🏷️ Basic Information

Make:

Ferrari

Model:

456 GT / 456 M GT

Engine Code:

F116

Chassis Codes:

456 GT, 456 GT F1, 456 M GT, 456 M GT F1

Production Years:

1992-2003

Facelift Year:

2001 (for 456 M GT)

Engine Variant Codes:

F116 B (GT), F116 C (M GT)

👋 Introduction

Positioning:

Flagship grand tourer, blending performance with luxury and long-distance comfort

Competitors:

Aston Martin DB7, Bentley Continental R, Porsche 928, Mercedes-Benz SL variants

Engine Configuration:

Naturally aspirated V12, front-mid engine layout

Transmission Options:

Six-speed manual or F1 electro-hydraulic automated manual transmission

Body Style:

2+2 coupe

Design Philosophy:

Elegant and understated for a Ferrari, designed for comfortable high-speed cruising

📋 Manual Details

Systems Covered:

All major mechanical, electrical, and body systems

Procedures Covered:

Diagnostics, repair, maintenance, troubleshooting, assembly/disassembly

Estimated Page Count:

Over 1500 pages (typical for factory workshop manuals of this era and complexity)

Type:

Factory Workshop Service Repair Manual

Language:

English (as primary language for factory manuals, with potential for other languages in specific editions)

Format:

PDF

📖 Manual Coverage

Engine:

Engine mechanical, lubrication, cooling, fuel injection, ignition, emissions control, exhaust systems

Transmission:

Manual gearbox (6-speed), F1 sequential gearbox (automated manual) systems, clutch, differential

Brakes:

Hydraulic system, ABS, brake components, parking brake

Suspension:

Front and rear suspension geometry, shock absorbers, springs, anti-roll bars, steering system

Electrical:

Wiring diagrams, lighting, starting and charging system, ECUs, sensors, actuators, body electronics, climate control

Body:

Body construction, panels, doors, windows, seats, interior trim, convertible top mechanisms (if applicable for specific variants)

Engine Repair:

Engine overhaul, piston ring replacement, valve seating, head gasket replacement, timing belt inspection/replacement (if applicable, though V12 often chain-driven)

Transmission Repair:

Gearbox rebuild, clutch replacement, F1 actuator calibration and service

Suspension And Steering Repair:

Shock absorber replacement, alignment procedures, power steering system service

Brake System Maintenance:

Brake pad and rotor replacement, brake fluid bleeding, caliper service

Electrical Diagnostics:

Troubleshooting wiring faults, sensor testing, ECU diagnosis, diagnostic trouble code (DTC) interpretation

Maintenance Tasks:

Scheduled maintenance, fluid changes, filter replacements, belt checks

Depth:

Comprehensive, covering from basic fluid checks to complete engine and transmission rebuilds, including specialized F1 transmission diagnostics.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text content for quick information retrieval

Printability:

Printable pages for convenient workshop use

Image Resolution:

High-resolution for clarity of diagrams and illustrations

Binding:

N/A (Digital PDF format)

Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

V12, 65-degree bank angle

Displacement:

5473 cc (5.5 Liters)

Bore X Stroke:

82 mm x 86.8 mm

Valvetrain:

DOHC, 4 valves per cylinder (48 valves total)

Horsepower Gt:

438 hp @ 6300 rpm

Torque Gt:

376 lb-ft @ 4500 rpm

Horsepower M Gt:

438 hp @ 6300 rpm

Torque M Gt:

376 lb-ft @ 4500 rpm

Induction:

Multi-point fuel injection (Bosch Motronic ME7.3)

Fuel Type:

Unleaded gasoline, premium (95 RON or higher recommended)

Compression Ratio:

10.5:1

Crankshaft:

Flat-plane crankshaft (typically found in Ferrari V12s, though some large V12s may use cross-plane; manual should clarify F116 specific)

🔧 Transmission

Type Gt:

6-speed manual transaxle

Type M Gt:

F1 electro-hydraulic sequential automatic (automated manual) transaxle

Transaxle Layout:

