🏷️ Basic Information Identification Make: Datsun Model: Skyline Series: C210 Year: 1981 Codes Chassis Code: C210 👋 Introduction Market Position Target Audience: Datsun Skyline C210 owners, enthusiasts, mechanics, restorers Competitive Analysis Advantage: Official factory manual, comprehensive coverage, digital convenience, cost savings on labor Key Features Content Quality: Actual genuine factory repair information, not third-party Instructional Style: Step-by-step instructions, detailed illustrations, diagrams, photos, notes, cautions, warnings Usability: Easy to search, print specific sections or entire manual, no advanced computer skills required 📋 Manual Details Coverage Areas Primary Coverage: All C210 Series 1981 Datsun Skyline Styles Page Count Estimated Page Count: Hundreds of pages (exact count not specified but implied to be extensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service Repair: Complete engine overhaul, diagnostics, and component repair Transmission Service Repair: Manual and automatic transmission service, repair, and overhaul Brake System: Hydraulic system, components, diagnostics, and repair Wiring Diagrams: Comprehensive electrical system schematics Electrical System: All electrical components, circuits, and diagnostics Suspension: Front and rear suspension components, geometry, and repair Periodic Lubrication: Lubrication points and schedules for all major components Steering: Steering gear, linkage, and power steering system service Cooling System: Radiator, water pump, thermostat, and coolant circuit maintenance Fuel Injection Fuel System: Fuel delivery, injection systems (if applicable for 1981), carburetor service, and fuel tank Emission System: Emissions control devices and diagnostics Heater Air Conditioner: HVAC system service and repair Engine Control System: ECU (if applicable), sensors, and actuators diagnostics Chassis Body: Bodywork, frame, chassis components, and repair Restraint System: Seat belts and related safety systems Interior: Interior trim, seats, and dashboard components Differential Drive: Rear axle and differential service and repair Axle: Front and rear axle components and service Procedures Included General Maintenance: Routine checks, fluid changes, filter replacements Troubleshooting: Systematic diagnostic procedures for common and complex issues Repair Rebuild: Step-by-step instructions for component removal, installation, and overhaul Tuning: Engine and chassis tuning procedures Diagnostics: Advanced troubleshooting guides for electrical and mechanical systems Component Identification: Detailed illustrations of parts and assemblies Technical Depth Depth: Comprehensive, covering fundamentals to advanced diagnostics and rebuilds Specifications: Includes detailed technical specifications, torque values, clearances, and tolerances 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction (entire manual or specific pages) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirements: Adobe PDF Reader Compatibility Operating Systems: All PC-based Windows, macOS Delivery Method: Instant download link upon payment completion ⚙️ Engine Specifications Primary Engine Engine Options Common: L20A (2.0L Inline-6), Z18/Z20 (1.8L/2.0L Inline-4), LD28 (2.8L Diesel - less common in some markets) Performance Horsepower Range Typical: Approximately 90-130 HP depending on engine and tuning (L20A often in the 115-130 HP range) Torque Range Typical: Approximately 110-140 lb-ft depending on engine Fuel System Fuel Delivery Typical: Carburetion (e.g., Hitachi, Mikuni) for most models; Fuel Injection (Nissan Electronic Fuel Injection - EGI) available on some performance variants or later models of the C210 generation. Engine Management Ignition System: Electronic ignition, distributor-based 🔧 Transmission Standard Standard Transmission: 4-speed or 5-speed manual transmission Optional Optional Transmission: 3-speed or 4-speed automatic transmission (e.g., Jatco 3N71B, 4N71B) Features Clutch Type: Dry single-plate (manual) 📐 Dimensions Exterior Body Styles: 2-door Sedan, 4-door Sedan, Hardtop Coupe, Van/Wagon (Nissan Vanette variant may have shared platforms, but C210 is specific to Skyline) Weights Curb Weight Range: Approximately 1050 - 1250 kg (2315 - 2755 lbs) depending on body style and engine 🛡️ Safety Features Ratings Crash Test Data: Limited formal crash test data available for this era and model from global agencies, typical safety features of the time Active Features Braking System Type: Front disc brakes, rear drum brakes (some higher trims may have rear discs) Passive Features Seat Belts: Standard lap and shoulder belts (front), lap belts (rear) Body Construction: Unibody construction with crumple zones typical for the period 💡 Technology Features Infotainment Audio System: AM/FM radio, optional cassette player Driver Assistance Cruise Control: Optional on some higher trim levels Connectivity Connectivity Features: N/A for this era 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 - 5,000 miles or 3-6 months (recommend checking specific engine manual for exact interval) Tune Up Interval: Spark plugs, points (if applicable), ignition timing checks typically every 15,000 - 30,000 miles Fluid Specifications Engine Oil Type: API SF or SG service classification, SAE 10W-30 or 10W-40 recommended (refer to manual for specific viscosity based on climate) Coolant Type: Ethylene glycol based antifreeze, typically a 50/50 mix with water Transmission Fluid Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil Transmission Fluid Automatic: Dexron-III or equivalent ATF Brake Fluid Type: DOT 3 or DOT 4 brake fluid Known Issues Common Wear Items: Carburetor tuning/rebuilding, fuel system component aging (hoses, pumps), ignition system components...