Mitsubishi Diamante 1990-2000 Workshop Service Repair Manual

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Tipo: Car

Proveedor:

SKU: 70424

Etiquetas: 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Car Cars Diamante Mitsubishi

Variantes de producto

Descripción

The Mitsubishi Diamante is a full-size/mid-size luxury sedan produced from 1990 through 2000, covering the 1st Generation (1990-1996) and early models of the 2nd Generation (1997-2004). Known for its comfortable ride, spacious interior, and advanced features for its era, the Diamante aimed to provide an upscale experience, often competing with established luxury brands. It was distinguished by its powerful V6 engines, ranging from 3.0L to 3.5L, and the availability of an electronically controlled All-Wheel Drive system on select configurations. These attributes, coupled with its unique styling, positioned the Diamante as Mitsubishi's flagship sedan, offering a compelling blend of performance, comfort, and value in the premium segment. This comprehensive workshop service repair manual in English provides in-depth guidance for maintaining and repairing the Mitsubishi Diamante across its covered model years and chassis codes (F15A, F17A, F25A, F27A, F31A, F36A). It covers a vast array of systems, including engine mechanicals and management, transmission (automatic and manual), drivetrain, brakes, suspension, steering, cooling, fuel, electrical, HVAC, chassis, body, and restraint systems. The manual details scheduled maintenance, fluid changes, component repairs, and diagnostics, offering systematic troubleshooting procedures and clear repair instructions. This resource is invaluable for both DIY owners seeking to perform upkeep and professionals requiring precise technical specifications and repair methodologies for efficient and accurate servicing.

🏷️ Basic Information

Identification

Make:

Mitsubishi

Model:

Diamante

Model Years Covered:

1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000

Generations Covered:

1st Generation (1990-1996), 2nd Generation (1997-2004) - Early Models

Codes

Chassis Codes:

F15A, F17A, F25A, F27A, F31A, F36A

👋 Introduction

Market Position

Segment:

Full-size/mid-size luxury sedan.

Competitive Analysis

Key Competitors:

Toyota Avalon, Lexus ES, Infiniti J30, Buick Park Avenue, Ford Taurus/Mercury Sable (higher trims).

Key Features

Distinguishing Features:

Known for its comfortable ride, spacious interior, advanced features for its era, and a more upscale image compared to mainstream sedans. Offered with powerful V6 engines and available AWD.

Manual Value Proposition

Value For Diyers:

Essential for DIY owners to perform maintenance and repairs, saving significant costs compared to dealership services. Provides clarity on complex procedures and troubleshooting.

Value For Professionals:

A valuable reference for independent mechanics to quickly access factory specifications, procedures, and wiring diagrams for efficient and accurate repairs.

📋 Manual Details

Coverage Areas

Primary Coverage:

North America, Japan (Domestic Market - JDM)

Page Count

Estimated Page Count:

1000+

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine disassembly, assembly, troubleshooting, diagnostics, components (pistons, rings, crankshaft, camshaft, valves, cylinder head, block), timing belt/chain, seals, gaskets.

Engine Management:

Fuel injection systems (MPI, GDI - if applicable), ignition system, emission control systems, sensors, actuators, ECU diagnostics.

Transmission:

Automatic transmission (AT) service and repair, manual transmission (MT) service and repair (if applicable), clutch system, torque converter, transmission control unit (TCU).

Drivetrain:

Front-wheel drive (FWD), All-wheel drive (AWD) system service, differentials, axles, CV joints, driveshafts.

Brakes:

Hydraulic brake system, disc brakes, drum brakes (if applicable), ABS system, parking brake, brake fluid, bleeding procedures, components.

Suspension:

Front suspension (MacPherson strut, multi-link), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, alignment procedures.

Steering:

Power steering system, steering rack, steering column, linkages, troubleshooting.

Cooling System:

Radiator, water pump, thermostat, hoses, fan, coolant types, capacity, flushing procedures.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, fuel pressure regulation.

Electrical System:

Battery, charging system (alternator), starting system (starter), lighting system, fuses, relays, wiring diagrams for all circuits.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system service, refrigerant, compressor, evaporator, condenser, blower motor.

Chassis Body:

Body panel removal/installation, structural components, doors, hood, trunk, bumpers, chassis lubrication.

Restraint System:

Airbag system components, seatbelts, SRS diagnostics.

Interior:

Trim panel removal/installation, seats, dashboard, console, carpeting.

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes (oil, coolant, brake, transmission, power steering), filter replacements, spark plug service, belt inspection/replacement.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts.

Repair:

Detailed step-by-step instructions for component removal, repair, and installation across all covered systems.

Diagnostics:

On-board diagnostics (OBD-I/OBD-II if applicable), sensor testing, actuator testing, electrical circuit testing.

Electrical Diagnostics:

Fuse and relay testing, wiring continuity checks, component voltage testing, multimeter usage guidance, wiring diagram interpretation.

Technical Depth

Depth:

Comprehensive. Covers everything from basic fluid checks and filter replacements to complete engine and transmission overhauls, including in-depth electrical system diagnostics and bodywork repairs.

📊 Manual Specifications

File Format

Format:

Print Quality

Printability:

Fully printable without restrictions.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Format)

Digital Features

Searchability:

Likely searchable text within PDF (dependent on original source scan quality).

Delivery

Delivery Method:

Instant PDF download after payment.

Requirements

Software Required:

Adobe Acrobat Reader or compatible PDF viewer.

