🏷️ Basic Information

Make:

Mitsubishi

Model:

Eclipse

Year:

2003

Platform Code:

D52

👋 Introduction

Segment:

Compact Sports Coupe/Convertible

Target Audience:

Enthusiasts, DIY mechanics, owners seeking detailed repair information

Competitors 2003:

Honda Civic Si, Acura RSX, Nissan Sentra SE-R, Toyota Celica GT-S, Ford Focus SVT

Vehicle Appeal:

Affordable performance, stylish design, available turbocharged engine, convertible option

Manual Value Proposition:

Provides the essential technical data required for DIY maintenance and repair, saving significant costs on dealership service

📋 Manual Details

Primary Coverage:

Mechanical, Electrical, Body, Maintenance, Troubleshooting, Repair

Specific Systems:

Engine (4G63, 6G72), Transmission (Manual, Automatic), Brakes, Suspension, Steering, Electrical Systems, HVAC, Fuel System, Exhaust System, Body & Interior, Cooling System, Lubrication System, Emission Controls, Diagnostic Codes (OBD-II)

Estimated Pages:

1500+

Type:

Factory Service Manual (FSM)

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshaft, timing belt/chain, valve train, lubrication, cooling, fuel injection, ignition timing, compression testing, performance tuning

Transmission Drivetrain:

Manual transmission (W5MG1, F5M33), Automatic transmission (F4A42), clutch system, driveshafts, CV joints, differentials, transaxle overhaul, torque converter

Brakes Suspension Steering:

Brake system (ABS, components, bleeding, hydraulic system), suspension components (struts, shocks, control arms, bushings), steering system (rack and pinion, power steering), wheel alignment

Electrical Electronics:

Wiring diagrams, fuses, relays, battery, starting system, charging system, lighting, instruments, power windows, locks, mirrors, audio system, body control modules, engine control module (ECM), diagnostic trouble codes (DTCs)

Maintenance:

Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement, air filter replacement, tire rotation, brake pad replacement

Repair Overhaul:

Engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuild, starter/alternator replacement, fuel pump replacement, radiator replacement

Diagnostics Troubleshooting:

Step-by-step troubleshooting guides for common drivability issues, electrical faults, starting problems, cooling system leaks, transmission shifting issues, using diagnostic scan tools

Depth:

Comprehensive; covers from basic maintenance to complete engine and transmission rebuilds, including detailed wiring diagrams and component specifications

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick information retrieval

Printability:

Printable pages

Image Resolution:

High-resolution, clear diagrams and images

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code Base:

4G63 (Naturally Aspirated Inline-4)

Displacement Base:

2.4 Liters (2351 cc)

Horsepower Base:

145 hp @ 5700 rpm

Torque Base:

154 lb-ft @ 4000 rpm

Engine Code Turbo:

4G63T (Turbocharged Inline-4)

Displacement Turbo:

2.0 Liters (1997 cc)

Horsepower Turbo:

205 hp @ 6000 rpm (GT), 210 hp @ 6000 rpm (GTS)

Torque Turbo:

205 lb-ft @ 3500 rpm (GT), 210 lb-ft @ 3500 rpm (GTS)

Engine Code V6:

6G72 (SOHC V6)

Displacement V6:

3.0 Liters (2972 cc)

Horsepower V6:

195 hp @ 5500 rpm

Torque V6:

206 lb-ft @ 4000 rpm

Fuel Delivery:

Electronic Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Recommended Octane Turbo:

91 AKI or higher

🔧 Transmission

Type:

5-Speed Manual

Codes:

W5MG1 (AWD Turbo), F5M33 (FWD)

Type:

4-Speed Automatic

Codes:

F4A42

AWD Availability:

Available on certain turbocharged models (GT)

Clutch Type:

Hydraulic, single dry plate (manual)

📐 Dimensions

Length:

177.7 inches

Width:

69.2 inches

Height:

50.3 inches (Coupe), 51.1 inches (Convertible)

Wheelbase:

103.7 inches

Ground Clearance:

Approx. 5.5 inches

Seating Capacity:

4 passengers

Trunk Volume Coupe:

Approx. 8.1 cu ft

Trunk Volume Convertible:

Approx. 5.9 cu ft (with top up)

Curb Weight Base:

Approx. 3000 lbs

Curb Weight Turbo AWD:

Approx. 3300 lbs

Gross Vehicle Weight Rating Gvwr:

Approx. 4000-4200 lbs (varies by model)

Towing Capacity:

Not Recommended

🛡️ Safety Features

NHTSA Driver Front Impact:

4 Stars

NHTSA Passenger Front Impact:

4 Stars

ABS:

Standard on most models, optional on base models

Traction Control:

Available on some higher trim levels

Airbags:

Driver and front passenger airbags

Seatbelts:

3-point front and rear seatbelts, pretensioners for front seats

Rollover Protection:

Reinforced windshield frame and A-pillars on convertible models

💡 Technology Features

Audio System:

AM/FM/CD player, optional premium audio systems (e.g., Rockford Fosgate)

Climate Control:

Manual or automatic climate control systems

Cruise Control:

Standard on most models

Keyless Entry:

Available on higher trim levels

OBD Ii Support:

Fully supports OBD-II diagnostic standards for engine and emissions monitoring

🔧 Maintenance

Engine Oil Change:

Every 3,750 miles or 6 months (severe duty), 7,500 miles or 12 months (normal duty)

Engine Oil Type Capacity:

API SG or higher, 5W-30 synthetic blend recommended; Approx. 4.5 quarts (4-cyl), 5.0 quarts (V6)

Transmission Fluid Change Manual:

Every 30,000 miles or 24 months

Transmission Fluid Change Automatic:

Every 30,000 miles or 24 months (severe duty), 60,000 miles or 48 months (normal duty)

Coolant Change:

Every 30,000 miles or 24 months

Timing Belt Replacement:

Every 60,000 miles or 48 months (crucial for 4G63/4G63T engines due to interference design)

Brake Fluid:

DOT 3

Power Steering Fluid:

Dexron II or equivalent

Manual Transmission Fluid:

API GL-4, SAE 75W-90

Automatic Transmission Fluid:

DIA QUEEN ATF-SP II M or equivalent

Common Problems:

Oil leaks (valve cover, oil pan), cracked exhaust manifolds (turbo models), premature wear of suspension bushings, ignition coil failure, starter motor issues, transmission synchro wear (manual), intermittent electrical gremlins

Turbo Specific Concerns:

Turbocharger oil feed line clogging, wastegate actuator failure, intercooler pipe leaks leading to boost loss

📚 Vehicle History

Mitsubishi Motors Era:

Part of Mitsubishi's effort to expand its global reach and product portfolio in the 1990s and 2000s.

Eclipse Generations:

This is the second generation (1995-2005) Eclipse, specifically the facelifted second generation (1999-2005).

Platform Sharing:

Shared platform with the Eagle Talon and Plymouth Laser (first generation) and continued platform similarities with the Dodge Avenger (second generation).

Manufacturing Location:

Normal, Illinois, USA (Diamond-Star Motors plant)

Production Years Relevant:

2000-2005 (second generation facelift)

🏆 Awards & Recognition

Car And Driver 10Best:

The 1993-1994 Eclipse GSX was a recurring participant and recipient in Car and Driver's 10Best list, establishing its performance credentials. While not for the 2003 model year, this heritage is part of the Eclipse legacy.