FERRARI 308 GT4 Service Repair Manual

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🏷️ Basic Information Identification Make: Ferrari Model: 308 GT4 Model Variant: 308 GT4 Body Style: 2+2 Coupe Generation Generation Code: First Generation Codes Internal Project Code: Dino 106 GT4 (initial...

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Type: Car

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Sku: 288709

Tags: 308 GT4 365 Car Cars Ferrari

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Description

🏷️ Basic Information

Identification

Make:

Ferrari

Model:

308 GT4

Model Variant:

308 GT4

Body Style:

2+2 Coupe

Generation

Generation Code:

First Generation

Codes

Internal Project Code:

Dino 106 GT4 (initial development)

👋 Introduction

Market Position

Positioning:

A quintessential example of a mid-engined, V8-powered Italian sports car, designed by Bertone.

Competitive Analysis

Competitors:

Primarily competed against cars like the Porsche 911, Lotus Esprit, and De Tomaso Pantera during its production run.

Key Features

Design:

Unique Pininfarina/Bertone designed wedge-shaped body, a departure from previous Dino models.

Engine Placement:

Mid-engine layout for optimal weight distribution and handling.

Seating Capacity:

Unusual 2+2 seating configuration for a mid-engined sports car of its era.

📋 Manual Details

Coverage Areas

Coverage:

Complete Service and Repair for Ferrari 308 GT4

Page Count

Page Count:

Not specified, but implied to be comprehensive.

Manual Type

Manual Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine:

Complete engine service, diagnosis, overhaul, and tuning for all 308 GT4 variants.

Fuel System:

Carburetor systems (Weber), fuel pump, fuel lines, fuel tank, and emissions control.

Ignition System:

Distributor, ignition coils, spark plugs, and electronic ignition components.

Transmission:

Manual gearbox overhaul, clutch replacement, driveshafts, and differential.

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, and bushings.

Brakes:

Hydraulic system, brake calipers, discs, pads, master cylinder, brake lines, and parking brake.

Steering:

Steering rack, tie rods, steering column, and universal joints.

Electrical System:

Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, and ancillary electrical components.

Cooling System:

Radiator, fan, coolant hoses, thermostat, and water pump.

Exhaust System:

Exhaust manifolds, pipes, mufflers, and catalytic converters (if applicable).

Bodywork And Chassis:

Body panel alignment, structural integrity, doors, windows, locks, and trim.

Interior:

Seat removal and installation, dashboard, interior trim panels, and climate control.

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, tune-ups, and lubrication.

Diagnostics:

Troubleshooting guides, fault finding, and diagnostic procedures for all systems.

Repair:

Step-by-step repair instructions for all major components and systems.

Overhaul:

Detailed procedures for complete engine, transmission, and differential rebuilds.

Wiring Schematics:

Comprehensive, vehicle-specific wiring diagrams for all electrical systems.

Illustrations And Diagrams:

Abundant illustrations, diagrams, and exploded views for clarity.

Technical Depth

Depth:

Factory-level detail, suitable for dealership technicians and experienced enthusiasts.

📊 Manual Specifications

File Format

File Format:

Readability:

Searchable text and zoomable images.

Portability:

Downloadable for instant access, printable pages.

Software Requirements:

Adobe PDF Reader and WinZip for extraction.

Compatibility:

Compatible with all versions of Windows and Mac operating systems.

Print Quality

Print Quality:

High-resolution digital format, allowing for clear printing of all details.

Binding Type

Binding Type:

Digital (PDF) - no physical binding.

Paper Type

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Naturally Aspirated V8

Displacement:

2.9 Liters (2926 cc)

Bore X Stroke:

81 mm x 71 mm

Engine Code:

F106 AB

Compression Ratio:

9.2:1

Power Output:

240 bhp (179 kW; 243 PS) at 7,000 rpm

Torque Output:

203 lb-ft (275 Nm) at 5,000 rpm

Fuel System

Fuel Delivery:

Four Weber 40DCNF Carburetors

Ignition System

Ignition Type:

Breakerless electronic ignition (later models may have different systems)

Lubrication System

Oil Capacity:

Approximately 12 liters (12.7 US quarts)

Cooling System

Cooling Type:

Water-cooled

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual Transaxle

Features

Clutch Type:

Hydraulically operated single dry plate clutch

Transaxle Layout:

Integrated gearbox and final drive unit, mounted mid-ship behind the engine.

