🏷️ Basic Information

Make:

Maserati

Model:

Quattroporte

Generation:

V

Engine Variant:

V6 2.0L / V6 2.8L

Internal Model Code:

M139

👋 Introduction

Segment:

Luxury Sports Sedan

Competitors:

Porsche Panamera, BMW 7 Series, Mercedes-Benz S-Class, Audi A8, Jaguar XJ.

Design Philosophy:

Combines Italian design flair with performance and luxury, offering a distinct alternative to German rivals.

Powertrain Focus:

Emphasizes the performance and intricate engineering of its V6 engines.

Manual Value:

Essential for owners and independent workshops seeking to maintain and repair the complex V6 engines of the Quattroporte V.

📋 Manual Details

Manual Type:

Service Repair Manual

Language:

English, Italian

Format:

PDF

Applicable Years:

Primarily targets early to mid-generation V, but details may apply to later variants with similar engine configurations.

Estimated Page Count:

High (Detailed engine and related systems coverage suggests 1000+ pages, typical for comprehensive service manuals)

📖 Manual Coverage

Engine Mechanical:

Detailed overhaul and repair procedures for the V6 2.0L and 2.8L engines, including cylinder head, block, pistons, crankshaft, camshafts, valvetrain, lubrication system, and cooling system.

Engine Electrical:

Ignition system, fuel injection system (EFI), engine control module (ECM) diagnostics, sensors, actuators, starting and charging system related to engine operation.

Fuel System:

Fuel pump, fuel filter, fuel injectors, fuel pressure regulator, fuel tank and lines.

Lubrication System:

Oil pump, oil pan, oil filter, oil cooler, oil passages, lubrication specifications.

Cooling System:

Radiator, water pump, thermostat, coolant passages, fan system, cooling system diagnostics.

Exhaust System:

Exhaust manifolds, catalytic converters, mufflers, exhaust system routing and component replacement.

Intake System:

Air intake system, air filter housing, intake manifold, throttle body.

Maintenance:

Scheduled maintenance procedures, fluid level checks and changes, filter replacements, spark plug replacement, drive belt inspection and replacement.

Diagnostics Troubleshooting:

Systematic diagnostic procedures for common engine faults, error code interpretation, symptom-based troubleshooting guides.

Repair Rebuild:

Detailed instructions for engine component disassembly, inspection, repair, and reassembly. Includes torque specifications, clearances, and assembly sequences.

Special Tools:

Identification and usage of Maserati-specific or recommended tools for engine service.

Depth:

Comprehensive (Covers routine maintenance to complete engine rebuilds, advanced diagnostics, and troubleshooting).

Accuracy:

High (Derived from official Maserati technical documentation).

Detail Level:

Extremely detailed with exploded views, diagrams, schematics, and step-by-step instructions.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchability:

Typically text-searchable if scanned with OCR, enabling quick access to specific topics.

Printability:

Printable, allowing for creation of physical copies for workshop use.

Image Resolution:

Depends on the source scan, but professional manuals usually have high-resolution diagrams.

N/A:

Digital format, not applicable.

N/A:

Digital format, not applicable.

⚙️ Engine Specifications

Engine Family:

Ferrari-derived V6 (often referred to as 'Maserati's own' but with significant Ferrari engineering input and shared components for these generations).

Engine Displacement 2.0:

2.0 Liters (Rare variant, likely for specific markets or tax classifications, possibly a detuned or different bore/stroke configuration).

Engine Displacement 2.8:

2.8 Liters (Likely referring to variants like the 2.8 V6 BiTurbo).

Aspiration:

Twin-Turbocharged (Bi-Turbo)

Engine Layout:

90-degree V6

Engine Code Examples:

Not specified in product info, but typically alphanumeric codes like F130.

Horsepower 2.8 Estimated:

Around 300-330 hp (typical for this era's Maserati V6 twin-turbo).

Torque 2.8 Estimated:

Around 450-480 Nm (typical for this era's Maserati V6 twin-turbo).

Fuel Delivery:

Multi-point fuel injection (MPI) with electronic control.

Fuel Type:

Unleaded Gasoline (98 RON recommended).

Ignition System:

Distributorless Electronic Ignition (Coil-on-plug).

