Segment:
        
        
            Full-size Luxury Sedan
        
     
    
        
            Brand Perception:
        
        
            Italian luxury, performance, and craftsmanship.
        
     
    
    
        
            Key Competitors 2006-2007:
        
        
            Porsche Panamera (later generation), BMW 7 Series, Mercedes-Benz S-Class, Audi A8, Jaguar XJ
        
     
    
    
        
            Design Philosophy:
        
        
            Blend of Maserati's sporting heritage with executive luxury and comfort.
        
     
    
        
            Value Proposition:
        
        
            Provides DIY enthusiasts and independent workshops the tools to maintain and repair this high-performance luxury vehicle, saving significant costs over dealership service.
        
     
 
    
    
    
        
            Overall Coverage:
        
        
            Complete Service & Repair Procedures A-Z
        
     
    
        
            Models Covered:
        
        
            All Models, Engines, Trim Levels, and Transmission Types
        
     
    
    
        
            Estimated Pages:
        
        
            Detailed coverage implies hundreds of pages; exact count not specified in product info.
        
     
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
        
            Language:
        
        
            Likely English (standard for downloadable service manuals of this nature)
        
     
    
    
        
            Format:
        
        
            Downloadable Digital File (PDF)
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine, Fuel System, Ignition System, Exhaust System, Transmission (Automatic), Drivetrain, Differentials
        
     
    
        
            Chassis:
        
        
            Suspension (Front and Rear), Steering System, Brake System (Hydraulic and Electronic Controls), Wheels and Tires
        
     
    
        
            Electrical:
        
        
            Engine Control Module (ECM), Body Control Module (BCM), Lighting System, Instrument Cluster, Power Accessories, HVAC Electrical, Audio System, Navigation System, Safety Systems (Airbags, ABS, Traction Control)
        
     
    
        
            Body:
        
        
            Exterior Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seats, HVAC Controls
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting Charts, Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II)
        
     
    
    
        
            Maintenance:
        
        
            Oil Changes, Filter Replacements, Fluid Top-offs and Replacements, Belt Inspections and Replacements, Spark Plug Replacement, Brake Pad and Rotor Replacement
        
     
    
        
            Repair:
        
        
            Engine Component Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Body Panel Repair and Replacement
        
     
    
        
            Troubleshooting:
        
        
            Step-by-step diagnostic procedures for common and uncommon faults across all systems
        
     
    
        
            Technical Specifications:
        
        
            Torque Specifications, Fluid Capacities and Types, Electrical Schematics, Component Dimensions and Tolerances
        
     
    
    
        
            Depth:
        
        
            Comprehensive from basic maintenance to advanced diagnostics and complete component rebuilds.
        
     
 
    
    
    
        
            File Type:
        
        
            PDF (Portable Document Format)
        
     
    
        
            Accessibility:
        
        
            Searchable text, printable pages (individual or full document), viewable on PC, MAC, tablets, and smartphones.
        
     
    
        
            Software Requirement:
        
        
            Adobe Reader (free download)
        
     
    
    
        
            Quality Assessment:
        
        
            High Quality (as stated in product description)
        
     
    
    
        
            Binding:
        
        
            Not Applicable (Digital Download)
        
     
    
    
        
            Paper Quality:
        
        
            Not Applicable (Digital Download)
        
     
 
    
    
    
        
            Engine Type:
        
        
            Naturally Aspirated V8
        
     
    
        
            Displacement:
        
        
            4.2 Liters (4,244 cc)
        
     
    
        
            Bore X Stroke:
        
        
            92.2 mm x 79.8 mm
        
     
    
        
            Compression Ratio:
        
        
            11.4:1
        
     
    
        
            Cylinder Head Design:
        
        
            DOHC (Double Overhead Camshaft), 4 Valves per Cylinder
        
     
    
        
            Engine Management:
        
        
            Bosch Motronic ME7.1.2 or similar electronic fuel injection system
        
     
    
    
        
            Horsepower:
        
        
            400 PS (395 hp; 294 kW) @ 7000 rpm
        
     
    
        
            Torque:
        
        
            451 Nm (333 lb-ft) @ 4,750 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Multi-point Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (Premium Unleaded Recommended)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            6-Speed Automatic Transaxle (ZF 6HP26)
        
     
    
    
        
            Optional Transmission:
        
        
            None offered for these model years in standard configurations.
        