📐 Dimensions

Exterior

Length:

4,389 mm (172.8 in)

Width:

1,750 mm (68.9 in)

Height:

1,115 mm (43.9 in)

Wheelbase:

2,340 mm (92.1 in)

Front Track:

1,470 mm (57.9 in)

Rear Track:

1,480 mm (58.3 in)

Weights

Curb Weight:

Approximately 1,380 kg (3,042 lbs)

Weight Distribution:

Near 50/50 (achieved due to mid-engine layout)

🛡️ Safety Features

Ratings

Crash Safety:

No specific crash test ratings available from modern regulatory bodies for this era of vehicle.

Active Features

Braking:

Four-wheel disc brakes

Passive Features

Seatbelts:

Three-point seatbelts (standard)

Windshield:

Laminated safety glass

💡 Technology Features

Infotainment

Audio System:

Factory-installed analog radio, often with cassette player (configuration varies by market and options).

Driver Assistance

Anti-lock Braking System (ABS) was not a standard feature on early models and became optional on later versions.

Connectivity

Connectivity Features:

N/A (No integrated modern connectivity features).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual for specific mileage/time intervals, typically every 3,000-5,000 miles or annually.

Timing Belt Replacement:

Not applicable, uses a timing chain.

Major Service:

Recommended every 12,000-15,000 miles or 2-3 years, involving comprehensive checks and adjustments.

Fluid Specifications

Engine Oil Type:

Viscosity typically SAE 20W-50, API SG or equivalent (check manual for precise recommendation).

Coolant Type:

Ethylene glycol based antifreeze/coolant (typically a 50/50 mix with distilled water).

Transmission Fluid Type:

GL-4 or GL-5 Gear Oil (specific viscosity to be confirmed in manual, often 75W-90 or 80W-90).

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid.

Clutch Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid (shared with brakes).

Known Issues

Carburetor Tuning:

V8 engines with quad Webers require meticulous tuning and synchronization. Periodic adjustment is critical.

Electrical Reliability:

Older wiring looms can degrade, leading to intermittent electrical faults. Thorough inspection and potential replacement are advised.

Rust Potential:

Like many cars of this era, structural rust can be a concern, especially in sills, wheel arches, and around the engine bay.

Suspension Bushings:

Rubber bushings in suspension and steering can age and deteriorate, affecting handling and ride quality.

Maintenance Tools

Special Tools:

Carburetor synchronizer, torque wrench, fuel pressure gauge, compression tester, multimeter, and specific Ferrari diagnostic tools (covered in manual).

📚 Vehicle History

Brand Heritage

Heritage:

Ferrari is renowned for its success in motorsport and its legacy of producing high-performance sports cars.

Model Evolution

Predecessor:

Evolved from the Dino 246 GT and GTS, but with a distinct V8 engine and different styling.

Successor:

Succeeded by the Ferrari 308 GTB/GTS, which featured a transverse V8 engine and body-styling by Pininfarina.

Production

Production Years:

1973-1980

Production Numbers:

Approximately 712 units (GT4) produced.

Designer:

Marcello Gandini of Bertone

Original Marketing Name:

Dino 308 GT4 (initially sold as a Dino, later badged as Ferrari)

🏆 Awards & Recognition

Recognitions

Design Awards:

The Bertone design was innovative and distinctive for its time, though specific design awards for the 308 GT4 are not widely documented.

Ratings

Performance Reviews:

Praised for its potent V8 engine and surprisingly practical 2+2 layout, though criticized by some for its styling compared to other Ferraris.