Engine Management:

Electronic Engine Control Unit (ECU).

🔧 Transmission

Transmission Type Typical:

ZF 6-speed automatic transmission (e.g., ZF 6HP26).

Transmission Type Optional:

Likely only automatic for the V6 models in this generation.

Transmission Modes:

Sport mode, Manual mode (with paddle shifters or sequential shifter).

Transmission Fluid Type:

Specific ZF Lifeguard fluid (e.g., Lifeguardfluid8 or similar, consult specific vehicle documentation for exact part number).

📐 Dimensions

Body Style:

4-door Luxury Sports Sedan

Wheelbase Typical:

Approx. 3070 mm (120.9 inches)

Curb Weight Typical:

Approx. 1800-1950 kg (3968-4300 lbs), depending on engine and features.

🛡️ Safety Features

Crash Test Ratings:

Euro NCAP and NHTSA ratings would vary by year and market; typically designed to meet high safety standards for luxury vehicles.

Braking System:

High-performance disc brakes, ABS, EBD, Brake Assist.

Stability Control:

Maserati Stability Program (MSP) or similar electronic stability control system.

Traction Control:

ASR (Anti-Slip Regulation).

Airbags:

Front, side, curtain airbags.

Seatbelts:

Pretensioning seatbelts.

💡 Technology Features

Infotainment System:

Early generations featured a less integrated system, often with a central display for navigation, audio, and climate control. Later updates brought more modern interfaces.

Driver Aids:

Typically included cruise control, parking sensors, and potentially adaptive cruise control and lane departure warning in later iterations.

Connectivity Features:

Bluetooth for hands-free calling, auxiliary audio inputs, and possibly USB integration depending on the specific model year and trim.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 km or annually, whichever comes first. Consult manual for exact interval.

Timing Belt Replacement:

These engines typically use timing chains, which are designed for the life of the engine but require inspection for wear and tensioner function.

Spark Plug Replacement Interval:

Highly dependent on plug type (e.g., iridium). Expect intervals of 60,000-100,000 km. Consult manual for specific plug and interval.

Engine Oil Type:

Synthetic, e.g., SAE 0W-40 or 5W-40, meeting specific API and ACEA specifications (e.g., ACEA A3/B4). Exact spec crucial, consult manual.

Coolant Type:

Ethylene Glycol based, pink or blue colored coolant (often a long-life silicate-free formula). Check for Maserati or relevant OEM approval.

Brake Fluid Type:

DOT 4 or DOT 5.1 (High-performance, low-moisture absorption).

Engine Performance:

Potential for turbocharger issues (wear, oil leaks), ignition coil failures, and oil consumption can be concerns if not properly maintained.

Cooling System:

Leaking coolant pipes, thermostat housing issues, and radiator durability can occur over time.

Electronic Systems:

While this manual focuses on the engine, ECU and sensor issues are common in modern luxury cars and are likely covered in diagnostics.

Maintenance Complexity:

As a high-performance Italian luxury car, maintenance requires specific knowledge, tools, and fluids. Incorrect procedures can lead to costly repairs.

📚 Vehicle History

Founding:

Founded in Bologna, Italy in 1914 by the Maserati brothers.

Motorsport Legacy:

Extensive history in motorsport, including Formula 1 and sports car racing, influencing road car development.

Quattroporte Lineage:

The Quattroporte nameplate has been used by Maserati for their flagship sedans since the 1960s, signifying 'four doors'.

Quattroporte V Introduction:

The fifth generation (M139) was introduced in 2003, featuring styling by Pininfarina and a focus on blending luxury with a sporty driving experience. It marked a significant return for Maserati in the luxury sedan segment.

Engine Variant Context:

The V6 engines offered were a strategic move to broaden the Quattroporte's appeal, providing a more accessible entry point than the larger V8 models, while still delivering characteristic Maserati performance.

Manufacturing Location:

Grugliasco, Turin, Italy (and later also Modena).

🏆 Awards & Recognition

Design Awards:

The Maserati Quattroporte V (M139) consistently received accolades for its Pininfarina styling, often cited as one of the most beautiful sedans of its era.

Performance Awards:

Praised by automotive journalists for its blend of luxury, performance, and handling characteristics, particularly for a large sedan.