
Specific hydraulic fluid type required for the power steering system.
Air Conditioning Refrigerant:
Information on the type of refrigerant (e.g., R134a) and the quantity for the HVAC system.
Common Wear Items:
Suspension components (bushings, ball joints), clutch wear (on manual transmissions), exhaust system corrosion, and potential for electrical gremlins due to the complex wiring.
Engine Specific Concerns:
The FSI engines can be sensitive to carbon buildup on intake valves. The 1.4 TDI can be prone to turbocharger issues if not maintained correctly.
Aluminum Body Care:
While lightweight and corrosion-resistant, aluminum body panels require specific repair techniques and materials, which are detailed in the manual.
Paint And Body Care:
Guidance on care and repair of the aluminum body panels and paintwork.
Audi Legacy:
Audi, part of the Volkswagen Group, has a long history of producing innovative and premium vehicles, known for advanced engineering and quality.
Audi A2 Development:
The Audi A2 (Typ 8Z) was a significant departure, showcasing advanced technologies like the aluminum space frame and a focus on efficiency and practicality in a premium compact package.
Production Period:
The first generation Audi A2 was produced from 1999 to 2005. The 2004 model falls within this production run.
Manufacturing Location:
Ingolstadt, Germany
Design Awards:
The Audi A2 received praise for its innovative design and engineering, particularly its lightweight construction, though commercial success was moderate.
Fuel Efficiency Recognition:
The A2 was recognized for its excellent fuel efficiency, especially the TDI models, a key selling point.