🏷️ Basic Information Identification Make: Datsun Model: 510 Year: 1973 Generation Generation Designation: Second Generation (510 A2) Codes Chassis Code: DHW-510 (Sedan/Wagon), H510 (Coupe) 👋 Introduction Market Position Target Audience: Professional Datsun technicians and dedicated DIY enthusiasts seeking a comprehensive resource for repair, maintenance, and restoration. Competitive Analysis Value Proposition: Offers the same detailed information as professional factory service manuals, enabling users to perform complex repairs and diagnostics previously exclusive to dealerships or specialized workshops. Key Features Instructional Method: Numbered step-by-step instructions, detailed illustrations, drawings, and photos with enlarged inset views for clarity. Cautions, notes, and warnings highlight critical information. Organization: Numbered table of contents for quick information retrieval. Troubleshooting and electrical service procedures integrated with wiring diagrams. 📋 Manual Details Coverage Areas Coverage Scope: Full Service Repair and Maintenance Page Count Estimated Pages: Highly comprehensive, likely exceeding 1000 pages when considering all procedures and diagrams. Specific count not provided, but described as 'very detailed'. Manual Type Type: Full Service Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnostics, tuning, fuel system (carburetor and injection where applicable), ignition system, cooling system, lubrication system. Transmission: Manual and Automatic transmission overhaul, adjustment, and repair. Clutch service. Drivetrain: Front suspension, rear suspension (including U-joint maintenance for RWD), drive axles, differential service. Brakes: Front and rear brake systems (disc and drum), hydraulic system diagnostics and repair, parking brake. Steering: Steering gear box overhaul, power steering system (if equipped) service, alignment procedures. Electrical: Complete electrical system diagnostics, wiring diagrams, lighting system, ignition system, charging system, starting system, accessory circuits, troubleshooting. Body: Body panel repair, door mechanisms, window regulators, interior trim, exterior trim, glass replacement, rust repair techniques. Procedures Included Maintenance: Regular service schedules, oil change procedures, filter replacements, tune-up specifications, fluid level checks and top-offs. Repair: Step-by-step repair instructions for all major vehicle systems, including engine rebuilds, transmission overhauls, suspension component replacement, brake caliper service, electrical component repair. Troubleshooting: Systematic diagnostic procedures for common and uncommon problems, electrical gremlins, engine performance issues, and drivability concerns. Refurbishment Restoration: Detailed guidance on rebuilding, refurbishing, and restoring all aspects of the vehicle, from mechanical components to cosmetic elements. Technical Depth Depth: Professional-level, covering everything from basic adjustments to complete engine and transmission rebuilds. Includes diagnostic procedures for technicians. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full Printable Binding Type Binding: Digital Download (No physical binding) Paper Type Paper: Not Applicable (Digital) Requirements Software Requirements: Adobe PDF Reader, WinRAR (for potential archive extraction) Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Family: Nissan L-Series (Inline-4) Engine Code: L16 (most common), L18, L20B (later models/variations) Displacement: 1.6 Liters (1595 cc) for L16. 1.8 Liters (1809 cc) for L18. 2.0 Liters (1952 cc) for L20B. Bore X Stroke: L16: 81.0 mm x 78.0 mm. L18: 81.0 mm x 86.0 mm. L20B: 85.0 mm x 86.0 mm. Compression Ratio: Typically 8.5:1 to 9.0:1, depending on specific engine variant and fuel octane. Performance Horsepower Gross Hp: L16: Approx. 96-109 PS (95-107 bhp) at 6000 rpm. L18: Approx. 105-115 PS (104-113 bhp). L20B: Approx. 110-120 PS (109-118 bhp). Torque Gross Lb-Ft: L16: Approx. 93-98 lb-ft (126-133 Nm) at 3600 rpm. L18: Approx. 108-115 lb-ft (146-156 Nm). L20B: Approx. 120-125 lb-ft (163-169 Nm). Fuel System Fuel Delivery: Typically downdraft carburetors (e.g., Hitachi/SU style). Some models/markets may have had fuel injection (e.g., L-Jetronic) on specific performance variants, though less common for 1973. Fuel Type: Unleaded gasoline (depending on market and emissions regulations for the year). Octane rating typically Regular to Mid-grade. Ignition System Ignition Type: Conventional breaker-point ignition system with distributor. Some later models or specific markets might have seen early electronic ignition. Cooling System Cooling Medium: Water-cooled, pressurized system. Lubrication System Oil Type Recommendation: SAE 10W-30 or 10W-40 (API SF or SG service category equivalent for the era). Check manual for precise recommendations. Engine Mounts Engine Mount Type: Rubber insulated mounts. 🔧 Transmission Standard Standard Transmission: 4-speed Manual Transmission (e.g., F4W71A). Optional Optional Transmission: 3-speed Automatic Transmission (e.g., L3N71B). Features Clutch Type: Dry single-plate clutch. Transmission Fluid Type: Manual: GL-4 Hypoid Gear Oil. Automatic: DEXRON-II or equivalent (check specific service bulletin). Gear Ratios Manual Gear Ratios: Varies by specific transmission model, but typically around 3.38:1 for 1st gear, 2.05:1 for 2nd, 1.31:1 for 3rd, 1.00:1 for 4th, and 3.55:1 for reverse. 📐 Dimensions Exterior Body Styles: 2-door Sedan, 4-door Sedan, 5-door Station Wagon, 2-door Coupe (often referred to as the '240Z coupe' sibling). Wheelbase: 100.0 inches (2540 mm) Overall Length: Approx. 160.0 inches (4064 mm) for Sedans. Station Wagon slightly longer. Overall Width: Approx. 63.6 inches (1615 mm) Overall Height: Approx. 54.1 inches (1374 mm) for Sedans. Station Wagon slightly taller. Weights Curb Weight: Approximately 2,200 - 2,500 lbs (1000 - 1134 kg), depending on...