DATSUN 280Z Service Repair Manual 1976-1977

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🏷️ Basic Information Identification Make: Datsun Model: 280Z Model Code: S30 Year: 1976-1977 Generation Generation: 2nd Generation S30 (Facelift) Codes Chassis Code: HS30, GS30 👋 Introduction Market Position Target Audience:...

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Type: Car

Vendor:

Sku: 273336

Tags: 1976 1977 280Z Car Cars Datsun

Product variants

Description

🏷️ Basic Information

Identification

Make:

Datsun

Model:

Model Code:

Year:

1976-1977

Generation

Generation:

2nd Generation S30 (Facelift)

Codes

Chassis Code:

HS30, GS30

👋 Introduction

Market Position

Target Audience:

Enthusiasts, owners, mechanics performing maintenance, repair, and restoration on 1976-1977 Datsun 280Z

Competitive Analysis

Value Proposition:

Provides crucial technical data for maintaining the classic Z car's performance and reliability, covering the advanced fuel injection system

Key Features

Feature Highlight 1:

Detailed L-Jetronic fuel injection system diagnostics and repair procedures

Feature Highlight 2:

Comprehensive mechanical and electrical system coverage for the specific model years

Feature Highlight 3:

Essential for proper restoration and long-term maintenance of a collectible sports car

📋 Manual Details

Coverage Areas

Engine Coverage:

2.8L Inline-6 (L28) Fuel Injection

Transmission Coverage:

4-Speed Manual, 3-Speed Automatic

Body Style Coverage:

2-Door Coupe

Page Count

Estimated Page Count:

Hundreds of Pages (specific count not provided, typical for factory service manuals of this era)

Manual Type

Manual Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, disassembly, assembly, tuning, diagnostics

Fuel System:

Bosch L-Jetronic Fuel Injection system diagnosis and repair, fuel pump, injectors, pressure regulator, ECU

Ignition System:

Electronic Ignition System (CDI) components, timing, diagnosis

Cooling System:

Radiator, water pump, thermostat, hoses, fan assembly maintenance and repair

Exhaust System:

Muffler, catalytic converter (where applicable), exhaust manifolds, heat shields

Transmission Manual:

Clutch assembly, gearbox disassembly and assembly, shift linkage

Transmission Automatic:

Automatic transmission service, fluid, diagnosis

Drivetrain:

Driveshaft, U-joints, differential, rear axle components

Suspension:

Front and rear suspension components, struts, springs, bushings, alignment specifications

Steering:

Steering rack, tie rods, steering column, power steering system (if equipped)

Brakes Front:

Disc brake system, calipers, rotors, pads, brake lines

Brakes Rear:

Disc brake system, calipers, rotors, pads, brake lines

Parking Brake:

Mechanism, cables, adjustment

Electrical System:

Wiring diagrams, starter, alternator, battery, fuses, relays

Lighting System:

Headlights, taillights, interior lighting, bulb types

Instrumentation:

Dashboard gauges, warning lights, speedometer, tachometer

HVAC System:

Heating, ventilation, and air conditioning (if equipped) system diagnosis and repair

Body And Chassis:

Body panel removal and installation, structural components, rust repair considerations

Interior Trim:

Seat removal, door panel removal, dashboard trim

Glass And Seals:

Windshield, side glass, rear glass replacement, weatherstripping

Procedures Included

Preventative Maintenance:

Oil changes, filter replacements, fluid checks, belt inspection, spark plug replacement

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues

Repair Procedures:

Detailed instructions for component removal, replacement, and adjustment

Rebuilding Procedures:

Comprehensive guides for engine, transmission, and differential rebuilds

Restoration Guidelines:

Information relevant to restoring the vehicle to original specifications

Torque Specifications:

Essential torque values for all critical fasteners

Wiring Diagrams:

Detailed, high-resolution wiring schematics for all electrical systems

Alignment Specifications:

Wheel alignment angles (caster, camber, toe) for front and rear

Technical Depth

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and drivetrain overhauls

Diagnostic Focus:

In-depth diagnostics for the L-Jetronic fuel injection system and electronic ignition

📊 Manual Specifications

File Format

File Type:

PDF (Portable Document Format)

Searchability:

Typically searchable text within PDF for easy keyword lookup

Print Quality

Print Readability:

Designed for clear printing, with legible diagrams and text

Binding Type

Binding Type:

N/A (Digital PDF format)

Paper Type

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Naturally Aspirated, Overhead Cam (OHC), Inline 6-Cylinder

Engine Code:

