🏷️ Basic Information

Make:

Maserati

Model:

Quattroporte

Model Code:

M139

Year:

2006-2007

Generation Designation:

Sixth Generation (M139)

👋 Introduction

Segment:

Full-size luxury sedan.

Key Competitors:

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

Design Philosophy:

Italian design flair, performance-oriented luxury, blending GT car characteristics with a four-door sedan.

Unique Selling Points:

Distinctive styling, powerful V8 engines, sporty handling for its class, exclusive brand appeal.

📋 Manual Details

Covered Regions:

Global (typical for factory manuals)

Estimated Page Count:

Hundreds (as stated in product description)

Type:

Factory Service Repair Workshop Manual

Language:

English (assumed for primary market and technical documentation)

Format:

Downloadable PDF

📖 Manual Coverage

Engine:

Full coverage of engine mechanical, lubrication, cooling, fuel, ignition, and exhaust systems.

Transmission:

Detailed procedures for automatic transmission (ZF 6HP26) service, repair, and troubleshooting.

Drivetrain:

Coverage of drive shafts, differentials, and AWD system (if applicable to the specific model year variant).

Suspension:

Front and rear suspension systems, including adaptive/Skyhook suspension components and adjustments.

Steering:

Power steering system, steering column, and alignment specifications.

Brakes:

Hydraulic brake system, ABS, EBD, stability control systems, brake pad/rotor replacement, bleeding procedures.

Electrical:

Comprehensive electrical system schematics, wiring diagrams, component testing, battery, charging, and starting systems.

Body And Chassis:

Body panel removal and installation, interior trim, structural components, corrosion protection.

HVAC:

Climate control system service, refrigerant handling, component diagnostics, and repair.

Infotainment And Comfort:

Navigation system, audio system, power seats, windows, locks, and associated control modules.

Maintenance:

Scheduled maintenance tasks, fluid changes, filter replacements, belt inspections/replacements.

Diagnostics:

Troubleshooting guides for common and complex issues, diagnostic trouble codes (DTCs) and their interpretation.

Repair:

Step-by-step repair procedures for all major vehicle components.

Disassembly And Reassembly:

Detailed instructions for removing, overhauling, and reinstalling components with exploded diagrams.

Wiring Diagrams:

Complete and detailed wiring schematics for all electrical circuits.

Depth:

Comprehensive, covering basic maintenance to full engine and transmission rebuilds, including advanced diagnostics.

📊 Manual Specifications

File Type:

PDF

Printability:

Printable (single page or full manual).

Binding:

N/A (Digital Download - PDF)

Paper Quality:

N/A (Digital Download - PDF)

Operating Systems:

Compatible with Windows and macOS.

Usage License:

Unlimited use, no expiry dates, usable on multiple devices.

⚙️ Engine Specifications

Engine Code:

F136 U (Ferrari-derived V8)

Displacement:

4.2 liters (4244 cc)

Configuration:

90-degree V8, naturally aspirated

Bore X Stroke:

92.0 mm x 79.8 mm

Valvetrain:

DOHC, 4 valves per cylinder, variable valve timing (VVT)

Horsepower:

394 hp @ 7000 rpm

Torque:

460 Nm (339 lb-ft) @ 4750 rpm

Injection Type:

Multi-point Fuel Injection (MPI)

ECU Type:

Bosch Motronic (specific variant may vary, detailed in manual)

Compression Ratio:

11.4:1

🔧 Transmission

Transmission Type:

6-speed automatic

Transmission Model:

ZF 6HP26

Optional Transmission:

N/A for these model years (standard RWD)

Gear Selection Modes:

Sport mode, manual shifting via paddle shifters.

Transmission Fluid Type:

Refer to manual for specific ZF Lifeguard fluid (e.g., Lifeguardfluid 6).

📐 Dimensions

Length:

Approx. 5090 mm (199.9 in)

Width:

Approx. 1900 mm (74.8 in)

Height:

Approx. 1430 mm (56.3 in)

Wheelbase:

Approx. 3000 mm (118.1 in)

Curb Weight:

Approx. 1900-2000 kg (4189-4409 lbs)

Standard Wheel Size:

18-inch (optional 19-inch and 20-inch available)

Standard Tire Size:

245/45 R18 (front and rear, varies by specific trim/wheel option).

Bolt Pattern:

5x114.3

🛡️ Safety Features

Crash Test Performance:

Refer to specific NHTSA/Euro NCAP reports for the 2006-2007 model year, though comprehensive data for this specific Italian luxury model might be limited compared to mass-market vehicles.

Stability Control:

Maserati Stability Program (MSP) including traction control.

ABS:

Anti-lock Braking System (ABS).

Ebd:

Electronic Brakeforce Distribution (EBD).

Brake Assist:

Brake Assist System (BAS).

Airbags:

Front, side, and curtain airbags.

Seatbelts:

Pretensioning seatbelts with load limiters.

Child Seats:

ISOFIX/LATCH child seat anchor points.

💡 Technology Features

Infotainment System:

Integrated infotainment system with navigation, audio controls, and vehicle settings.

Audio System:

Premium sound system, potentially Bose or similar, with CD player and auxiliary input.

Parking Sensors:

Front and rear parking assist sensors.

Cruise Control:

Adaptive cruise control (optional, depending on trim and market).

Bluetooth:

Bluetooth connectivity for hands-free calling (may be an option).

Seats:

Power-adjustable front seats with memory functions, heated and ventilated options available.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first. Refer to manual for exact specification.

Major Service Interval:

Major services often scheduled around 30,000-50,000 km, including transmission fluid, brake fluid, and spark plug replacements. Consult manual for detailed schedule.

Engine Oil Type:

Refer to manual for specific Maserati-approved synthetic oil (e.g., SAE 5W-40, API SN or higher, ACEA A3/B4 compliance may be specified).

Engine Oil Capacity:

Approximately 8.5 liters (8.9 US quarts) including filter. Verify in manual.

Coolant Type:

Ethylene glycol-based antifreeze (ensure correct color/specification for Maserati).

Brake Fluid Type:

DOT 4 Class 6 or equivalent (high-performance synthetic).

Power Steering Fluid:

Refer to manual for specific Maserati-approved hydraulic fluid.

Common Troubles:

Potential issues include early generation dual-clutch transmission (if applicable, though this is ZF auto), Skyhook suspension component wear, infotainment system glitches, and typical aging of exotic car electrics. The manual will detail diagnostic procedures for these.

Oil Filter Part Number:

Refer to manual or parts catalog for correct filter (e.g., Mann-Filter HU821X or equivalent).

Air Filter Part Number:

Refer to manual or parts catalog for correct air filter (e.g., Mann-Filter C37134/3 or equivalent).

📚 Vehicle History

Founding:

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

Motorsport Legacy:

Strong heritage in motorsport, including Formula 1 and sports car racing championships.

Quattroporte Lineage:

The Quattroporte nameplate has been used for several generations of Maserati's flagship luxury sedan since 1963.

M139 Introduction:

The M139 generation was introduced in 2003, with updates and refinements leading into the 2006-2007 model years covered by this manual.

Manufacturing Location:

Grugliasco, Turin, Italy.

Production Period For This Gen:

2003-2013 (with significant updates in later years).

🏆 Awards & Recognition

Design Awards:

The Quattroporte design, penned by Pininfarina, has been widely praised for its elegance and sporty lines, often recognized in automotive design circles.

Expert Reviews:

Consistently lauded by automotive journalists for its driving dynamics, powerful engine, and luxurious interior, despite some critiques regarding reliability or minor electronic niggles.