🏷️ Basic Information

Make:

Ferrari

Model:

456 GT / 456M GT

Product Name:

Ferrari 456 456GT 456M Workshop Service & Repair Manual # 1

Product Description:

In-depth and highly detailed workshop service and repair manual for the Ferrari 456, 456 GT, and 456M GT.

Intended Use:

Repair, maintenance, diagnostics, and restoration

Target Audience:

Ferrari owners, independent workshops, specialist mechanics

👋 Introduction

Positioning:

A premium grand tourer offering a blend of performance, luxury, and practicality, designed for discerning owners who value driving pleasure and Italian automotive heritage.

Competitors:

Aston Martin DB7, Bentley Continental GT (later models), Porsche 911 (Turbo/Targa variants), Mercedes-Benz SL-Class.

Key Selling Points:

V12 engine, Pininfarina design, luxurious interior, comfortable ride, front-engine RWD layout.

Benefit To Owner:

Save money on repair bills, maintain pristine condition, understand vehicle operation.

📋 Manual Details

Covered Models:

Ferrari 456, Ferrari 456 GT, Ferrari 456M GT

General Coverage:

Entire vehicle from start to finish

Estimated Page Count:

Detailed page count not specified, but described as an 'absolute wealth of information' and 'in-depth & highly detailed'.

Type:

Workshop Service & Repair Manual

Language:

English (implied by product description and typical availability for these manuals)

Digital Format:

PDF

📖 Manual Coverage

Engine:

Complete overhaul, diagnosis, tuning, cooling system, fuel system (including injection and pumps), lubrication system, emission controls.

Transmission:

Gearbox and clutch (manual and possibly automatic variants), driveline, differentials, driveshafts, hub assemblies.

Braking System:

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

Suspension:

Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications, steering system.

Electrical System:

Wiring diagrams, component locations, ignition system, lighting, instrumentation, power windows, mirrors, seats, central locking, ECUs, diagnostic connectors.

Body And Fixtures:

Body panels, doors, hood, trunk, bumpers, glass, interior trim, seats, dashboard, climate control, security system.

Exhaust System:

Exhaust manifolds, catalytic converters, mufflers, pipes, hangers, oxygen sensors.

Wheels And Tyres:

Wheel specifications, tire pressure, rotation, balancing, lug nut torque.

Maintenance:

Routine service, oil changes, filter replacements, fluid checks, tune-ups, seasonal checks.

Repair:

Component removal, installation, replacement, and rebuilding procedures for all major systems.

Diagnostics:

Troubleshooting guides, symptom-based diagnostics, fault code interpretation (if applicable to the era).

Troubleshooting:

Step-by-step guides for identifying and resolving common and uncommon issues.

Depth:

Comprehensive: from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and bodywork.

Visuals:

Highly detailed exploded pictures and diagrams.

📊 Manual Specifications

Format:

PDF

Platform Compatibility:

Windows PC, Mac, Tablet, Smartphone

Searchability:

Likely searchable text within PDF if OCR'd, otherwise image-based.

Printability:

Printable (individual pages or entire manual).

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Type:

Naturally Aspirated V12

Displacement:

5.5 Liters (5474 cc)

Engine Code Family:

Tipo F133

Horsepower 456 Gt:

436 hp (325 kW) @ 6250 rpm

Torque 456 Gt:

569 Nm (420 lb-ft) @ 5000 rpm

Horsepower 456M Gt:

436 hp (325 kW) @ 6250 rpm (minor updates)

Torque 456M Gt:

569 Nm (420 lb-ft) @ 5000 rpm (minor updates)

Induction:

Bosch Motronic M2.7.2 or M5.2 engine management system, multi-point fuel injection.

Valvetrain:

DOHC, 4 valves per cylinder

Cooling System:

Water-cooled, front-mounted radiators, thermostatic control.

Lubrication:

Dry-sump lubrication system for high-performance operation.

🔧 Transmission

Type 456 Gt:

6-speed Manual Transaxle

Type 456M Gt:

6-speed Manual Transaxle

Type 456 Gt:

4-speed Automatic Transaxle (supplied by GM/Holden for some markets/options)

Type 456M Gt:

4-speed Automatic Transaxle

Layout:

Rear mid-engine, rear-wheel drive with transaxle (gearbox and differential in one unit).

Type:

Twin-plate dry clutch (for manual transmission).

📐 Dimensions

Length:

Approx. 4,710 mm (185.4 in)

Width:

Approx. 1,920 mm (75.6 in)

Height:

Approx. 1,300 mm (51.2 in)

Curb Weight Manual:

Approx. 1,770 kg (3,902 lbs)

Curb Weight Automatic:

Approx. 1,810 kg (3,990 lbs)

Wheelbase:

Approx. 2,600 mm (102.4 in)

🛡️ Safety Features

Crash Test Data:

No specific NHTSA or Euro NCAP ratings available for this model/era as standards were different, but designed to meet contemporary safety regulations.

Braking:

Ventilated disc brakes front and rear, ABS (Anti-lock Braking System).

Traction Control:

ASR (Acceleration Slip Regulation) on some models.

Airbags:

Driver and passenger front airbags.

Seatbelts:

Three-point inertia-reel seatbelts.

Body Structure:

Steel chassis with aluminum body panels, designed for rigidity and occupant protection.

💡 Technology Features

Audio System:

Factory fitted premium audio system, often with CD player. Later models may have integrated navigation.

Climate Control:

Automatic climate control with dual-zone functionality.

Cruise Control:

Standard cruise control system.

Original Connectivity:

Limited by era; primarily focused on vehicle systems and basic audio/climate controls.

🔧 Maintenance

Oil Change:

Typically every 10,000-15,000 km or annually, depending on usage and manufacturer recommendation for the V12 engine.

Major Service:

Recommended every 20,000-30,000 km, often involving belt replacement (if applicable), fluid flushes, and comprehensive inspection.

Engine Oil:

Refer to manual for specific viscosity (e.g., 10W-40 or 15W-50 synthetic) and API/ACEA specifications. Capacity typically around 12-14 liters.

Coolant:

Ethylene glycol-based coolant with corrosion inhibitors. Capacity approx. 15-18 liters.

Brake Fluid:

DOT 4 or higher rated brake fluid.

Transmission Oil:

Refer to manual for specific gear oil type and viscosity for manual and automatic transmissions. Capacity varies.

Common Wear Items:

Clutch wear, suspension bushings, aging rubber components, exhaust system corrosion, dashboard materials (cracking/discoloration).

Electrical Gremlins:

Age-related issues with wiring harnesses, relays, and sensors can occur in any vehicle of this vintage, requiring detailed electrical diagnostics.

Importance Of Diagnostics:

Regular use of diagnostic tools is crucial for identifying subtle issues before they become major problems, especially with complex Ferrari electronics.

📚 Vehicle History

Heritage:

Ferrari has a long and distinguished history in motorsport and luxury sports car manufacturing, known for performance, engineering, and exclusivity.

456 To 456M:

The 456M GT (M for Modificato) was an evolution of the original 456 GT, featuring updated styling (front bumper, grille, bonnet, lights), interior revisions, and minor mechanical refinements.

Production Years:

456 GT: 1992-2003; 456M GT: 1998-2003

Production Numbers:

Approx. 328 units of the 456 GT and approx. 760 units of the 456M GT were produced globally.

🏆 Awards & Recognition

Awards:

While specific awards for the 456/456M are not as prominently documented as later models, it was critically acclaimed for its blend of supercar performance and grand touring comfort, often lauded by automotive journalists of its time for its V12 engine and Pininfarina styling.