Displacement:

2753 cc (2.8 Liters)

Bore X Stroke:

86.0 mm x 79.0 mm

Compression Ratio:

8.3:1 (Typical)

Performance

Horsepower Net:

170 hp @ 5600 rpm (1976), 162 hp @ 5600 rpm (1977 - due to emissions changes)

Torque Net:

210 lb-ft @ 3600 rpm (1976), 205 lb-ft @ 3600 rpm (1977)

Fuel System

Fuel Delivery:

Bosch L-Jetronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (Premium Recommended)

Ignition System

Ignition Type:

Electronic Ignition (CDI)

🔧 Transmission

Standard

Standard Transmission:

4-Speed Manual

Optional

Optional Transmission:

3-Speed Automatic (e.g., BorgWarner AS40 - check specific model)

Features

Clutch Type:

Single Dry Plate, Hydraulic Actuation

📐 Dimensions

Exterior

Length:

163.0 inches (approx.)

Width:

64.2 inches (approx.)

Height:

50.6 inches (approx.)

Wheelbase:

90.7 inches (approx.)

Front Track:

52.8 inches (approx.)

Rear Track:

52.6 inches (approx.)

Weights

Curb Weight:

2,850 - 3,000 lbs (approx., depending on transmission and options)

Gross Vehicle Weight Rating:

Not typically stated in user manuals for this era of sports car

🛡️ Safety Features

Ratings

Crash Test Data:

Limited official NHTSA/IIHS data available for this era; design predates rigorous modern standards

Active Features

Active Safety:

Four-wheel disc brakes, responsive steering

Passive Features

Passive Safety 1:

3-point seat belts

Passive Safety 2:

Energy-absorbing steering column

Passive Safety 3:

Reinforced body structure (for its time)

💡 Technology Features

Infotainment

Infotainment Features:

Basic analog radio (AM/FM), often with cassette player option. Focus is on driving experience, not advanced tech.

Driver Assistance

Driver Assistance Features:

None (pre-dates modern driver-assistance systems)

Connectivity

Connectivity Features:

None (no Bluetooth, USB, or mobile integration)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 miles or 3 months (typical recommendation)

Oil Filter Replacement:

With every oil change

Air Filter Replacement:

Every 15,000 miles or as needed

Spark Plug Replacement:

Every 30,000 miles (platinum plugs may vary)

Fuel Filter Replacement:

Every 30,000 miles or as needed

Fluid Specifications

Engine Oil Type:

API SG/SH, SAE 10W-30 or 10W-40 (check specific manual for climate/grade recommendations)

Engine Oil Capacity:

Approx. 5.0 US quarts (with filter)

Coolant Type:

Ethylene Glycol based antifreeze (50/50 mix with distilled water)

Transmission Fluid Manual:

GL-4 Gear Oil, SAE 75W-90 or 80W-90

Transmission Fluid Automatic:

Dexron III or equivalent

Brake Fluid Type:

DOT 3 or DOT 4

Differential Fluid Type:

GL-5 Gear Oil, SAE 80W-90 or 90

Known Issues

Issue 1:

Fuel injection system (L-Jetronic) sensitivity to vacuum leaks, aged wiring, and sensor failures.

Issue 2:

Rust proliferation, particularly in the floor pans, rocker panels, and wheel wells.

Issue 3:

Aging rubber and plastic components (bushings, hoses, fuel lines) requiring replacement.

Issue 4:

Potential for wear in the camshaft and valve train components over high mileage.

Issue 5:

Electrical gremlins due to age and exposure, especially in wiring harnesses and connectors.

📚 Vehicle History

Brand Heritage

Brand Origin:

Datsun, a division of Nissan Motor Co., Ltd., Japan

Model Evolution

Predecessor:

Datsun 240Z (S30), Datsun 260Z (S30)

Key Changes For 76-77:

Introduction of 2.8L L28 engine with L-Jetronic fuel injection, significant emissions control integration, updated bumpers (5 mph federally mandated), revised interior and exterior styling elements

Production

Production Period:

Datsun 280Z production: 1975-1978 (as part of S30 generation)

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Design Recognition:

The S30 chassis (including the 280Z) is widely celebrated for its iconic Giorgetto Giugiaro-inspired design and is considered a landmark in automotive history.

Ratings

Performance Car Status:

Consistently ranked among top sports cars of its era and a significant competitor to contemporary European and American sports coupes.

Certifications

Historical Significance:

Key model in establishing Datsun's reputation for reliable, performance-oriented, and stylish vehicles in the North American market.