Target Audience:
Professional technicians, experienced DIY mechanics, and Datsun 610 enthusiasts seeking in-depth repair and maintenance information.
Value Proposition:
Provides professional-grade, comprehensive repair data in a readily accessible digital format, eliminating shipping costs and wait times.
Instructional Format:
Numbered steps, bold figure numbers, detailed illustrations, drawings, photos, and enlarged insets for clarity.
Troubleshooting Integration:
Combined troubleshooting and electrical service procedures with detailed wiring diagrams for ease of use.
Critical Information Highlight:
Notes, cautions, and warnings integrated throughout each chapter to highlight critical information.
Engine Mechanical:
Detailed diagnosis, repair, and overhaul for all Datsun 610 engine variants of 1974, including disassembly, assembly, torque specifications, and component inspection.
Fuel System:
Carburetor adjustment, rebuilding, fuel pump servicing, fuel filter replacement, and fuel line troubleshooting.
Cooling System:
Radiator maintenance, water pump service, thermostat replacement, and coolant specifications.
Ignition System:
Distributor service, spark plug replacement, ignition timing adjustment, coil testing, and wiring diagnostics.
Transmission Manual:
Overhaul procedures, clutch replacement, gearshift linkage adjustment, and transmission fluid specifications for manual gearboxes.
Transmission Automatic:
Automatic transmission diagnosis, fluid service, band adjustment, and control linkage calibration (if applicable to 1974 models).
Drive Axle And Differential:
Rear axle servicing, differential fluid change, bearing inspection, and driveshaft maintenance.
Suspension System:
Front and rear suspension component identification, replacement procedures (shocks, springs, bushings), and alignment specifications.
Steering System:
Steering gear diagnosis and repair, power steering pump and hose service (if equipped), and steering linkage adjustment.
Brake System:
Front and rear brake inspection, pad/shoe replacement, caliper/wheel cylinder servicing, brake fluid specifications, and bleeding procedures.
Electrical System:
Complete wiring diagrams, fuse box layout, starter motor and alternator service, battery testing, lighting system troubleshooting, and accessory electrical component diagnosis.
Body And Chassis:
Door panel removal, interior trim servicing, exterior trim repair, body panel alignment, and basic chassis lubrication.
Heating And Air Conditioning:
HVAC system component identification, blower motor service, and basic refrigerant system troubleshooting (if equipped).
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, fluid level checks and top-offs, chassis lubrication.
Diagnostic Procedures:
Systematic troubleshooting guides for common and uncommon problems, symptom-based diagnostics, and electrical system fault finding.
Repair Procedures:
Step-by-step instructions for component replacement and repair across all major vehicle systems.
Rebuild Procedures:
Comprehensive instructions for engine, transmission, and carburetor rebuilding.
Refurbishment Procedures:
Guidance on restoring various components and systems to good working order.
Wiring Diagrams:
Detailed, easily readable wiring schematics for all electrical circuits.
Specifications And Data:
Torque specifications, clearances, fluid capacities, tire pressures, engine data, and more.
Depth Of Coverage:
Highly detailed, covering professional technician-level repairs, diagnostics, and component rebuilds. Suitable for experienced DIYers as well.
Engine Code 1974:
L20B (commonly found in 1974 models)
Configuration:
Inline 4-cylinder, SOHC (Single Overhead Camshaft)
Approximate Horsepower:
~97 hp @ 5200 RPM (for L20B, varies with tuning and emissions)
Approximate Torque:
~114 lb-ft @ 3200 RPM (for L20B, varies with tuning and emissions)
Fuel Delivery:
Two-barrel downdraft carburetor (e.g., Hitachi SU-HDB type or similar)
Cooling Type:
Water-cooled
Oil Capacity Quarts:
Approximately 4.2 US quarts (4.0 liters) with filter change (refer to manual for exact capacity)
Recommended Oil Viscosity:
10W-30 or 10W-40 (refer to manual for ambient temperature suitability)
Engine Oil Change:
Every 3,000 - 5,000 miles (or 3-6 months), whichever comes first (refer to manual for exact intervals).
Transmission Fluid Change:
Every 24,000 - 30,000 miles (or 24 months).
Differential Fluid Change:
Every 24,000 - 30,000 miles (or 24 months).
Spark Plug Replacement:
Every 10,000 - 15,000 miles.
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for exact specification).
Coolant Type:
Ethylene Glycol based antifreeze/coolant (typically a 50/50 mix with distilled water).
Common Wear Items:
Carburetor issues (stalling, rough idle), ignition system component failures (points, condenser), worn suspension bushings, exhaust system rust.
Body Rust:
Common on older Japanese vehicles, particularly in areas prone to moisture and road salt. Wheel arches, rocker panels, and floor pans are typical areas.
