This comprehensive Maserati Quattroporte 1979-1990 Workshop Repair Service Manual provides detailed instructions, illustrations, and specifications for maintaining and repairing your vehicle. It covers a wide range of topics, including:

- **General Maintenance:** Learn about routine maintenance procedures like oil changes, filter replacements, and fluid checks.
- **Troubleshooting:** Find step-by-step guides to identify and resolve common issues with your Maserati Quattroporte.
- **Engine Service and Repair:** Detailed information on repairing and servicing the engine, including components like the cylinder head, pistons, and valves.
- **Transmission Service and Repair:** Comprehensive instructions on maintaining and repairing the transmission, addressing issues like shifting problems and fluid leaks.
- **Brake System:** Thorough coverage of the brake system, including the calipers, rotors, pads, and master cylinder.
- **Wiring Diagram:** Clear and detailed wiring diagrams to help you understand and troubleshoot electrical issues.
- **Electrical System:** Extensive information about the vehicle's electrical components, including the battery, alternator, starter, and wiring harnesses.
- **Suspension:** Detailed information on diagnosing and repairing suspension problems, covering components like struts, shocks, springs, and control arms.
- **Periodic Lubrication:** Guidance on proper lubrication intervals and procedures for various components.
- **Steering:** Details on the steering system, including the steering wheel, rack and pinion, and power steering components.
- **Cooling System:** Instructions for servicing and repairing the cooling system, encompassing the radiator, water pump, thermostat, and hoses.
- **Fuel Injection and Fuel System:** In-depth coverage of the fuel injection system, including the fuel pump, injectors, and fuel lines.
- **Emission System:** Information on diagnosing and repairing emissions-related problems, covering components like the catalytic converter and oxygen sensors.
- **Heater and Air Conditioner:** Instructions for maintaining and repairing the heating and air conditioning systems.
- **Engine Control System:** Guidance on troubleshooting and repairing the engine control system, which includes the ECU and sensors.
- **Chassis and Body:** Information on repairing the vehicle's chassis and body, covering issues like rust, dents, and paint damage.
- **Restraint System:** Detailed instructions on servicing and repairing the restraint system, including the seatbelts and airbags.
- **Interior:** Information on repairing and replacing interior components, such as upholstery, door panels, and dashboard.
- **Differential and Drive:** Guidelines for servicing and repairing the differential and drive axles.
- **Axle:** Details on the rear axle, including the axle shafts, bearings, and differential.

With this manual, you'll have the knowledge and resources you need to confidently perform maintenance and repairs on your Maserati Quattroporte, saving you time and money.

The Maserati Quattroporte, a name synonymous with Italian luxury and performance, enjoyed a remarkable second generation from 1979 to 1990. This iteration, known as the Series II, retained the sleek and elegant design language of its predecessor while incorporating significant updates that enhanced its practicality and performance. The Quattroporte II was built upon a lengthened version of the Maserati Khamsin chassis, providing ample space for four occupants and their luggage. The iconic Pininfarina-designed bodywork was characterized by its flowing lines, prominent chrome accents, and a distinctive sharknose front end. Inside, the Quattroporte II offered a luxurious cabin appointed with premium materials like supple leather and wood. The dashboard featured a classic layout with a central gauge cluster and ergonomic controls.

The defining feature of the Quattroporte II was its powerful 4.9-liter V8 engine, producing a healthy 280 horsepower and 300 lb-ft of torque. This engine, coupled with a robust five-speed manual transmission, propelled the Quattroporte II to a top speed of 140 mph and delivered a thrilling driving experience. The car's independent suspension, featuring double wishbones at the front and a De Dion axle at the rear, provided a comfortable ride and excellent handling. Despite its imposing size, the Quattroporte II remained nimble and agile, making it a true grand tourer capable of tackling both city streets and open highways with equal aplomb. Throughout its production run, the Quattroporte II proved to be a highly sought-after and collectible vehicle, representing the pinnacle of Italian automotive craftsmanship and performance during the 1980s.