🏷️ Basic Information Identification Make: Audi Model: A4 Cabriolet Year: 2004 Codes Chassis Codes: 8H, 8H7, 8HE 👋 Introduction Market Position Vehicle Segment: Premium Compact Executive Convertible Competitive Analysis Key Competitors: BMW 3 Series Convertible, Mercedes-Benz CLK Convertible, Saab 9-3 Convertible, Volvo C70 Key Features Cabriolet Design: Stylish four-seat convertible with a high-quality fabric roof Platform Basis: Based on the B6 platform, sharing components with the Audi A4 sedan and Avant Quality And Refinement: Known for Audi's characteristic build quality, refined interior, and quiet ride for a convertible 📋 Manual Details Coverage Areas Manual Coverage Scope: All models and configurations of the 2004 Audi A4 Cabriolet (8H/8H7/8HE) Page Count Total Pages: 12064 Manual Type Manual Classification: Factory Service and Repair Manual Language Primary Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain Systems: Engine Mechanical, Engine Management, Fuel System, Exhaust System, Transmission (Automatic & Manual), Driveline & Axles, Transfer Case (if applicable) Chassis Systems: Suspension (Front & Rear), Steering System, Brake System (ABS, EBD, etc.), Wheels & Tires Electrical Systems: Body Control Modules (BCM), Lighting (Exterior & Interior), Audio/Visual Systems, Telematics, Restraint Systems (Airbags, Seatbelts), Instrumentation, Power Accessories Body And Frame: Body Structure, Exterior Panels, Interior Trim, Convertible Top Mechanism & Operation, Seals, Glass Comfort And Climate: HVAC System (Heating, Ventilation, Air Conditioning), Climate Control Procedures Included Diagnostic Procedures: Troubleshooting guides, fault code interpretation, diagnostic flowcharts Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, lubrication Repair Procedures: Step-by-step instructions for component removal, installation, and repair Technical Specifications: Torque specifications, fluid capacities, clearances, electrical data Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to advanced component diagnostics and overhaul 📊 Manual Specifications File Format PDF Searchability: Fully searchable text content Print Quality Printable Format: Printable by individual pages or in its entirety Binding Type Binding Method: Digital PDF (user printable) Paper Type Digital Medium: Adobe PDF Reader compatible Compatibility Operating Systems: Compatible with all Windows and Mac operating systems Requirements Software Requirements: Adobe PDF Reader (or equivalent), WinRar (for potential archive files) ⚙️ Engine Specifications Primary Engine Engine Code Examples: ALT (2.0L FSI), BFB (1.8L Turbo), AVJ (1.8L Turbo), BBK (3.0L V6), BFC (3.0L V6) Performance Engine Displacement Options: 1.8L Turbocharged Inline-4, 2.0L Naturally Aspirated FSI Inline-4, 3.0L Naturally Aspirated V6 Horsepower Range: Approximately 160 hp (1.8T) to 220 hp (3.0 V6) Torque Range: Approximately 164 lb-ft (1.8T) to 221 lb-ft (3.0 V6) Fuel System Fuel Injection Type: Multi-point Fuel Injection (MPI) for most, Fuel Stratified Injection (FSI) for 2.0L Fuel Type Recommended Fuel: Premium Unleaded Gasoline (91 RON or higher) 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission (in some markets/engine configurations) Optional Optional Transmission: Tiptronic 5-speed or 6-speed Automatic Transmission Features Automatic Transmission Features: Steering wheel paddle shifters (optional), manual shifting mode (Tiptronic) 📐 Dimensions Exterior Length: Approximately 4574 mm (179.9 inches) Width: Approximately 1769 mm (69.6 inches) Height: Approximately 1391 mm (54.8 inches) Wheelbase: Approximately 2650 mm (104.3 inches) Weights Curb Weight Range: Approximately 1650 kg to 1750 kg (3638 lbs to 3858 lbs), depending on engine and equipment 🛡️ Safety Features Ratings NHTSA Crash Test Ratings: Likely achieved 4 or 5 stars in relevant NHTSA categories for its time (specific ratings may vary by market and testing agency) Active Features Braking System: 4-wheel disc brakes with ABS, EBD, and Brake Assist Stability Control: Electronic Stability Program (ESP) standard Passive Features Airbags: Front airbags, side airbags (often thorax airbags integrated into seats), and pop-up rollover protection bars Seatbelts: Pre-tensioning seatbelts with force limiters 💡 Technology Features Infotainment Audio System: Audi Concert or Audi Symphony audio systems with CD player, optional Bose sound system Navigation: Optional Audi Navigation System Plus with CD-ROM based maps Driver Assistance Parking Aid: Optional front and rear parking sensors (Audi parking system) Cruise Control: Standard cruise control Connectivity Phone Integration: Optional Bluetooth hands-free interface 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 miles (16,000 km) or 12 months, whichever comes first, depending on driving conditions (refer to manual for specific type/conditions) Major Service Interval: Spark plug replacement, timing belt (if applicable, check engine code) typically around 60,000-100,000 miles (refer to manual) Fluid Specifications Engine Oil Specification: VW 502 00 or VW 503 00 approved synthetic oil (e.g., 5W-40 or 0W-40, viscosity depends on climate; refer to manual) Coolant Specification: G12 or G12+ (pink/red) coolant, mixed with distilled water Transmission Fluid Automatic: G 055 025 or equivalent ATF (refer to manual for exact type and capacity, often requires specific VW/Audi fluid) Power Steering Fluid: G 002 000 (Pentosin CHF 11S) or equivalent hydraulic fluid Known Issues Common Cabriolet Issues: Convertible top hydraulic system leaks/failures, window regulator issues, ignition coil failures (TFSI engines), PCV system issues, oil consumption on some engines Common Electrical Issues: Water ingress in ECU boxes, CAN bus communication errors, ABS/ESP warning lights 📚 Vehicle History Brand Heritage...