🏷️ Basic Information

Make:

Datsun

Model:

610

Year:

1974

👋 Introduction

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.

📋 Manual Details

Coverage Type:

Full Service Repair

Estimated Page Count:

Varies (Digital manuals often don't have a fixed page count, but coverage is comprehensive)

Manual Type:

Service and Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

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.

📊 Manual Specifications

File Format:

PDF

Printability:

Full Printable - Allows users to print individual pages or the entire manual.

Binding Type:

Digital (PDF) - No physical binding

Paper Type:

N/A (Digital Format)

Reader Requirement:

Adobe PDF Reader

Extraction Requirement:

WinRAR (for compressed file versions, if applicable)

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Engine Code 1974:

L20B (commonly found in 1974 models)

Displacement Cc:

1978 cc

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)

🔧 Transmission

Standard Transmission:

4-speed Manual Transmission

Optional Transmission:

3-speed Automatic Transmission (model AT-30)

Manual Transmission Fluid:

GL-4 Gear Oil (refer to manual for specific viscosity)

Automatic Transmission Fluid:

DEXRON-III or equivalent (refer to manual for exact specification)

📐 Dimensions

Body Styles:

2-door Sedan, 4-door Sedan, 5-door Station Wagon, 2-door Hardtop Coupe

Curb Weight Kg:

Approximately 1000-1150 kg (depending on body style and equipment)

🛡️ Safety Features

Safety Standards:

Designed to meet 1974 US safety regulations (e.g., Federal Motor Vehicle Safety Standards - FMVSS). Specific crash test ratings from this era are not readily available in modern databases.

Seat Belts:

Standard lap belts, front shoulder belts may be standard on some trims.

Safety Glass:

Laminated safety glass for windshield, tempered safety glass for side and rear windows.

💡 Technology Features

Audio System:

Factory AM radio or AM/FM radio. Cassette player was a rare dealer option.

Driver Assistance Features:

None (features like ABS, airbags, or traction control were not available in 1974).

Connectivity Options:

N/A (No electronic connectivity features).

🔧 Maintenance

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.

📚 Vehicle History

Datsun History:

Datsun, a brand of Nissan, was known for producing reliable, economical, and often spirited Japanese vehicles that gained significant popularity in export markets like North America during the 1970s.

610 Generation:

The Datsun 610 was part of Datsun's '510' family evolution, offering a more refined and slightly larger alternative to its predecessor, the Datsun 510. It featured a more aerodynamic styling and improved interior appointments.

Production Years:

1971-1977

Manufacturing Location:

Japan (primarily)

🏆 Awards & Recognition

Historical Accolades:

While specific awards for the 1974 Datsun 610 are not widely documented, the Datsun brand and its models (especially the 510) were highly regarded for their sportiness, reliability, and value in period automotive journalism, often being compared favorably to European competitors.