🏷️ Basic Information

Make:

Datsun

Model:

310

Year:

1980

Product Name:

Datsun 310 1980 Factory Service Repair Manual

Internal Code:

DAT-310-1980-FSM

👋 Introduction

Vehicle Class:

Subcompact car.

Target Audience:

Owners and independent repair shops seeking to maintain, diagnose, and repair the Datsun 310.

Key Competitors 1980:

Honda Civic, Toyota Corolla, Ford Pinto, Chevrolet Chevette, Plymouth Horizon.

Vehicle Selling Points:

Fuel efficiency, compact size, affordability, and Datsun's reputation for reliability at the time.

Cost Savings:

Enables DIY repairs and informed maintenance, potentially saving significant costs compared to dealership servicing.

Emergency Preparedness:

Provides in-depth knowledge for diagnosing and addressing issues in emergency situations.

📋 Manual Details

Coverage Scope:

Comprehensive factory service and repair for Datsun 310 1980 models.

Estimated Page Count:

Approximately 700-900 pages (typical for a 1980s factory service manual of this scope, though exact count not provided).

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed diagnostics, repair, and overhaul procedures for all engine variants, including cylinder head, block, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system, fuel system, and emission controls.

Transmission:

Service, repair, and overhaul procedures for manual and automatic transmissions, including gear engagement, clutch service, torque converter, valve body, and transmission fluid specifications.

Drivetrain:

Front-wheel drive system, including transaxle, driveshafts, CV joints, and differentials.

Suspension:

Front and rear suspension systems, including MacPherson struts, control arms, coil springs, shock absorbers, bushings, and wheel alignment specifications.

Steering:

Steering system components, including steering rack, tie rod ends, steering column, and power steering system (if applicable).

Brakes:

Front disc brakes and rear drum brakes, including hydraulic system, brake pads/shoes, calipers, wheel cylinders, master cylinder, brake lines, and parking brake system.

Electrical System:

Complete wiring diagrams, fuse box layout, component testing, charging system (alternator, battery), starting system (starter motor), ignition system, lighting, gauges, and accessories.

Body And Chassis:

Body panel removal/installation, door mechanisms, interior trim, glass, bumpers, and chassis structural components.

Heating And Air Conditioning:

HVAC system components, blower motor, heater core, evaporator, refrigerant service (if applicable), and ducting.

General Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, and general inspection points.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon issues across all vehicle systems.

Repair And Overhaul:

Detailed step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation.

Component Replacement:

Guidance for replacing wear items such as spark plugs, belts, hoses, brake pads, and more.

Specifications And Tolerances:

Torque specifications, clearances, fluid capacities, and performance data for all components.

Wiring Diagrams:

Complete and detailed wiring diagrams for all electrical systems, allowing for accurate diagnosis of electrical faults.

Depth Of Information:

Factory-level technical depth, suitable for professional mechanics and advanced DIY enthusiasts. Covers from basic adjustments to complete engine and transmission rebuilds.

📊 Manual Specifications

File Format:

PDF

Print Quality Expectation:

High-resolution, clear reproductions of original factory documentation, ensuring readability of diagrams and text.

Binding Type:

N/A (Digital PDF format)

Paper Type Expectation:

N/A (Digital PDF format, but original manual would have been on durable paper suitable for workshop use).

Required Software:

Adobe PDF Reader, WinZip (or equivalent decompression utility).

Operating System Compatibility:

Compatible with all versions of Windows and macOS.

⚙️ Engine Specifications

Engine Code And Type:

Likely A12 series engine (1.2L SOHC inline-4 cylinder). Specific engine code may vary by market and sub-model, but A12 is common for this era Datsun compacts.

Displacement:

1.2 Liters (1171 cc).

Bore X Stroke:

Typically around 73.0 mm x 69.7 mm for the A12. Precise figures available in the manual.

Compression Ratio:

Likely around 8.5:1 to 9.0:1 depending on tuning.

