🏷️ Basic Information Identification Make: Datsun Model: 510 PL521 Year: 1973 Chassis Code: PL521 Body Style: Pickup Truck 👋 Introduction Market Position Target Audience: Datsun 510 PL521 owners, DIY mechanics, restoration enthusiasts Competitive Analysis Differentiation: Genuine factory service manual, not third-party; comprehensive coverage; digital format for convenience Key Features Convenience: Instant download, print-on-demand, searchable text Cost Savings: Enables DIY servicing, saving significant labor costs 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Applicability: All Styles Source: Genuine Factory Manuals 📖 Manual Coverage Systems Covered General Maintenance: Included Troubleshooting: Included Engine Service Repair: Included Transmission Service Repair: Included Brake System: Included Wiring Diagrams: Included Electrical System: Included Suspension: Included Periodic Lubrication: Included Steering: Included Cooling System: Included Fuel Injection Fuel System: Included Emission System: Included Heater Air Conditioning: Included Engine Control System: Included Chassis Body: Included Restraint System: Included Interior: Included Differential Drive: Included Axle: Included Procedures Included Diagnostic Procedures: Included Repair Procedures: Included Maintenance Procedures: Included Rebuilding Procedures: Included Refurbishing Procedures: Included Restoration Procedures: Included Technical Depth Depth Of Information: Complete, factory-level detail for technicians and owners Illustration Detail: Detailed illustrations, drawings, photos, and enlarged insets Instruction Format: Step-by-step numbered instructions, detailed substeps, notes, cautions, and warnings 📊 Manual Specifications File Format File Type: PDF Readability: Requires Adobe PDF Reader Compatibility: Windows and Mac operating systems Print Quality Printability: Print any page, chapter, or entire manual without restriction Resolution: High resolution Binding Type Binding: Digital Download (printable) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder (typical for Datsun 510 models of this era) Engine Displacement: 1.6L (J16) or 1.8L (L18) - manual would specify exact options Performance Horsepower: Approximately 96 hp (J16) or 105 hp (L18) - specific to engine variant Torque: Varies by engine variant, e.g., around 100 lb-ft (L18) Fuel System Fuel Delivery: Carbureted (likely Hitachi or SU type) or early Fuel Injection (rare, depending on specific market/variant) 🔧 Transmission Standard Transmission Type: 4-speed Manual (common) Optional Transmission Type Optional: 3-speed Automatic (less common, but available) Features Drive Layout: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Wheelbase: Approximately 104.3 inches (2650 mm) Length: Approximately 172.0 inches (4370 mm) Weights Curb Weight: Approximately 2300-2500 lbs (1043-1134 kg) - varies by configuration 🛡️ Safety Features Ratings Safety Ratings Era: No formal crash test ratings in the modern sense for this era of vehicle Active Features Active Safety: Standard hydraulic braking system, mechanical parking brake Passive Features Passive Safety: Lap belts (front), basic body structure 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio (optional), analog gauges Driver Assistance Driver Assistance Features: None (features common to modern vehicles were not present) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 6 months (recommendation, consult manual for specifics) Tune Up Interval: Refer to manual for ignition timing, carburetor adjustments, and spark plug replacement schedules Fluid Specifications Engine Oil Type: API SF or SG service classification, SAE 10W-30 or 20W-50 recommended (refer to manual for precise viscosity based on temperature) Transmission Fluid Type: GL-4 gear oil (e.g., SAE 75W-90 or 80W-90 for manual transmission); Dexron II for automatic (consult manual for specifics) Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water (typically 50/50) Known Issues Common Wear Items: Carburetor tuning, ignition components (points, condenser, coil), fuel lines, brake components, suspension bushings, exhaust system Body Corrosion: Prone to rust, especially in fender wells, rocker panels, and floor pans, common for vehicles of this era 📚 Vehicle History Brand Heritage Brand Origin: Datsun (Nissan's export brand) known for reliable, affordable, and sporty vehicles Model Evolution Datsun 510 Legacy: The Datsun 510 (including its sedan, wagon, and coupe variants) is celebrated for its European-inspired handling and performance, earning the nickname 'Poor Man's BMW'. Production Production Period: PL521 production ran from 1969 to 1975 Manufacturing Location: Primarily Japan 🏆 Awards & Recognition Recognitions Automotive Press Recognition: Datsun 510 models widely praised for driving dynamics and value for money in their time