⚙️ Engine Specifications

Primary Engine

Engine 1 Variant:

6G72 (3.0L V6 SOHC)

Engine 1 Displacement:

2972 cc

Engine 1 Horsepower Est:

150 - 170 hp

Engine 1 Torque Est:

170 - 185 lb-ft

Secondary Engine

Engine 2 Variant:

6G74 (3.5L V6 SOHC/DOHC)

Engine 2 Displacement:

3497 cc

Engine 2 Horsepower Est:

180 - 210 hp (SOHC), 210 - 245 hp (DOHC - later models/JDM)

Engine 2 Torque Est:

205 - 230 lb-ft (SOHC), 230 - 250 lb-ft (DOHC)

Performance

Fuel Type:

Unleaded Gasoline

Fuel System

Fuel Delivery:

Multi-Point Fuel Injection (MPI) standard. Some later models or JDM variants may have used Gasoline Direct Injection (GDI) in specific configurations.

Components

Engine Block Material:

Cast Iron

Cylinder Head Material:

Aluminum

Timing Mechanism:

Timing Belt (6G72, early 6G74 SOHC) or Timing Chain (later 6G74 DOHC, some variants).

🔧 Transmission

Standard

Transmission Type Standard:

4-speed Automatic Transmission (F4A51, V4A51)

Optional

Transmission Type Optional:

5-speed Manual Transmission (e.g., W5M33) was available on some performance trims or JDM models.

Features

Traction Control System:

Available on some models, particularly with AWD.

All Wheel Drive:

Electronically controlled Active All-Wheel Drive (AWC) system available on select trims and engine configurations.

Fluid Specifications

Atf Type:

Dexron III or equivalent (check specific model year for precise specification, e.g., Diamond ATF SP-III).

📐 Dimensions

Exterior

Length:

Approx. 189.0 - 193.0 inches (depending on generation and specific model)

Width:

Approx. 70.5 - 71.5 inches

Height:

Approx. 55.0 - 56.0 inches

Wheelbase

Wheelbase:

Approx. 107.7 inches

Weights

Curb Weight Est:

3400 - 3700 lbs (depending on configuration)

🛡️ Safety Features

Ratings

NHTSA Ratings:

Early models generally had moderate safety ratings; later models improved. Specific ratings vary by year and testing agency. Consult relevant databases for detailed crash test results.

Passive Features

Airbags:

Driver and front passenger airbags standard on most models from early 1990s onwards. Side airbags became optional or standard on later models.

Seatbelts:

3-point front and rear seatbelts. Pretensioners for front seatbelts on many models.

Crumple Zones:

Designed with front and rear crumple zones for impact energy absorption.

Active Features

Anti-lock Braking System (ABS) available/standard on most trims.

💡 Technology Features

Infotainment

Audio System:

Factory premium audio systems with cassette decks, CD players (later models), and multiple speakers. Some models offered Nakamichi or Bose sound systems.

Climate Control:

Automatic climate control with digital displays on higher trims. Manual HVAC on base models.

Driver Assistance

Cruise Control:

Standard on most trims.

Traction Control:

Available on certain models, particularly those with AWD.

Connectivity

Early Telematics:

No advanced connectivity features like Bluetooth or USB ports in the modern sense. Some models might have had early voice recognition or integrated phone options for their time.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used. Refer to the manual for specific recommendations.

Engine Coolant Flush:

Recommended every 30,000 miles or 2-3 years.

Transmission Fluid Change:

Recommended every 30,000-60,000 miles, especially for automatic transmissions. Consult the manual for specific intervals and fluid type.

Timing Belt Replacement:

Critical for 6G72 and early 6G74 engines. Typically recommended every 60,000-90,000 miles. Failure can cause catastrophic engine damage.

Fluid Specifications

Engine Oil Viscosity:

10W-30 or 5W-30 (depending on climate and specific engine variant). Check manual for exact specifications.

Engine Oil Capacity Est:

4.5 - 5.5 Quarts (with filter)

Coolant Type:

Ethylene Glycol based, typically requiring a 50/50 mix of coolant and distilled water.

Power Steering Fluid:

Typically Dexron II/III or a specific Mitsubishi power steering fluid.

Known Issues

Engine Mounts:

Can degrade over time, leading to increased vibration and harshness.

Automatic Transmission Slipping:

Some transmissions may experience slipping or harsh shifting, often due to wear or fluid issues. Proper maintenance is key.

Suspension Component Wear:

Control arm bushings, ball joints, and tie rod ends can wear, leading to steering looseness and tire wear.

HVAC Blower Motor Failure:

Blower motor resistors or the motors themselves can fail, leading to no airflow or intermittent operation.

Window Regulator Failure:

Power window mechanisms can fail, preventing windows from operating.

📚 Vehicle History

Brand Heritage

Mitsubishi Positioning:

Mitsubishi positioned the Diamante as its flagship sedan, aiming to compete in the premium segment with a focus on technology, comfort, and performance.

Model Evolution

Generation 1 1990-1996:

Launched with distinctive styling, powerful V6 engines, and available AWD. Based on the Mitsubishi Sigma platform.

Generation 2 1997-2004:

Revised styling, more powerful engine options (including the 3.5L V6 DOHC), improved interior amenities. Continued to offer AWD. Production ended for the North American market in 2004.

Production

Manufacturing Locations:

Primarily manufactured in Japan.

Sales Trend:

Sales were moderate, often overshadowed by more established luxury brands. Competed well in terms of features and value but struggled to gain significant market share in the luxury segment.

🏆 Awards & Recognition

Recognitions

Car And Driver Reviews:

Often reviewed by automotive publications like Car and Driver, MotorTrend, typically praising its comfort and value, though sometimes critiquing its handling compared to European rivals.

Industry Awards:

Specific awards are not widely documented for the Diamante, but it was recognized for offering a good balance of luxury, features, and performance for its price point.