Maserati Biturbo Complete Workshop Service Repair Manual 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994

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🏷️ Basic Information Identification Make: Maserati Model: Biturbo Covered Years: 1981-1994 Codes Chassis Codes: AM330, AM331, AM332, AM333, AM334, AM335, AM336, AM337, AM338, AM339, AM430, AM434, AM438 👋 Introduction Market...

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Type: Car

Vendor:

Sku: 200673

Tags: 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 Biturbo Car Cars Maserati

Product variants

Description

🏷️ Basic Information

Identification

Make:

Maserati

Model:

Biturbo

Covered Years:

1981-1994

Codes

Chassis Codes:

AM330, AM331, AM332, AM333, AM334, AM335, AM336, AM337, AM338, AM339, AM430, AM434, AM438

👋 Introduction

Market Position

Segment:

Luxury Sport Coupe/Sedan

Target Audience:

Enthusiasts seeking to maintain and repair their Maserati Biturbo

Competitive Analysis

Competitors:

BMW 3 Series, Mercedes-Benz W123/W201, Alfa Romeo GTV/Alfetta

Key Features

Unique Selling Proposition:

Comprehensive coverage for a complex and iconic Italian sports car, enabling DIY maintenance and repair

Ease Of Use:

Step-by-step instructions and pictures for simplified repairs

📋 Manual Details

Coverage Areas

Documentation Scope:

Complete Workshop Service & Repair Procedures A-Z

Model Coverage:

All Models/Engines/Trim/Transmission Types

Page Count

Estimated Pages:

Extensive (specific count not provided, but implies comprehensive coverage)

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Digital Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine:

Detailed diagnostics, overhaul, tuning, fuel injection, ignition, lubrication, cooling

Transmission:

Manual and automatic transmission service, overhaul, diagnostics, fluid specifications

Drivetrain:

Clutch, differential, driveshafts, axles, wheel bearings

Suspension:

Front and rear suspension components, alignment, shock absorbers, springs

Steering:

Power steering system, steering rack, linkages, wheel alignment

Brakes:

Hydraulic system, ABS (if equipped), disc brakes, pads, rotors, calipers, parking brake

Electrical:

Wiring diagrams, battery, alternator, starter, lighting, gauges, ignition system, fuse box layout

Fuel System:

Carburetor (Weber/Zenith), fuel injection (Bosch LE2-Jetronic/K-Jetronic), fuel pumps, lines, tank

Bodywork:

Body panel repairs, doors, windows, locks, interior trim, rust prevention

Climate Control:

Air conditioning system, heater core, ventilation, blower motor

Procedures Included

Maintenance:

Oil changes, filter replacements, spark plugs, coolant checks, belt adjustments

Troubleshooting:

Diagnostic flowcharts, common problem identification, electrical fault finding

Repair:

Component replacement, adjustments, rebuilding of major systems

Installation:

Component installation, accessory fitting

Specifications:

Torque values, clearances, fluid capacities, electrical specifications

Technical Depth

Depth:

Comprehensive from basic maintenance to in-depth engine and transmission rebuilding

📊 Manual Specifications

File Format

Format:

Searchability:

Searchable text content (likely)

Print Quality

Printability:

High-quality, printable pages

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

V6 Twin-Turbocharged

Displacement:

2.0L (1996 cc) primarily, with later larger displacements (e.g., 2.5L, 2.8L)

Engine Type

Engine Codes:

AM273

Performance

Horsepower Range:

180-255 hp (depending on model, year, and tuning)

Torque Range:

200-300 lb-ft (depending on model, year, and tuning)

Fuel System

Fuel Delivery:

Weber carburetors or Bosch K-Jetronic/LE2-Jetronic fuel injection

Valve Train

Valve Train Configuration:

DOHC, 4 valves per cylinder

Cooling System

Cooling Type:

Water-cooled

Lubrication System

Oil Type Recommendation:

API SG or higher, 10W-40 or 15W-50 synthetic recommended

🔧 Transmission

Standard

Type Standard:

5-speed manual

Optional

Type Optional:

3-speed automatic (e.g., ZF)

Features

Transmission Fluid Specification:

Dexron III or equivalent for automatic transmissions

Clutch Type:

Hydraulic single dry plate

📐 Dimensions

Exterior

Body Styles:

2-door Coupe, 4-door Sedan, 2-door Convertible (Spyder)

Wheelbase Range:

approx. 2550-2600 mm (depending on model)

Length Range:

approx. 4350-4500 mm (depending on model)

Width Range:

approx. 1700-1750 mm (depending on model)

Height Range:

approx. 1300-1350 mm (depending on model)

Weights

Curb Weight Range:

approx. 1300-1450 kg (depending on model and equipment)

🛡️ Safety Features

Ratings

Crash Safety Design:

Modern (for its era) structural design with crumple zones

Active Features

Optional Anti-lock Braking System (ABS) on later models

Passive Features

Seatbelts:

3-point seatbelts

Headrests:

Adjustable front headrests

💡 Technology Features

Infotainment

Audio System:

Cassette player and radio, often with a graphic equalizer

Gauges:

Comprehensive analog gauge cluster including boost pressure gauge

Driver Assistance

Cruise Control:

Available as an option on some models

Connectivity

Connectivity Features:

N/A (period-appropriate technology)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000 - 7,500 km (3,000 - 5,000 miles) or 6-12 months

Spark Plug Replacement Interval:

Every 20,000 - 30,000 km (12,000 - 18,000 miles)

Timing Belt Replacement Interval:

Every 50,000 - 60,000 km (30,000 - 37,000 miles) or 4-5 years (critical component)

Fluid Specifications

Engine Oil Capacity:

Approx. 5.5 - 6.0 Liters (with filter, depending on engine variant)

Coolant Type:

Ethylene glycol based coolant, 50/50 mix with distilled water

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Carburetor Tuning:

Tendency for carburetors to require frequent adjustment and synchronization

Turbocharger Reliability:

Early models' turbochargers could be prone to premature failure if not properly maintained or driven

Electrical System Gremlins:

Aging wiring and connectors can lead to intermittent electrical faults

Rust Tendency:

Susceptible to rust, especially in common areas like wheel wells, sills, and around windows

Dashboard Cracking:

The dashboard material can crack and degrade over time due to UV exposure and heat

📚 Vehicle History

Brand Heritage

Brand Focus:

Performance luxury vehicles with racing pedigree

Model Evolution

Introduction Year:

Key Models:

Biturbo, 2.5i, 2.8i, Racing, Si, E, II, III, 3.2, 3.3

Body Style Expansion:

Initially coupe, later sedan (425, 490) and convertible variants

Production

Production Period:

1981-1994

Manufacturing Location:

Modena, Italy

Ownership Changes:

Development and production occurred during periods of different ownership (De Tomaso, Maserati S.p.A.)

🏆 Awards & Recognition

Recognitions

Performance Accolades:

Recognized for its potent twin-turbo V6 engine and stylish Italian design, a significant offering in the luxury sports sedan/coupe market of its time.