🏷️ Basic Information Identification Make: Honda Model: Civic Year: 1991 Codes Chassis Code: EG (for 3-door hatchback, 4-door sedan, 5-door wagon - refers to the platform generation, though specific chassis codes like EH1, EJ1, EJ2, EK etc. exist within this generation for different body styles and powertrains) Engine Codes: D13B, D14A, D15B, D16A, D16Z, B16A (depending on market and trim; D15B and D16A are most common for the base US models) 👋 Introduction Market Position Target Audience: DIYers, independent repair shops, Honda enthusiasts Value Proposition: Cost-effective, convenient, and comprehensive repair guidance compared to outdated printed manuals. Competitive Analysis Competitors Comparison: Outperforms traditional printed manuals in terms of accessibility, searchability, and ease of updates. Offers a modern alternative to generic online forums or unofficial repair guides. Key Features Licensing: Officially licensed and derived from OE materials, ensuring accuracy and authenticity. Software Provider: RepairSurge 📋 Manual Details Coverage Areas Manual Type: Online Service and Repair Manual Software Language: English Format: Digital Access (Web Browser based) Access Duration: 1 Year (with discounts for extensions) Device Compatibility: PC, Laptop, Smartphone, Tablet (with internet connection and web browser) 📖 Manual Coverage Systems Covered Engine: Complete engine systems (mechanical, electrical, fuel, ignition, cooling, lubrication, emissions) Transmission: Manual and Automatic transmission systems (gearbox, clutch, torque converter, shift mechanisms) Drivetrain: Front-wheel drive system (axles, CV joints, differential) Brakes: Hydraulic brake systems (front discs, rear drums or discs depending on trim, parking brake, ABS on some models) Steering: Steering system (rack and pinion, power steering components if equipped) Suspension: Front and rear suspension systems (struts, springs, control arms, bushings, shocks) Electrical: Complete electrical system (wiring diagrams, lighting, starting, charging, fuses, relays, sensors) Heating And Air Conditioning: HVAC system (heater core, A/C compressor, refrigerant, climate controls) Body And Interior: Body panels, doors, glass, interior trim, seats, dashboard Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, tune-ups, fluid checks) Troubleshooting: Diagnostic procedures and common fault finding for all major systems Repair: Step-by-step repair procedures for component replacement and system overhauls Adjustment: Adjustments for systems like brakes, clutch, ignition timing (where applicable) Disassembly And Assembly: Detailed instructions for component removal and installation Technical Depth Depth Level: Comprehensive (from basic maintenance to detailed component overhaul and diagnostics) Diagnostic Tools: Guidance on using common diagnostic tools and techniques Data Source: Licensed OE (Original Equipment) materials 📊 Manual Specifications File Format Digital Format: Web-based application Print Quality Print Quality Digital: High-resolution digital rendering, suitable for on-screen viewing and potential printing of specific sections. Binding Type Binding Type Digital: N/A (Digital Access) Paper Type Paper Type Digital: N/A (Digital Access) Searchability Text Search: Searchable text content ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC (Single Overhead Camshaft) - Common variants include D15B, D16A Displacement Cc: 1300cc to 1600cc (depending on specific engine code) Bore X Stroke Mm: Typical for D-series: approx. 75.0 mm x 84.5 mm (for D16A) Compression Ratio: Varies by engine, typically around 9.1:1 to 9.7:1 Performance Horsepower Hp: Approx. 70-108 HP (depending on engine, market, and tuning) Torque Lb-Ft: Approx. 70-95 lb-ft (depending on engine) Fuel System Fuel Delivery: Fuel Injection (PGM-FI - Programmed Fuel Injection) Fuel Type: Unleaded Gasoline (Octane rating varies by market, typically 87 AKI) Cooling System Coolant Type: Honda Type 2 Coolant (Ethylene Glycol based) or equivalent silicate-free coolant. Capacity approx. 4.5-5.0 liters. Lubrication System Oil Type: API Service SJ or SG, SAE 5W-20 or 10W-30. Consult manual for exact recommendation. Oil Capacity approx. 3.7 liters (with filter). Ignition System Ignition Type: Electronic ignition with distributor 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transmission Optional Transmission Type Optional: 4-speed Automatic Transmission Features Clutch Type: Hydraulic clutch actuation (for manual transmission) Transmission Fluid Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil. Capacity approx. 1.7-1.9 liters. Transmission Fluid Automatic: Honda Genuine ATF-Z1 (or compatible equivalent). Capacity approx. 2.5-2.8 liters for drain and fill. 📐 Dimensions Exterior Length Mm: Varies by body style, e.g., ~4005 mm for hatchback, ~4355 mm for sedan. Width Mm: Varies by body style, e.g., ~1695 mm Height Mm: Varies by body style, e.g., ~1340 mm for hatchback, ~1395 mm for sedan. Weights Curb Weight Kg: Approx. 980-1150 kg, depending on model and equipment. Gross Vehicle Weight Rating Kg: Consult vehicle specific VIN plate. Typically around 1450-1550 kg. 🛡️ Safety Features Ratings NHTSA Frontal Crash Rating: Not independently rated by NHTSA in the modern sense for this era, but generally considered robust for its class. Active Features ABS: Available on some higher trims or as an option, primarily on front wheels. Passive Features Airbags: Driver's airbag was optional or not available on all trims for this model year. Passenger airbag was not standard. Seatbelts: Front 3-point inertia-reel seat belts with pretensioners; rear lap and shoulder belts. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player. Speaker count varies by trim...