🏷️ Basic Information Identification Make: Audi Model: TT Year: 2004 Chassis Code: 8N Product Type: Service and Repair Manual 👋 Introduction Market Position Segment: Compact sports car / premium compact Target Demographic: Enthusiasts seeking stylish design, performance, and premium German engineering Competitive Analysis Key Competitors: BMW Z3/Z4, Porsche Boxster, Mercedes-Benz SLK, Nissan 350Z, Mazda RX-8 Key Features Design Philosophy: Timeless, Bauhaus-inspired design; compact, muscular stance Performance Orientation: Focus on driving dynamics, handling, and potent turbocharged engines Manual Value Proposition Dealership Equivalence: Provides the same authoritative information used by authorized Audi service centers Diy Enablement: Empowers owners to perform complex maintenance and repairs themselves, saving costs 📋 Manual Details Coverage Areas Primary Coverage: All models and all repairs A-Z Target Audience: Dealership technicians Data Accuracy: Vehicle-specific, not generic Page Count Estimated Pages: Variable (typically 800-1500+ pages for comprehensive manuals, actual number not specified but implied to be extensive) Manual Type Type: Factory Service Manual (FSM) Language Language: English (assumed based on typical market availability) Format Format: Digital (likely PDF, as common for modern service manuals) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine management, fuel system, exhaust system, cooling system, lubrication system, starting and charging system Drivetrain: Manual transmission, automatic transmission (if applicable), driveline components (axles, CV joints), clutch system Chassis: Suspension (front and rear), steering system, brake system (hydraulic, ABS, EBD), wheels and tires Electrical: Body electrical systems, lighting, instrumentation, power accessories, infotainment system, anti-theft system, wiring diagrams Body And Frame: Body panels, interior trim, exterior trim, glass, doors, hinges, latches, structural components Procedures Included Maintenance: Scheduled maintenance intervals, fluid changes, filter replacements, inspections Repair And Rebuild: Component disassembly, inspection, repair, and reassembly for all major systems Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, testing procedures Adjustments: Wheel alignment, headlight aiming, parking brake adjustment Calibration: Electronic control unit (ECU) programming, sensor calibration (e.g., steering angle sensor) Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Detail Level: Detailed step-by-step instructions, torque specifications, special tool requirements, diagnostic flowcharts 📊 Manual Specifications File Format Type: PDF (Portable Document Format) Searchability: Likely text-searchable, allowing quick access to specific topics Print Quality Quality: High-resolution scans or original digital files, ensuring clarity of diagrams and text Binding Type Type: N/A (Digital format) Paper Type Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: AEB, APU, ARK, AWP (for 1.8T), BAM (for 225hp 1.8T) Configuration: Inline 4-cylinder, turbocharged, 20-valve (5 valves per cylinder) Displacement: 1.8 liters (1781 cc) Bore X Stroke: 81.0 mm x 86.4 mm Performance Horsepower 180Hp Variant: 180 PS (178 bhp / 132 kW) at 5500 rpm Torque 180Hp Variant: 235 Nm (173 lb-ft) between 1950-5000 rpm Horsepower 225Hp Variant: 225 PS (222 bhp / 165 kW) at 5900 rpm Torque 225Hp Variant: 280 Nm (207 lb-ft) between 1950-5000 rpm Fuel System Induction: Electronic multi-point fuel injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU: Bosch Motronic ME 7.5 (typical) 🔧 Transmission Standard Type: 6-speed manual transmission Optional Type: Direct-shift gearbox (DSG) / S tronic (optional on some models/markets) Features Drivetrain: Quattro all-wheel drive (standard on 225hp models, optional on 180hp models) Fluid Specification Manual Transmission Fluid: G 052 171 A1 (or equivalent GL-4 75W-90) AWD Differential Fluid: G 055 145 A2 (or equivalent GL-5 75W-90) 📐 Dimensions Exterior Body Styles: 2-door Coupe, 2-door Roadster (convertible) Length Coupe: 4040 mm (159.1 inches) Width Coupe: 1775 mm (69.9 inches) Height Coupe: 1340 mm (52.8 inches) Wheelbase Coupe: 2512 mm (98.9 inches) Length Roadster: 4040 mm (159.1 inches) Width Roadster: 1775 mm (69.9 inches) Height Roadster: 1375 mm (54.1 inches) Wheelbase Roadster: 2512 mm (98.9 inches) Weights Curb Weight Approx 180Hp Coupe FWD: 1350 kg (2976 lbs) Curb Weight Approx 225Hp Coupe Quattro: 1470 kg (3241 lbs) Wheel Bolt Pattern: 5x112 Center Bore: 57.1 mm 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (driver and passenger) IIHS Side Impact: Good (for models with side airbags) Active Features Braking: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Stability Control: Electronic Stability Program (ESP) / Traction Control System (TCS) Passive Features Airbags: Driver and front passenger airbags, optional side airbags Rollover Protection: Pop-up rollover protection bars (standard on Roadster) 💡 Technology Features Infotainment Head Unit: Audi Chorus or Concert (AM/FM, CD player, optional navigation) Audio System: Standard 8-speaker system, optional Bose premium audio Driver Assistance Cruise Control: Standard on most models Parking Sensors: Optional rear parking sensors Connectivity Cell Phone Integration: Optional Bluetooth preparation with cradle/phone interface Other Features Lighting: Bi-xenon headlights (optional), LED taillights (facelift models) 🔧 Maintenance Service Intervals Oil Change Interval: 15,000 km (9,375 miles) or 12 months, whichever comes first (typical Audi LongLife schedule) Timing Belt Interval: 100,000 km (60,000 miles) or 5 years (for 1.8T engines, critical replacement item) Spark Plug Interval: 60,000 km (37,500 miles)...