🏷️ Basic Information Identification Make: Datsun Model: 510 PL521 Model Variant: PL521 (Truck) Codes Chassis Code: PL521 👋 Introduction Market Position Description: Comprehensive factory service repair manual for the Datsun 510 PL521 truck. Competitive Analysis Value Proposition: Inexpensive way to keep vehicle working properly, providing detailed instructions and diagnostics. Key Features Convenience: Instant download, no shipping fees, printable pages. 📋 Manual Details Coverage Areas Model Years Covered: 1968, 1969, 1970, 1971, 1972, 1973 Styles Covered: All styles Page Count Page Count: Hundreds of pages (exact number not specified, but implied to be extensive) Manual Type Manual Type: Workshop Service Repair Manual Source: Official Full Factory Service Manual Language Language: English Format File Format: PDF Delivery Method: Download Compatibility: PC-based Windows OS and Mac Printability: Printable without any restriction Required Software: Adobe PDF Reader 📖 Manual Coverage Systems Covered General Maintenance: Covered Troubleshooting: Covered Engine Service Repair: Covered Transmission Service Repair: Covered Brake System: Covered Wiring Diagram: Covered Electrical System: Covered Suspension: Covered Periodic Lubrication: Covered Steering: Covered Cooling System: Covered Fuel Injection: Covered Fuel System: Covered Emission System: Covered Heater Air Conditioning: Covered Engine Control System: Covered Chassis Body: Covered Restraint System: Covered Interior: Covered Differential Drive: Covered Axle: Covered Procedures Included Repair Procedures: Step-by-step instructions based on complete disassembly Sub Steps: Detailed substeps expand on repair procedure information Troubleshooting Diagnostics: Combined with detailed wiring diagrams for ease of use Technical Depth Depth Level: Professional quality, in-depth Target Audience: Do-it-yourselfer as well as the experienced mechanic Illustrations Types Of Visuals: Hundreds of photos and illustrations Illustration Guidance: Guide the reader through each service and repair procedure Illustration Matching: Bold figure numbers help quickly match illustrations with instructions Detail Enhancement: Enlarged inset helps identify and examine parts in detail Navigation Table Of Contents: Numbered table of contents for fast information retrieval Safety Information Warnings Cautions: Notes, cautions, and warnings throughout each chapter pinpoint critical information 📊 Manual Specifications File Format File Type: PDF Print Quality Print Restriction: No restrictions Binding Type Binding Type: N/A (Downloadable digital format) Paper Type Paper Type: N/A (Digital format; printable) ⚙️ Engine Specifications Primary Engine Engine Type: Likely Inline-4 Cylinder (common for Datsun 510 series) Engine Displacement: Typically 1.6L (L16) or 1.8L (L18) for this era, specific to PL521 models within the 510 range. Performance Horsepower Range: Est. 96-109 hp (L16) to 110-125 hp (L18), depending on exact specification and tuning. Torque Range: Est. 100-115 lb-ft (L16) to 115-130 lb-ft (L18). Fuel System Fuel Delivery: Primarily carbureted (e.g., Hitachi SU or Weber type), with potential for early fuel injection systems mentioned. Engine Control System Control Type: Mechanical and potentially early electronic control for fuel injection and ignition. 🔧 Transmission Standard Transmission Type: Likely a 4-speed manual transmission as standard. Optional Transmission Type: A 3-speed automatic transmission may have been an option on some models. Features Gear Ratios: Detailed gear ratios for manual and automatic transmissions would be covered in the manual. Fluid Specifications Transmission Fluid Type: Likely Dexron II or equivalent for automatic transmissions, gear oil for manual transmissions (specific grades to be detailed). 📐 Dimensions Exterior Body Style: Compact Pickup Truck Weights Curb Weight: Approx. 2,200 - 2,500 lbs (1000-1135 kg), varies by configuration. Payload Capacity: Typically around 1,000 - 1,500 lbs (450-680 kg). 🛡️ Safety Features Ratings Safety Ratings Era: Safety standards and testing were less stringent than modern vehicles; ratings from this era are not directly comparable to current NHTSA/Euro NCAP scores. Active Features Braking System: Front disc brakes and rear drum brakes were common. Passive Features Seatbelts: Basic lap belts likely standard, shoulder belts may have been optional or standard on later models. Restraint System: Manual details cover restraint system components. 💡 Technology Features Infotainment Audio System: Basic AM radio, potentially an optional FM radio. No advanced infotainment features. Driver Assistance Driver Aids: None. Vehicles from this era did not feature electronic driver assistance systems. Connectivity Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000 miles (4,800 km) or 6 months, as specified in the manual. Tune Up Interval: Regular tune-ups (spark plugs, points, timing) required at intervals like 12,000-15,000 miles. Fluid Specifications Engine Oil Type: Likely SAE 10W-30 or 20W-50, depending on climate, as specified in the manual. Coolant Type: Ethylene glycol based antifreeze mixed with distilled water (50/50 ratio recommended). Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Common Problems: Rust/corrosion in common areas, carburetor tuning, ignition system maintenance, aging rubber components (hoses, seals). Lubrication Chassis Lubrication: Requires regular greasing of suspension and steering components (zerk fittings). 📚 Vehicle History Brand Heritage Manufacturer: Datsun (precursor to Nissan) Model Evolution Datsun 510 Legacy: The Datsun 510 (Bluebird) sedan and wagon were iconic, known for sporty handling and affordability. The PL521 truck shared much of its mechanicals and design ethos. Production Production Period: 1968-1973 Manufacturing...