🏷️ Basic Information Identification Make: Datsun Model: 510 PL521 Year: 1971 Body Style: Pickup Truck Generation Generation Code: PL521 Codes Chassis Code: PL521 👋 Introduction Market Position Target Audience: Datsun 510 PL521 owners, DIY mechanics, restoration enthusiasts, and repair shops. Competitive Analysis Advantage: Provides professional-level, factory-accurate information for comprehensive vehicle maintenance and repair, enabling cost savings. Key Features Authenticity: Original Datsun workshop manual, same as used by local service/repair shops. Completeness: Complete and intact, with no missing or corrupt parts/pages. Accessibility: Instant PDF download for immediate access to repair information. 📋 Manual Details Coverage Areas Coverage Scope: All Models, Engines, Trim, and Transmission Types for 1971 Datsun 510 PL521 Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as extensive) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service Repair: Detailed procedures for engine maintenance, diagnostics, and repair. Transmission Service Repair: Comprehensive coverage for transmission maintenance, diagnostics, and repair. Brake System: Maintenance, inspection, and repair of the braking system components. Wiring Diagram: Includes detailed wiring diagrams for electrical system troubleshooting. Electrical System: Diagnosis and repair of all vehicle electrical components and circuits. Suspension: Maintenance and repair procedures for the suspension system. Steering: Service and repair information for the steering system. Cooling System: Maintenance and repair of the engine cooling system. Fuel System: Service and repair for fuel injection and fuel delivery systems. Emission System: Information on the emission control system and its service. Heater Air Conditioner: Service and repair of the HVAC system. Engine Control System: Diagnosis and repair of the engine management and control systems. Chassis Body: Information on chassis components and bodywork repair. Restraint System: Details on the vehicle's restraint systems (e.g., seat belts). Interior: Information related to interior components and their servicing. Differential Drive: Service and repair of the differential and drive axle components. Axle: Service and repair information for vehicle axles. Procedures Included General Maintenance: Routine maintenance tasks and schedules. Troubleshooting: Systematic guidance for diagnosing and resolving vehicle problems. Periodic Lubrication: Details on lubrication points and schedules. Repair Procedures: Step-by-step instructions for various repair tasks. Disassembly Assembly: Detailed guidance on taking apart and reassembling vehicle components. Cleaning Reinstalling: Procedures for cleaning and reinstalling parts. Technical Depth Depth: Professional-level diagnostics, maintenance, and repair. Diagnostic Tools: Information on tools and techniques used by professional technicians. Illustrations Photos: Detailed illustrations, drawings, and photos for visual guidance. Technical Specifications: Inclusion of critical specifications for various components and systems. Notes Cautions Warnings: Critical information highlighted through notes, cautions, and warnings. Indexed Content: Numbered table of contents for quick information retrieval. Part Identification: Enlarged insets for detailed examination and identification of parts. 📊 Manual Specifications File Format Format: PDF Print Quality Printable: Full Printable Zoom Functionality: Zoom In/OUT Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: N/A (Digital) Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: Compatible with All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder (details vary based on specific engine options for PL521) Displacement: Likely 1.3L (J13) or 1.5L (J15) OHV, or potentially the 1.6L (R16) SOHC from the 510 car variant, though PL521 typically used J-series. Manual covers 'All Engines'. Performance Horsepower Range: Typically 60-80 HP, depending on engine and tuning. Torque Range: Torque figures vary by engine, but generally in the 70-90 lb-ft range. Fuel System Fuel Delivery: Carbureted (single or dual barrel typically). Fuel Type: Unleaded gasoline (though leaded was common in 1971, manual would specify recommendations). 🔧 Transmission Standard Transmission Type: Manual Transmission (4-speed typical) Optional Transmission Type: Automatic Transmission (less common, likely 3-speed) Features Drive Layout: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Wheelbase: Approximately 104.3 inches (2649 mm) for PL521 Length: Varies by configuration, but around 166 inches (4216 mm) for standard bed Weights Curb Weight: Approximately 2200-2500 lbs (1000-1134 kg) 🛡️ Safety Features Ratings Crash Testing: N/A for this era; crash safety standards were nascent. Active Features Brakes: Front Disc, Rear Drum (typical for 510 platform, PL521 may vary slightly) Passive Features Restraints: Lap and shoulder belts (driver/passenger), potentially basic interior padding. 💡 Technology Features Infotainment Audio System: Basic AM radio, often with a single speaker. Aftermarket upgrades are common. Driver Assistance Driver Aids: None in the modern sense. Safety features are limited to basic passive systems. Connectivity Connectivity Features: N/A. No provisions for external connectivity. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Manual will provide exact schedule. Tune Up: Recommended at intervals such as 15,000-30,000 miles, including spark plugs, points, and condenser checks. Fluid Specifications Engine Oil Type: Likely SAE 10W-30 or 10W-40 (API service SF or SG equivalent). Manual to confirm exact specification. Coolant Type: Ethylene Glycol based antifreeze,...