🏷️ Basic Information Identification Make: Audi Model: A4 Year: 2008 Codes Chassis Code: B8 Generation Generation: Fourth Generation (B8) 👋 Introduction Market Position Segment: Premium Mid-size Sedan/Avant (Wagon) Target Audience: Audi owners, independent repair shops, automotive technicians specializing in European vehicles Competitive Analysis Key Competitors: BMW 3 Series, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Vehicle Design Philosophy: Audi's 'Vorsprung durch Technik' (Advancement through Technology) ethos, emphasizing sophisticated engineering, premium interior, and advanced driver assistance features. Manual Value Proposition: Provides in-depth, factory-level technical information for diagnosing and repairing complex electrical issues, crucial for maintaining the advanced systems of the 2008 Audi A4. 📋 Manual Details Coverage Areas Primary Coverage: Electrical System and Diagnostics Secondary Coverage: Component testing, Wiring diagrams, Troubleshooting guides Page Count Estimated Page Count: 1500-2500 (typical for comprehensive electrical manuals of this era) Manual Type Type: Electrical Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Electrical Systems: Engine Control Unit (ECU), Powertrain Control Module (PCM), Body Control Module (BCM), Infotainment System, Climate Control, Lighting (Exterior & Interior), Power Windows, Power Locks, Central Locking, Seat Adjustment, Mirror Controls, Wiper & Washer System, Horn, Audio System, Navigation System, Instrument Cluster, SRS (Airbag) System, ABS/ESP System, Immobilizer System, Keyless Entry & Start, Parking Assist, Cruise Control, Tire Pressure Monitoring System (TPMS), Fuel Pump Control, Cooling Fan Control Procedures Included Diagnostic Procedures: Troubleshooting symptom-based diagnostics, Fault code interpretation, Component testing procedures, Signal tracing, Voltage and resistance measurements, Diagnostic Trouble Code (DTC) clearing and verification Repair Procedures: Component replacement (sensors, actuators, control modules), Wiring harness repair (splice points, connector servicing), Fuse and relay identification and replacement, Battery and charging system servicing, Ground point identification and cleaning Wiring Diagrams: Comprehensive wiring schematics for all electrical systems, Connector pin-out diagrams, Component location diagrams for electrical parts, Wire color coding and gauge information Technical Depth Depth: Advanced diagnostic and repair, including detailed component-level testing, signal analysis, and software/coding related procedures (where applicable to electrical function) 📊 Manual Specifications File Format Searchability: Likely searchable text due to PDF format, allowing for quick access to specific terms and components Image Quality: High-resolution images and graphics recommended for clarity, as stated in the product description Print Quality Printability: Designed to be printable, allowing users to have hard copies for workshop use Binding Type Binding Type: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code Common: 2.0 TFSI (e.g., CDNB, CAEB) Engine Type: Inline-4 Cylinder, Turbocharged, Direct Injection (FSI) Engine Displacement Common: 1984 cc (2.0 Liters) Performance Common Horsepower Common: 200-211 PS (approx. 197-208 bhp) Torque Common: 280-300 Nm (approx. 207-221 lb-ft) Fuel System Fuel Delivery: Direct Fuel Injection (FSI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher) Engine Management ECU Type Common: Bosch Motronic MED 17.5 (or similar variants) 🔧 Transmission Standard Awd AWD System: Quattro Permanent All-Wheel Drive Standard Transmission Type Transmission Type Common: 6-Speed Manual or 6-Speed Tiptronic Automatic (with paddle shifters on some models) Transmission Features Tiptronic Functionality: Allows manual gear selection via shift lever or steering wheel mounted paddles Transmission Fluid Automatic Transmission Fluid Spec: G 055 005 A1/A2/A6 (or approved equivalent for ATF) / Manual Gearbox Oil: G 052 171 A2 (or approved equivalent) 📐 Dimensions Exterior Sedan Length: 4703 mm (185.1 in) Width: 1811 mm (71.3 in) Height: 1427 mm (56.2 in) Wheelbase: 2808 mm (110.6 in) Exterior Avant Length: 4703 mm (185.1 in) Width: 1811 mm (71.3 in) Height: 1438 mm (56.6 in) Weights Common Curb Weight Approx: 1500-1650 kg (3307-3638 lbs) depending on configuration Gross Vehicle Weight Rating Approx: 2000-2150 kg (4409-4740 lbs) 🛡️ Safety Features Ratings NHTSA Ratings: Generally Good, with 5-star ratings in side impact and good ratings in frontal impact for the B8 generation (verify specific test data for 2008 model year) IIHS Ratings: Top Safety Pick for the B8 generation Active Features Electronic Stability Control: Standard (ESP - Electronic Stabilization Program) Anti Lock Braking System: Standard (ABS with Electronic Brake-force Distribution - EBD, and Brake Assist) Traction Control: Standard (ASR - Anti-Slip Regulation) Passive Features Airbags: Frontal airbags for driver and passenger, front side airbags, and side curtain airbags (front and rear) Seatbelts: 3-point inertia-reel seatbelts with pre-tensioners and belt force limiters Child Seat Anchors: ISOFIX (Lower Anchor and Top Tether) preparation 💡 Technology Features Infotainment Mmi System: Multi Media Interface (MMI) – Control for infotainment, navigation, climate, and vehicle settings. Available with various screen sizes and functionalities. Audio Options: Standard Audi Sound System, optional Bang & Olufsen sound system Navigation: Optional factory navigation system, typically integrated with MMI. Driver Assistance Parking Assist: Optional Audi parking system (front and rear acoustic and visual parking sensors), optional rearview camera. Adaptive Cruise Control: Optional ACC (Adaptive Cruise Control) on some models. Keyless Entry: Optional advanced key (keyless entry and...