Electrical System, Wiring Diagram, Engine Control System, Fuel Injection
Interior And Safety:
Restraint System, Interior
Procedures Included
Maintenance:
General Maintenance, Periodic Lubrication
Repair And Overhaul:
Complete disassembly based instructions for all covered systems
Diagnostics:
Troubleshooting
Technical Depth
Depth Of Information:
Detailed step-by-step instructions with hundreds of photos and illustrations, covering complete disassembly and repair procedures.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Likely text-searchable within PDF (standard for professional PDFs)
Print Quality
Printability:
Fully printable, allowing users to print entire manual or specific pages.
Binding Type
Binding Type:
Digital (PDF format) - no physical binding.
Paper Type
Paper Type:
N/A (Digital format)
⚙️ Engine Specifications
Primary Engine
Engine Family:
Nissan L-Series (specifically L16 or L18 variants likely)
Displacement 1:
1595 cc (1.6 Liters)
Displacement 2:
1770 cc (1.8 Liters - common in later models or specific markets)
Performance
Horsepower L16:
Approx. 96 hp @ 5600 rpm (gross)
Torque L16:
Approx. 114 lb-ft @ 3600 rpm (gross)
Horsepower L18:
Approx. 109 hp @ 5600 rpm (gross)
Torque L18:
Approx. 123 lb-ft @ 3600 rpm (gross)
Fuel System
Fuel Delivery Early:
Single Downdraft Carburetor (e.g., Hitachi/SU type)
Fuel Delivery Late:
Possibly Electronic Fuel Injection (EFI) on later or specific variants, but likely carburetors dominate the era.
Engine Codes
Common Engine Codes:
L16, L18 (specific variations exist)
🔧 Transmission
Standard
Transmission Type Early:
4-speed Manual
Optional
Transmission Type Optional:
3-speed Automatic (less common in trucks of this era)
Features
Clutch Type:
Single dry plate, hydraulically operated
📐 Dimensions
Exterior
Body Style:
Pickup Truck (Long Bed and Short Bed variants likely)
Weights
Curb Weight Approx:
2200-2500 lbs (dependent on configuration)
Payload Capacity Approx:
1000-1500 lbs
🛡️ Safety Features
Ratings
Safety Standards Era:
Reflects automotive safety standards of the late 1960s and early 1970s, which were significantly less stringent than modern standards.
Active Features
Braking System:
Front disc brakes, Rear drum brakes (common configuration).
Passive Features
Seat Belts:
Likely standard front seat belts (lap belts or early 3-point belts depending on year/market).
Chassis Construction:
Body-on-frame construction typical for trucks of this era.
💡 Technology Features
Infotainment
Audio System:
Typically a basic AM radio, with AM/FM stereo becoming available in later years or as an option. Cassette players were rare.
Driver Assistance
Driver Aids:
Virtually no electronic driver assistance systems. Focus was on mechanical control.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 3,000 miles or 3 months, but the manual will provide precise recommendations based on driving conditions.
Tune Up Interval:
Periodic tune-ups involving spark plugs, points, condenser, and carburetor adjustment were common at intervals of 10,000-20,000 miles.
Fluid Specifications
Engine Oil Viscosity:
Likely SAE 10W-30 or 10W-40, depending on climate. Manual will specify API classification (e.g., API SF or earlier).
Coolant Type:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water.
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90).
Transmission Fluid Automatic:
Dexron-III or equivalent ATF (if applicable).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Known Issues
Rust And Corrosion:
Common in vehicles of this age, particularly in areas exposed to salt or moisture. Frame, cab corners, and bed are susceptible.
Carburetor Tuning:
Carburetors require regular adjustment and maintenance for optimal performance and fuel economy.
Electrical Gremlins:
Aging wiring harnesses and connectors can lead to intermittent electrical issues.
Suspension Wear:
Ball joints, tie rod ends, and bushings are wear items that will require replacement over time.
📚 Vehicle History
Brand Heritage
Datsun Legacy:
Datsun (later Nissan) established a reputation for reliable, economical, and well-engineered vehicles during this period.
Model Evolution
Datsun 510 Platform:
The 510 platform was a significant success for Datsun, known for its sporty handling and compact size. The PL521 pickup shared mechanical components and the familial design cues.
Production
Production Years Model:
1968-1973
Manufacturing Location:
Japan (primarily), with assembly in other countries for specific markets.
🏆 Awards & Recognition
Recognitions
Datsun 510 Reputation:
The Datsun 510 (sedan and coupe variants) was often praised for its 'poor man's BMW' handling and value, contributing to Datsun's growing popularity in North America.
Pickup Truck Segment:
The PL521 was part of Datsun's successful entry into the compact pickup truck market, offering a reliable and economical alternative.
Choosing a selection results in a full page refresh.