Vehicle Segment:
Full-size Luxury Sedan
Brand Philosophy:
Maserati historically represents a blend of performance, luxury, and Italian design, often appealing to a discerning clientele seeking exclusivity and sporting pedigree.
Competitors:
During its production run, the Quattroporte IV competed with other high-end luxury sedans such as the Mercedes-Benz S-Class, BMW 7 Series, Jaguar XJ, and certain models from Porsche and Bentley.
Design Philosophy:
The Quattroporte IV, particularly under the de Tomaso ownership, featured a distinctive Italian design language, often characterized by sharp lines and a sophisticated yet sporty aesthetic, differentiating it from its more conservative German rivals.
Manual Value Proposition:
This manual offers Maserati owners and independent specialists invaluable technical data and procedures for maintaining and repairing the complex V6 engines powering the Quattroporte IV, ensuring its longevity and optimal performance.
Engine Sound:
The V6 'Busso' engine is renowned for its distinctive, exhilarating exhaust note, a signature characteristic of performance Maseratis.
Engine Systems:
Engine mechanical, engine electrical, fuel system, ignition system, lubrication system, cooling system, exhaust system, emissions control, engine diagnostics, turbocharging (if applicable to specific variants)
Turbocharging Details:
If specific variants are twin-turbocharged (e.g., some Bi-Turbo models shared architecture), the manual would cover turbocharger inspection, repair, and boost pressure diagnostics.
Repair Procedures:
Engine disassembly, assembly, overhaul, component replacement, timing belt/chain service, piston and connecting rod service, cylinder head service, crankshaft and bearing service
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, belt inspection and replacement, fluid level checks and top-ups
Diagnostic Procedures:
Troubleshooting charts, symptom analysis, error code interpretation (if applicable to OBD-I/II systems of the era), electrical system diagnostics
Engine Diagnostics:
Includes step-by-step diagnostic procedures for common engine faults, troubleshooting electrical issues, and interpreting sensor readings.
Depth Of Information:
Comprehensive, designed for professional technicians, includes detailed specifications, tolerances, and torque values
Engine Code 2.0L:
Likely derived from Alfa Romeo V6 'Busso' architecture, modified for Maserati
Engine Code 2.8L:
Likely derived from Alfa Romeo V6 'Busso' architecture, modified for Maserati
Displacement 2.0L:
1,996 cc
Horsepower 2.0L:
287 PS (211 kW)
Displacement 2.8L:
2,790 cc
Horsepower 2.8L:
284 PS (209 kW)
Induction:
Naturally Aspirated (Likely, for these specific engine codes within this generation)
Fuel Delivery:
Fuel Injection (Likely Electronic Fuel Injection - EFI)
Cylinder Block Material:
Aluminum Alloy
Cylinder Head Material:
Aluminum Alloy
Valvetrain:
DOHC (Double Overhead Camshafts), 4 valves per cylinder, based on the Alfa Romeo 'Busso' V6 design principles.
Transmission Type Common:
Automatic Transmission (Likely ZF 4HP or similar)
Transmission Type Optional:
Manual Transmission (Less common for this model and era in luxury sedans, but potentially available in specific markets or trims)
Drive Type:
Front-Wheel Drive (FWD)
Automatic Transmission Fluid Type:
Requires specific ATF compatible with ZF transmissions of that era (e.g., Dexron II/III, consult manual for exact spec)
Length:
Approx. 4,970 mm (195.7 in)
Width:
Approx. 1,840 mm (72.4 in)
Height:
Approx. 1,430 mm (56.3 in)
Curb Weight Approx:
Approx. 1,700 - 1,800 kg (3,748 - 3,968 lbs), varies by engine and equipment
Crash Test Data:
Limited readily available standardized crash test data for this specific model and era from common agencies like NHTSA or Euro NCAP compared to modern vehicles. Maserati focused on robust construction.
Braking System:
Anti-lock Braking System (ABS) standard on most models
Traction Control:
Traction Control System (TCS) potentially available on later models or as an option.
Airbags:
Driver and front passenger airbags standard.
Seatbelts:
Three-point inertia-reel seatbelts with pre-tensioners.
Audio System:
Typically featured premium audio systems from brands like Blaupunkt or Clarion, often with cassette player and AM/FM radio. CD changer might have been an option.
Climate Control:
Automatic climate control system standard, offering dual-zone or multi-zone temperature regulation.
Cruise Control:
Electronic cruise control standard.
Diagnostic Interface:
OBD-I or early OBD-II diagnostic port depending on the specific production year and market. Manual will detail diagnostic procedures.
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first. Consult manual for exact recommendation.
Timing Belt Replacement:
Crucial for the V6 engine; interval typically around 70,000-100,000 km (43,000-60,000 miles) or 5-7 years. Failure can cause catastrophic engine damage. Manual will specify.
Spark Plug Replacement Interval:
Intervals vary based on plug type (copper, platinum, iridium); typically between 40,000-100,000 km. Manual specifies correct type and interval.
Engine Oil Type Spec:
Requires high-quality synthetic or semi-synthetic engine oil, viscosity grade typically 10W-40 or 5W-40, meeting specific API/ACEA standards. Exact spec in manual.
Coolant Type:
Ethylene glycol-based coolant, typically a long-life type. Manual will specify correct mix ratio and spec.
Brake Fluid Type:
DOT 4 brake fluid (standard for most vehicles of this era).
Power Steering Fluid Type:
Specific power steering fluid, consult manual for type (e.g., ATF or dedicated hydraulic fluid).
Common Wear Items:
Suspension components, ignition coils, fuel injectors, and electronics can be potential wear items given the age and luxury focus.
Engine Specific Concerns:
Proper maintenance of the timing belt and associated components (tensioners, idlers) is paramount to prevent severe engine damage. Regular oil changes are critical.
Critical Torque Values:
Manual provides precise torque specifications for cylinder head bolts, main bearing caps, rod bolts, and other critical engine components.
Founding Principles:
Founded in 1914 in Bologna, Italy, Maserati has a rich heritage in motorsport and luxury automotive engineering, renowned for performance and distinctive style.
Quattroporte Lineage:
The Quattroporte nameplate has been used for Maserati's flagship sedan since 1963, signifying a four-door sports car.
Quattroporte Iv Design Inspiration:
Designed by Marcello Gandini, known for his work with Lamborghini, the Quattroporte IV presented a more angular and aggressive aesthetic compared to its predecessors.
Production Period:
1994-2001
Ownership Context:
Produced during the period when Maserati was owned by Fiat and later by de Tomaso.
