🏷️ Basic Information

Make:

Mitsubishi

Model:

Eclipse

Model Generations Covered:

First Generation (D20), Second Generation (D30)

Year Range:

1990-1998

👋 Introduction

Segment:

Compact Sports Car / Coupe

Key Selling Points:

Performance, distinctive styling, available turbocharged engines, AWD option.

Competitors:

Honda Civic Si, Acura Integra, Toyota Celica, Nissan Sentra SE-R, Ford Probe.

Design Philosophy:

Sporty, aerodynamic styling with a focus on performance driving dynamics.

Platform Sharing:

First generation shared platform with the Dodge/Plymouth Colt and Eagle Summit. Second generation shared platform with Chrysler's."Small Car" platform (MCA).

📋 Manual Details

Coverage Scope:

Complete Factory Service Repair Manual

Estimated Page Count:

Extensive (typically 1000+ pages for full factory manuals)

Type:

Service and Repair Manual

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, lubrication system, cooling system, timing belt/chain.

Engine Performance:

Fuel injection system (MPI, GDI), ignition system, emission control systems (EGR, EVAP), turbocharger systems (for turbo models).

Transmission Manual:

Clutch, gearbox internals, shift mechanism, related hydraulics.

Transmission Automatic:

Torque converter, planetary gear sets, valve body, hydraulic controls, electronic controls.

Drivetrain:

Front-wheel drive (FWD) and All-wheel drive (AWD) systems, drive axles, differentials, transfer case (AWD).

Suspension:

Front and rear suspension components (struts, shocks, control arms, bushings, sway bars), alignment specifications.

Steering:

Steering gear, power steering system (pump, rack, hoses), steering column.

Brakes:

Brake system components (discs, pads, calipers, master cylinder, lines, ABS components), hydraulic pressure specifications.

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting system, fuses, relays, wiring diagrams.

Body And Interior:

Body panel removal/installation, door mechanisms, interior trim, seats, HVAC system (heating, ventilation, air conditioning), body sealing.

Diagnostics And Troubleshooting:

Diagnostic trouble codes (DTCs), symptom-based troubleshooting, component testing procedures.

Scheduled Maintenance:

Oil changes, filter replacements, fluid checks and flushes, spark plug replacement, belt inspections and replacement.

Major Repairs:

Engine overhauls, transmission rebuilds, suspension component replacement, brake caliper replacement, turbocharger installation/repair.

Diagnostics:

Using diagnostic tools, interpreting sensor data, identifying fault causes.

Adjustment Procedures:

Throttle cable adjustment, parking brake adjustment, idle speed adjustment (on applicable models).

Component Testing:

Testing fuel injectors, ignition coils, sensors, actuators, relays, and other electrical components.

Depth:

Comprehensive, from basic maintenance to full engine and transmission rebuilds.

Diagnostic Capabilities:

Includes detailed troubleshooting flowcharts and diagnostic procedures, often referencing specific scan tool data interpretation.

📊 Manual Specifications

Digital Format:

PDF

Readability:

High-resolution scans with clear text and legible diagrams.

Binding:

N/A (Digital)

Paper Quality:

N/A (Digital)

⚙️ Engine Specifications

Engine Code 1:

4G63 (Naturally Aspirated)

Displacement 1:

2.0 Liters (1997cc)

Configuration 1:

Inline-4, DOHC, 16-valve

Horsepower 1:

Approx. 135-140 hp

Torque 1:

Approx. 125-130 lb-ft

Fuel System 1:

Multi-point Fuel Injection (MPI)

Engine Code 2:

4G63T (Turbocharged)

Displacement 2:

2.0 Liters (1997cc)

Configuration 2:

Inline-4, DOHC, 16-valve, Turbocharged

Horsepower 2:

Approx. 195-210 hp (depending on boost and intercooling)

Torque 2:

Approx. 203-210 lb-ft

Fuel System 2:

Multi-point Fuel Injection (MPI), Intercooled Turbocharger

Engine Code 3:

4G64 (Naturally Aspirated)

Displacement 3:

2.4 Liters (2351cc)

Configuration 3:

Inline-4, SOHC, 16-valve

Horsepower 3:

Approx. 140-150 hp

Torque 3:

Approx. 145-155 lb-ft

Fuel System 3:

Multi-point Fuel Injection (MPI)

Engine Code 4:

4G63T (Turbocharged)

Displacement 4:

2.0 Liters (1997cc)

Configuration 4:

Inline-4, DOHC, 16-valve, Turbocharged, Intercooled

Horsepower 4:

Approx. 205-210 hp

Torque 4:

Approx. 205 lb-ft

Fuel System 4:

Multi-point Fuel Injection (MPI), Turbocharged

All Engine Variants:

2.0L NA, 2.0L Turbo, 2.4L NA.

