🏷️ Basic Information Identification Make: Honda Model: Civic Year: 2004 Codes Chassis Code: EM2 (Coupe), ES1/ES2 (Sedan) 👋 Introduction Market Position Positioning: Reputable online service and repair manual software targeting DIYers and professional mechanics Competitive Analysis Comparison: Offers a modern, convenient, and cost-effective alternative to traditional printed manuals Key Features Licensing: Officially licensed, derived from OE (Original Equipment) materials Convenience: Instant online access, no physical delivery or storage required Value Proposition Cost Savings: Enables significant savings on professional repair costs 📋 Manual Details Coverage Areas Engine: DOHC i-VTEC (K20A3), SOHC VTEC (D17A1, D17A2) Transmission: 5-Speed Manual, 5-Speed Automatic (with Grade Logic Control) Body Styles: Coupe (2-door), Sedan (4-door) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Web-based Access Access Access Duration: 1 Year 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, pistons, crankshaft, camshafts, timing belt/chain, lubrication system, cooling system Engine Performance: Fuel system, ignition system, emissions control, exhaust system, engine management system (ECU) Transmission: Manual transmission repair, automatic transmission diagnosis and repair, clutch system, torque converter Drivetrain: Front-wheel drive system, drive axles, CV joints Brakes: Front and rear disc brakes, ABS system, brake fluid service, hydraulic system diagnostics Suspension: Front MacPherson strut suspension, rear multi-link suspension, shock absorbers, springs, control arms, alignment specifications Steering: Power steering system, steering rack, steering column, tie rod ends Electrical System: Battery, alternator, starter motor, lighting system, charging system, wiring diagrams, fuse box layouts, relays HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, refrigerant handling Body And Trim: Exterior body panels, interior trim components, doors, windows, locks, mirrors Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups Diagnostics: Troubleshooting guides, symptom-based diagnostics, common problems and solutions Repair: Step-by-step repair procedures for all major systems Disassembly Assembly: Detailed procedures for component removal and installation Technical Depth Depth: Comprehensive OE-level data, suitable for DIY enthusiasts and professional technicians 📊 Manual Specifications File Format Compatibility: PC, Laptop, Smartphone, Tablet via web browser Print Quality Quality: Digital rendering of OE materials Binding Type Type: N/A (Digital Access) Paper Type Type: N/A (Digital Access) Page Count Estimated Pages: Varies by specific content, but OE manuals typically range from 1000-3000+ pages for complete coverage. ⚙️ Engine Specifications Primary Engine Engine Code Sedan Base: D17A1 Engine Code Sedan Vtec: D17A2 Engine Code Coupe Base: D17A1 Engine Code Coupe Sport: D17A2 Engine Displacement D17: 1.7 Liters (1668 cc) Engine Type D17: Inline 4-cylinder, SOHC VTEC Performance Horsepower D17A1: 115 hp @ 6100 rpm Torque D17A1: 110 lb-ft @ 4800 rpm Horsepower D17A2: 127 hp @ 6300 rpm Torque D17A2: 114 lb-ft @ 4800 rpm Fuel System Fuel Delivery: Programmed Fuel Injection (PGM-FI) Fuel Type: Unleaded gasoline (87 octane recommended) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type Optional: 5-Speed Automatic with Grade Logic Control Features Automatic Control: Grade Logic Control optimizes shift points for uphill and downhill driving 📐 Dimensions Exterior Length Coupe: 174.6 inches Length Sedan: 177.9 inches Width: 67.7 inches Height Coupe: 54.8 inches Height Sedan: 56.1 inches Wheelbase: 104.3 inches Cargo Trunk Volume Coupe: 12.6 cubic feet Trunk Volume Sedan: 14.5 cubic feet Weights Curb Weight Manual Sedan: 2687 lbs Curb Weight Automatic Coupe: 2807 lbs 🛡️ Safety Features Ratings NHTSA Front Driver: ★★★★★ NHTSA Front Passenger: ★★★★★ NHTSA Side Impact Driver: ★★★★ NHTSA Side Impact Passenger: ★★★★ IIHS Frontal Offset: Good Active Features ABS: Standard on most trims Passive Features Airbags Front: Standard dual front airbags Airbags Side: Optional front side airbags on some trims 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM stereo with CD player, optional premium audio system with subwoofer. Driver Assistance Cruise Control: Available on most models. Connectivity Auxiliary Input: Not standard; aftermarket solutions often available. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (whichever comes first) under normal driving conditions. Air Filter Replacement: Every 15,000 miles or 12 months. Spark Plug Replacement: D17A1: Every 100,000 miles (Iridium-tipped); D17A2: Every 100,000 miles (Iridium-tipped). Timing Belt Replacement: N/A (D17 engine uses a timing chain). Fluid Specifications Engine Oil Type: SAE 5W-20, API certified. Engine Oil Capacity: Approx. 3.7 US quarts (3.5 Liters) with filter change. Coolant Type: Honda Type 2 (Blue) Antifreeze/Coolant. Transmission Fluid Manual: Honda MTF (Manual Transmission Fluid) or equivalent GL-4 rated gear oil. Transmission Fluid Automatic: Honda ATF-DW1 (or ATF-Z1). Known Issues Common Issue Ac Compressor: Premature failure of AC compressor, particularly on certain engine variants. Common Issue Engine Mounts: Degradation and cracking of engine mounts, leading to vibration. Common Issue Suspension Wear: Wear in suspension components such as ball joints and bushings. Common Issue Power Steering Pump: Occasional leaks or failure of the power steering pump. 📚 Vehicle History Brand Heritage Heritage: Honda is a globally recognized manufacturer renowned for reliability, fuel efficiency, and innovative engineering. Model...