Vehicle Segment:
Luxury Full-Size Sedan
Competitors:
Jaguar XJ, Mercedes-Benz S-Class, BMW 7 Series, Rolls-Royce Silver Spirit/Spur
Unique Selling Points Vehicle:
Distinctive Italian styling, powerful V8 and V12 engine options, emphasis on grand touring comfort and performance.
Unique Selling Points Manual:
Instant accessibility, comprehensive A-Z coverage, detailed illustrations and wiring diagrams for DIY repairs.
Mechanical Systems:
Engine (all variants), Transmission (all variants), Drivetrain, Suspension, Steering, Brakes, Exhaust, Cooling, Fuel
Electrical Systems:
Wiring Diagrams, Ignition, Lighting, Charging System, Starting System, Instrument Panel, Power Accessories, Engine Control Unit (ECU)
Body And Chassis:
Body Panels, Interior Trim, Doors, Windows, Body Structure, Frame (if applicable)
Maintenance:
Routine Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replenishments, Belt Inspections and Adjustments, Spark Plug Replacement
Repair:
Engine Overhaul, Transmission Repair, Brake System Overhaul, Suspension Component Replacement, Steering System Repair, Electrical Component Diagnosis and Repair, Bodywork Repairs
Diagnostics:
Troubleshooting Guides, Fault Code Interpretation (if applicable to era), Symptom-Based Diagnostics
Depth:
Comprehensive: From basic servicing to in-depth repairs and rebuilds, including diagnostic procedures.
Format Details:
Adobe PDF, universally compatible with PC, MAC, and Linux operating systems.
Quality:
High-resolution scanned pages for clarity of text and diagrams.
Binding:
Not Applicable (Digital Download)
Paper:
Not Applicable (Digital Download)
Engine Options:
3.0L V6, 4.9L V8 (including performance variants like the 4.9L QV8), 4.7L V8 (for later QP3 models), 4.8L V12 (for specific QP3 models)
Power Output Range:
Approximately 210 hp (for early V6) up to 300+ hp (for performance V8 and V12 variants).
Torque Output Range:
Varies significantly by engine; V8 and V12 models offer substantial torque for effortless cruising.
Injection Type:
Bosch L-Jetronic (early models), Bosch Motronic (later models), Fuel Injection
Common Engine Codes:
Examples: AM.274 (4.9L V8), AM.447 (4.7L V8), AM.477 (5.0L V8), various codes for V12 variants.
Standard Transmission:
3-Speed Automatic (Chrysler Torqueflite variant), 5-Speed Manual (less common, primarily on V8 models)
Optional Transmission:
4-Speed Automatic (on some models/variants)
Transmission Type:
Rear-Wheel Drive (RWD)
Automatic Transmission Fluid:
Dexron III or equivalent (refer to manual for exact specification for specific transmission type)
Length:
Approximately 5000-5100 mm (197-201 inches), varies slightly by year/specification.
Width:
Approximately 1800-1850 mm (71-73 inches).
Height:
Approximately 1350-1400 mm (53-55 inches).
Curb Weight:
Typically 1700-1900 kg (3750-4190 lbs), depending on engine and options.
Safety Ratings Era:
Vehicle safety standards were less stringent than modern times; manual will detail passive safety features available for the era.
Active Safety:
Four-wheel disc brakes, often ventilated front discs.
Passive Safety:
Reinforced body structure, seat belts, impact-absorbing steering column.
Infotainment System Era:
Analog or early digital radio systems, often with cassette player. Limited to basic audio functions.
Driver Assistance Features:
Basic features for the era, such as power steering, ABS (Anti-lock Braking System) on some models.
Connectivity Options:
Minimal by modern standards; primarily focused on the vehicle's mechanical and electrical systems.
Oil Change Interval:
Typically every 5,000-7,500 km (3,000-5,000 miles) or 6-12 months, depending on usage and specific engine. Consult manual for exact recommendation.
Major Service Interval:
Spark plug replacement, timing belt inspection/replacement (if applicable to engine variant), coolant flush typically around 30,000-60,000 km (20,000-40,000 miles). Specific intervals detailed in manual.
Engine Oil Viscosity:
SAE 10W-40 or 20W-50 recommended for many older Maserati engines; consult manual for exact specification based on climate and engine type (e.g., API SG or higher).
Coolant Type:
Ethylene glycol based antifreeze (typically 50/50 mix with distilled water). Refer to manual for specific Maserati recommended coolant.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendation).
Common Wear Items:
Carburetor tuning (if equipped), fuel pump reliability, suspension bushings, electrical connectors and relays, climate control systems.
Engine Specific Considerations:
Valve adjustment for V8 engines, potential for head gasket leaks on high-mileage units, carburetor synchronization.
Oil Filter Example:
Mann-Filter W114/2, Mahle OC 27, or equivalent (verify with manual or parts catalog).
Brand Identity:
Maserati is an Italian luxury car manufacturer with a rich racing heritage and a focus on performance, style, and exclusivity.
Quattroporte History:
The Quattroporte nameplate signifies Maserati's four-door luxury sedan, with each generation offering a blend of performance and Italian design.
Quattroporte Iii Production Years:
1979-1990
Manufacturing Location:
Modena, Italy
Automotive Press Reviews:
Recognized for its powerful engines, luxurious interior, and distinctive Italian styling. Often praised as a sophisticated GT.
Classic Car Value:
Highly regarded by enthusiasts and collectors, often appreciating in value as a classic Italian performance luxury car.