🔧 Transmission

Type Standard:

5-Speed Manual

Type Optional:

4-Speed Automatic

AWD System:

Viscous coupling center differential with optional Active All-Wheel Drive (for turbo models).

Clutch Type:

Hydraulic Actuated

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or 80W-90 (refer to manual for specific viscosity and capacity).

Automatic Transmission Fluid:

Mitsubishi Diamond SP-II (or equivalent DEXRON II/III).

📐 Dimensions

Length 1G Coupe:

Approx. 170-173 inches

Width 1G Coupe:

Approx. 67.5 inches

Height 1G Coupe:

Approx. 50 inches

Wheelbase 1G Coupe:

Approx. 98.4 inches

Length 2G Coupe:

Approx. 178 inches

Width 2G Coupe:

Approx. 69.1 inches

Height 2G Coupe:

Approx. 51.6 inches

Wheelbase 2G Coupe:

Approx. 100.4 inches

Wheelbase 2G Convertible:

Approx. 100.4 inches

Curb Weight Range:

Approx. 2,700 - 3,300 lbs (depending on trim and drivetrain)

🛡️ Safety Features

NHTSA Ratings:

Variable by model year and crash test data availability. Consult NHTSA for specific year ratings.

ABS:

Available on higher trims and turbo models, standard on some later models.

Airbags:

Driver airbag standard, passenger airbag optional on early models, standard on later models.

Seatbelts:

3-point front and rear seatbelts.

💡 Technology Features

Audio System:

Factory AM/FM/Cassette stereo, optional CD player. Speaker configurations varied by trim.

Cruise Control:

Available on most trims.

Air Conditioning:

Standard on most trims, manual climate control.

Power Options:

Power windows, power door locks, power mirrors available on higher trims.

🔧 Maintenance

Oil Change Interval:

Every 3,750 - 5,000 miles or 6 months, whichever comes first (refer to manual for specific engine and oil type).

Engine Coolant Flush:

Every 30,000 miles or 2-3 years.

Timing Belt Replacement:

Every 60,000 miles or 5 years for 4G63/4G64 engines (critical interval).

Spark Plug Replacement:

Every 30,000 - 60,000 miles depending on spark plug type (refer to manual).

Engine Oil Specification:

API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for specific climate and engine requirements).

Coolant Specification:

Ethylene Glycol based coolant (green type), 50/50 mix with distilled water.

Brake Fluid Specification:

DOT 3 or DOT 4.

Common Problems:

Timing belt failure (if not replaced on schedule), turbocharger seals, oil leaks from valve cover and oil pan, worn suspension bushings, intermittent electrical issues (especially ground connections), clutch wear, automatic transmission solenoid issues.

📚 Vehicle History

Mitsubishi Motors:

Japanese automotive manufacturer with a history of producing performance-oriented vehicles and advanced engineering.

Generation 1 D20:

Launched in 1990, shared platform with Mitsubishi Colt. Known for its sporty styling and available turbocharged 4G63 engine. Available in coupe and convertible body styles. Offered FWD and AWD.

Generation 2 D30:

Launched in 1995, significant redesign with a more rounded, aerodynamic shape. Offered 2.0L and 2.4L engines, with the 2.0L turbo (4G63T) remaining the performance flagship. Offered in coupe and convertible. FWD and AWD available.

Manufacturing Location:

Normal, Illinois, USA (Diamond-Star Motors plant) for North American models.

🏆 Awards & Recognition

Import Car Of The Year:

The second-generation Eclipse (especially the GST and GSX models) received positive reviews for performance and handling, often cited in enthusiast circles for its bang-for-buck value.

Enthusiast Magazine Reviews:

Consistently rated well by automotive publications for its performance variants and sporty driving experience.