Horsepower Net:

Approximately 55-60 HP @ 5600 RPM (highly dependent on exact tune and emissions equipment).

Torque Net:

Approximately 65-70 lb-ft @ 3200 RPM.

Fuel Delivery:

Single barrel carburetor (e.g., Hitachi, or similar).

Fuel Type:

Unleaded gasoline (87 octane or higher).

Ignition Type:

Conventional distributor-based ignition system with points and condenser.

Cooling Type:

Water-cooled, pressurized system with thermostat and radiator.

Oil Capacity:

Approximately 3.5 US quarts (3.3 liters) with filter change.

Recommended Oil Viscosity:

API SG or SF, SAE 10W-30 or 10W-40 (refer to manual for specific climate recommendations).

🔧 Transmission

Transmission Type:

4-speed manual transmission.

Transmission Type Optional:

3-speed automatic transmission (less common).

Clutch Type:

Single dry plate, hydraulically operated (manual transmission).

Manual Transmission Fluid:

API GL-4 gear oil, SAE 75W-90 or 80W-90.

Automatic Transmission Fluid:

Dexron II (if automatic is equipped).

📐 Dimensions

Length:

Approx. 155-160 inches (3937-4064 mm).

Width:

Approx. 62-63 inches (1575-1600 mm).

Height:

Approx. 53-55 inches (1346-1397 mm).

Wheelbase:

Approx. 90-91 inches (2286-2311 mm).

Curb Weight:

Approx. 1750-1900 lbs (794-862 kg).

Gross Vehicle Weight Rating:

Varies, but typically around 2700-2900 lbs (1225-1315 kg).

🛡️ Safety Features

Crash Test Results:

No specific official crash test ratings available from modern agencies for this model year and region, as testing standards were different.

Active Safety Features:

Standard braking system, steering.

Passive Safety Features:

Seat belts (lap belts likely standard, shoulder belts optional or dependent on trim/market), reinforced passenger compartment.

💡 Technology Features

Infotainment System:

Basic AM/FM radio, possibly with an 8-track player or cassette deck as an option. Analog gauges for speed, RPM, fuel, temperature, oil pressure.

Driver Assistance Features:

None by modern standards. Basic functionality focused on driving controls.

Connectivity Features:

No electronic connectivity features.

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first.

Transmission Fluid Change Interval:

Manual: Every 30,000-60,000 miles (48,000-96,000 km). Automatic: Every 20,000-40,000 miles (32,000-64,000 km).

Coolant Flush Interval:

Every 24,000-36,000 miles (38,000-58,000 km) or 2 years.

Spark Plug Replacement:

Every 20,000-30,000 miles (32,000-48,000 km).

Brake Fluid Type:

DOT 3 or DOT 4.

Coolant Type:

Ethylene Glycol based antifreeze mixed with distilled water (50/50 ratio).

Common Problem 1:

Carburetor issues (clogging, tuning).

Common Problem 2:

Rust and corrosion, especially in wheel wells and rocker panels.

Common Problem 3:

Wear and tear on suspension bushings and components.

Common Problem 4:

Electrical gremlins due to age of wiring and components.

Common Problem 5:

Aging rubber hoses and seals leading to leaks.

📚 Vehicle History

Brand Origin:

Datsun (Nissan's export brand) originated in Japan, known for producing reliable and economical vehicles.

Datsun 310 Lineage:

The Datsun 310 (also known as Sunny in some markets) was a series of compact cars produced by Datsun/Nissan. The 1980 model likely represents the third generation (B310) introduced in 1977.

Production Period:

The B310 generation was produced from 1977 to 1981.

Manufacturing Locations:

Primarily Japan, with potential assembly in other countries for specific markets.

🏆 Awards & Recognition

Historical Accolades:

While the Datsun 310 (Sunny) was generally well-regarded for its economy and reliability in its class, specific major awards for the 1980 model year are not widely documented.