Rear-mounted transaxle for optimal weight distribution

Clutch Type:

Twin-plate dry clutch (for F1 transmission)

Manual Transmission Fluid:

API GL-4 or GL-5, SAE 75W-90 synthetic gear oil (check manual for exact Ferrari specification)

F1 Transmission Fluid:

Hydraulic fluid specific to F1 system (check manual for exact Ferrari part number/specification)

📐 Dimensions

Length:

4710 mm (approx. 185.4 inches)

Width:

1906 mm (approx. 75.0 inches)

Height:

1300 mm (approx. 51.2 inches)

Wheelbase:

2600 mm (approx. 102.4 inches)

Curb Weight Gt:

1770 kg (approx. 3902 lbs)

Curb Weight M Gt:

1770 kg (approx. 3902 lbs)

Wheel Size Front:

17 x 8J or 18 x 8J (depending on year/options)

Wheel Size Rear:

17 x 9.5J or 18 x 10J (depending on year/options)

Tire Size Front:

225/50 R17 or 225/40 R18

Tire Size Rear:

255/45 R17 or 265/35 R18

Bolt Pattern:

5x108

🛡️ Safety Features

Crash Test Data:

Limited formal crash test data available for this era of low-volume exotic cars; focus on inherent structural integrity and passive safety features.

ABS:

Standard Anti-lock Braking System (Bosch 5.3 or similar)

Traction Control:

ASR (Anti-Slip Regulation) available on later models

Airbags:

Driver and passenger front airbags

Seatbelts:

Three-point inertia reel seatbelts with pre-tensioners

Chassis Structure:

Steel chassis with aluminum body panels for rigidity and weight savings

💡 Technology Features

Audio System:

Factory fitted Nakamichi or Clarion audio system with CD player and radio

Navigation:

Optional factory navigation system available on some models.

System:

Automatic climate control with dual-zone functionality

Stability Control:

ASR (Traction Control) as mentioned, with no advanced electronic stability control programs in the modern sense.

🔧 Maintenance

Oil Change Interval:

Every 10,000 km or 1 year, whichever comes first (check manual for specific recommendation)

Major Service Interval:

Timing belt replacement (if applicable, though F116 is generally chain-driven, but tensioners/guides need inspection), spark plugs, coolant flush typically every 3-5 years or ~50,000 km.

Engine Oil Type:

Synthetic SAE 10W-40 or 15W-50, API SJ/SL, ACEA A3/B3 (refer to manual for Ferrari homologated oil)

Engine Oil Capacity:

13.5 Liters (with filter)

Coolant Type:

Ethylene glycol based, with anti-corrosion additives (Ferrari red coolant recommended)

Brake Fluid Type:

DOT 4 or DOT 5.1 (check manual for specific Ferrari approval)

Engine Mounts:

Hydraulic engine mounts can degrade and leak over time, affecting vibration isolation.

F1 Transmission Actuators:

Actuator pumps and solenoids for the F1 gearbox can require service or replacement due to wear.

Suspension Components:

Wear in bushings and ball joints can lead to steering vagueness and tire wear.

Electrical Gremlins:

As with many Ferraris of this era, electrical connectors can corrode, and some minor electronic issues may arise.

Radiator Fans:

Radiator fan motors and control modules can be a point of failure, impacting cooling efficiency.

📚 Vehicle History

Ferrari Legacy:

Continuation of Ferrari's lineage as a premier manufacturer of high-performance sports and GT cars.

Predecessor:

Ferrari 412

Successor:

Ferrari 612 Scaglietti

Production Period:

1992-2003

Assembly Location:

Maranello, Italy

Production Numbers Gt:

Approx. 318 units

Production Numbers M Gt:

Approx. 546 units

🏆 Awards & Recognition

Awards:

While specific awards are not commonly cited for individual models like this, the Ferrari 456 GT/M GT is widely recognized by automotive journalists and enthusiasts as a benchmark in its segment for its combination of performance, luxury, and usability.