     
    
    
        
            Gear Ratios:
        
        
            Specific ratios vary by application, but typical for this ZF unit. Manual override available via paddle shifters.
        
     
    
        
            Fluid Type:
        
        
            Mercon SP or equivalent (e.g., Pentosin ATF1)
        
     
    
        
            Transmission Capacity:
        
        
            Approx. 8.0 - 9.0 Liters (Check Manual for Exact Capacity)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 5,052 mm (198.9 in)
        
     
    
        
            Width:
        
        
            Approx. 1,871 mm (73.7 in) (Excluding Mirrors)
        
     
    
        
            Height:
        
        
            Approx. 1,438 mm (56.6 in)
        
     
    
        
            Wheelbase:
        
        
            Approx. 3,030 mm (119.3 in)
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 1,900 - 2,000 kg (4,189 - 4,409 lbs)
        
     
 
    
    
    
        
            Crash Test Information:
        
        
            Specific official ratings (NHTSA/Euro NCAP) for these specific model years may be limited; consult regional databases. Maserati vehicles of this era typically emphasize robust construction.
        
     
    
    
        
            Braking System:
        
        
            Ventilated Discs Front & Rear, ABS, EBD, Brake Assist
        
     
    
        
            Traction Control:
        
        
            ASR (Anti-Slip Regulation)
        
     
    
        
            Stability Control:
        
        
            MSP (Maserati Stability Program) - includes ESC (Electronic Stability Control)
        
     
    
    
        
            Airbags:
        
        
            Front Airbags, Side Airbags, Curtain Airbags (Front and Rear)
        
     
    
        
            Seatbelts:
        
        
            Pretensioners and Load Limiters
        
     
 
    
    
    
        
            Head Unit:
        
        
            Factory integrated infotainment system with CD player, radio, optional navigation.
        
     
    
        
            Audio System:
        
        
            Bose premium audio system often standard or optional.
        
     
    
    
        
            Cruise Control:
        
        
            Standard cruise control, likely adaptive cruise control as an option on later models or specific trims.
        
     
    
        
            Parking Assistance:
        
        
            Rear parking sensors standard; front sensors and rearview camera may be optional.
        
     
    
    
        
            Phone Integration:
        
        
            Bluetooth hands-free calling capability (may require specific modules).
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 10,000 miles or 12 months, whichever comes first (Consult manual for specific conditions).
        
     
    
        
            Major Service Intervals:
        
        
            Includes timing belt (if applicable, though this V8 uses a chain), spark plugs, transmission service, coolant flush at higher mileages (e.g., 60,000 - 100,000 miles).
        
     
    
    
        
            Engine Oil Type:
        
        
            Fully Synthetic SAE 0W-40 or 5W-40 (e.g., Mobil 1, Selenia K)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 9.5 Liters (10.0 US Quarts) (Dry Fill)
        
     
    
        
            Coolant Type:
        
        
            Maserati Blue Antifreeze or equivalent (Ethylene Glycol based)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 High Performance
        
     
    
    
        
            Common Wear Items:
        
        
            Suspension bushings, brake components, ignition coils, lambda sensors, door lock actuators, window regulators.
        
     
    
        
            Electrical Gremlins:
        
        
            Can be susceptible to minor electrical issues due to complex systems; thorough diagnosis is key.
        
     
    
        
            Exhaust System:
        
        
            Occasionally requires attention due to heat and environmental factors.
        
     
 
    
    
    
        
            Founding:
        
        
            Founded in Bologna, Italy, in 1914 by the Maserati brothers. Renowned for racing heritage and luxury grand tourers.
        
     
    
    
        
            Quattroporte Lineage:
        
        
            The Quattroporte nameplate signifies a 'four-door' sedan, with a long history in Maserati's lineup, evolving through various iterations of luxury and performance.
        
     
    
        
            M139 Introduction:
        
        
            The M139 generation debuted in 2003, representing a significant redesign and reintroduction of the Quattroporte nameplate into the modern luxury sedan market.
        
     
    
    
        
            Manufacturing Location:
        
        
            Grugliasco, Turin, Italy
        
     
    
        
            Production Years:
        
        
            2003-2013 (M139 generation)