This manual covers the Mitsubishi Eclipse and Eclipse Spyder, produced during the Third Generation (3G) era, specifically focusing on the 2003 model year. These vehicles, assembled in Normal, Illinois for the North American market, represent Mitsubishi's entry into the compact sports coupe and convertible segment, competing with models like the Honda Civic Si and Toyota Celica. The Eclipse and Eclipse Spyder are characterized by their sporty styling and front-wheel-drive platform, offering accessible performance with engine options including a 2.4L 4G64 SOHC, a 3.0L 6G72 SOHC V6, and a potent 3.0L 6G72-T Twin-Turbocharged V6 for GT models. They feature a 4-seat configuration, with distinct trunk volumes for the coupe and Spyder variants. This comprehensive factory service repair workshop manual, written in English, is designed to be an indispensable resource for owners, mechanics, and technicians. It details maintenance procedures, troubleshooting guides, technical specifications, and safety guidelines essential for the upkeep and repair of the Mitsubishi Eclipse and Eclipse Spyder. The manual covers all major systems, including the engine (2.4L 4G64 and 3.0L 6G72 V6 variants), transmissions (5-speed manual and 4-speed automatic), brakes, suspension, electrical systems, fuel and cooling systems, HVAC, interior components, and body and frame. With factory-level detail, including exploded views, torque specifications, and wiring diagrams, this manual provides step-by-step instructions for disassembly, reassembly, diagnostics, and repair. 🏷️ Basic Information Identification Make: Mitsubishi Model: Eclipse / Eclipse Spyder Model Year: 2003 Generation Generation Designation: Third Generation (3G) Generation Years: 2000-2005 Codes Chassis Code: D52 (Coupe), D53 (Spyder) 👋 Introduction Market Position Segment: Compact Sports Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, professional technicians Competitive Analysis Key Competitors: Honda Civic Si, Acura RSX, Ford Focus SVT, Toyota Celica Key Features Vehicle Design Philosophy: Sporty styling, accessible performance, front-wheel-drive platform Key Features Manual Value Proposition: Inexpensive way to keep vehicle working properly, comprehensive repair resource Usability: Easy-to-read text, top quality diagrams, step-by-step instructions 📋 Manual Details Coverage Areas Market Covered: North America (likely, based on common product distribution) Page Count Estimated Pages: 1500-2000+ (typical for a comprehensive factory service manual) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: 2.4L 4G64 SOHC, 3.0L 6G72 SOHC V6, 3.0L 6G72 SOHC V6 (Turbocharged - GT models) Transmission: 5-Speed Manual, 4-Speed Automatic Brakes: Front Disc, Rear Disc (ABS optional/standard on GT) Suspension: Front MacPherson Struts, Rear Multi-link Electrical: Wiring Diagrams, Fuse Box Locations, Lighting, Starting & Charging System, ECU Diagnostics Body And Frame: Body Panels, Doors, Windows, Convertible Top (Spyder), Frame Repair Fuel System: Fuel Pump, Injectors, Fuel Lines, Evaporative Emission Control (EVAP) Cooling System: Radiator, Water Pump, Thermostat, Hoses Exhaust System: Exhaust Manifolds, Catalytic Converter, Muffler Steering: Power Steering Pump, Rack and Pinion HVAC: Air Conditioning, Heater Core, Blower Motor, Controls Interior: Seats, Dashboard, Trim Panels, Airbags Procedures Included Maintenance: Oil Changes, Filter Replacements, Spark Plugs, Belt Replacement Diagnostics: Troubleshooting Guides, DTC Code Explanations, Component Testing Repair: Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake Service Installation: Component Installation, Sensor Replacement Disassembly Reassembly: Complete step-by-step disassembly and reassembly instructions Technical Depth Depth: Comprehensive factory-level detail, suitable for experienced mechanics and advanced DIYers Detail Level: Exploded views, torque specifications, wiring diagrams, diagnostic procedures 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: All pages printable Graphic Quality: High quality diagrams and instructions Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Compatibility Operating Systems: All Versions of Windows & Mac Software Requirements: Adobe PDF Reader, WinZip (or equivalent decompression software) Delivery Delivery Method: Instant Download Shipping Cost Saving: Saves on postage and packaging ⚙️ Engine Specifications Primary Engine Engine Code 1: 4G64 Displacement 1: 2.4 Liters Configuration 1: Inline 4-Cylinder, SOHC Horsepower 1: 145 hp @ 5700 rpm (approx.) Torque 1: 158 lb-ft @ 4000 rpm (approx.) Optional Engine Engine Code 2: 6G72 Displacement 2: 3.0 Liters Configuration 2: V-6, SOHC Horsepower 2: 200 hp @ 5700 rpm (approx.) Torque 2: 205 lb-ft @ 4000 rpm (approx.) Performance Engine Engine Code 3: 6G72-T Displacement 3: 3.0 Liters Configuration 3: V-6, SOHC, Twin-Turbocharged Horsepower 3: 265 hp @ 6000 rpm (approx.) Torque 3: 280 lb-ft @ 3000 rpm (approx.) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Recommended Fuel Octane: 87 Octane (4G64, 6G72), 91 Octane (6G72-T Turbocharged) 🔧 Transmission Standard Type Standard: 5-Speed Manual Optional Type Optional: 4-Speed Automatic (INVECS-II) Features Traction Type: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Length: 177.7 inches (Coupe), 178.6 inches (Spyder) Width: 70.1 inches Height: 53.4 inches (Coupe), 53.3 inches (Spyder) Wheelbase: 103.0 inches Interior Seating Capacity: 4 Cargo Trunk Volume Coupe: 13.4 cu ft (approx.) Trunk Volume Spyder: 6.0 cu ft (with top up, approx.) Weights Curb Weight Base: 3042 lbs (approx.) Curb Weight Gt: 3230 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Frontal Driver: Good (2003 models) NHTSA Frontal Passenger: Good (2003 models) IIHS...