The 2004 Toyota MR2 Spyder (W30) is a compact, rear-midship engine, rear-wheel-drive sports car celebrated for its lightweight construction, exceptional handling, and engaging convertible driving experience. This third-generation MR2, powered by a 1.8-liter 1ZZ-FE engine producing 138 horsepower, offers a pure sports car proposition, distinguishing itself with its agile chassis and direct feedback. Toyota's heritage in sports car manufacturing is evident in the MR2 Spyder's design, which prioritizes driver connection and dynamic performance, making it a compelling choice for enthusiasts seeking an affordable and spirited driving machine. This comprehensive service and repair manual provides detailed information essential for maintaining and repairing the 2004 Toyota MR2 Spyder. Covering a vast array of systems including the engine, transmission, brakes, suspension, steering, and electrical components, this manual offers step-by-step procedures for diagnostics, troubleshooting, and component replacement. With over 1000 pages of content, it includes critical technical specifications, torque values, and diagnostic trouble code interpretations, empowering owners and technicians to perform everything from routine maintenance like oil changes to in-depth repairs and rebuilds, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Toyota Model: MR2 Spyder Year: 2004 Codes Chassis Code: W30 (3rd Generation) Engine Code Primary: 1ZZ-FE 👋 Introduction Market Position Segment: Compact, Rear-Midship Engine, Rear-Wheel Drive Sports Car Competitive Analysis Key Competitors 2004: Mazda MX-5 Miata (NB), Honda S2000 (AP1), Nissan 350Z (Z33), Porsche Boxster (986) Key Features Vehicle Appeal: Lightweight construction, excellent handling, unique mid-engine layout, convertible experience, affordable sports car proposition. Manual Value Proposition Benefit To Owner: Empowers DIY owners with factory-level repair and maintenance information, reducing reliance on costly dealership services. Software Advantage Convenience: Instant access, cross-device compatibility (PC, laptop, smartphone, tablet), and year-long access with renewal options. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Diagnostics, Maintenance, Troubleshooting Specific Systems: Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical System, HVAC, Body & Chassis, Emissions Control Page Count Estimated Page Count: 1000+ Manual Type Type: Service & Repair Manual Software Language Language: English Format Format: PDF Download (Software) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine Assembly, Cylinder Head, Valve Train, Piston & Connecting Rod, Crankshaft, Lubrication System, Cooling System Engine Performance: Fuel System, Ignition System, Emission Control Systems (EVAP, EGR) Transmission Drivetrain: Manual Transmission (6-Speed), Clutch System, Drive Shafts, Differential Brakes: Front & Rear Disc Brakes, ABS (Anti-lock Braking System), Parking Brake Suspension Steering: Front MacPherson Struts, Rear Multi-Link Suspension, Power Rack & Pinion Steering Electrical: Battery, Charging System, Starting System, Lighting System, Instrument Cluster, ECU (Engine Control Unit) & Powertrain Management, Body Control Module (BCM), Power Windows & Locks, Audio System HVAC: Air Conditioning System, Heating System, Ventilation, Cabin Air Filter Replacement Body Chassis: Body Panels, Doors, Hood, Trunk, Convertible Top Mechanism, Frame & Structure Procedures Included Maintenance: Oil Changes, Filter Replacements (Oil, Air, Cabin), Spark Plug Replacement, Fluid Checks & Replacements (Brake Fluid, Coolant, Transmission Fluid), Tire Rotation & Pressure Troubleshooting: Diagnostic Trouble Codes (DTCs) Interpretation, Symptom-Based Troubleshooting Guides, Electrical System Fault Finding Repair: Component Replacement (e.g., Alternator, Starter, Water Pump, Radiator, Clutch Kit, Brake Pads/Rotors, Suspension Components), Engine Rebuild Procedures, Transmission Overhaul Diagnostics: OBD-II System Diagnostics, Scan Tool Usage, Sensor Testing, Actuator Testing Technical Specifications: Torque Specifications for all fasteners, Tightening Sequences, Clearance Specifications Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Printability: Printable pages for offline use Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 4-Cylinder Engine Code: 1ZZ-FE Displacement: 1.8 Liters (1794 cc) Performance Horsepower: 138 hp @ 6400 RPM Torque: 126 lb-ft @ 4200 RPM Redline: 6600 RPM Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type Recommended: Unleaded Gasoline, 87 Octane Minimum Engine Construction Block Material: Aluminum Alloy Head Material: Aluminum Alloy Valve Actuation: Dual Overhead Camshafts (DOHC), 16 Valves (4 per cylinder), Variable Valve Timing (VVT-i) 🔧 Transmission Standard Transmission Type: 6-Speed Manual Transmission Optional Transmission Type: 5-Speed Sequential Manual Transmission (SMT) - Optional on some early models, less common for 2004. Features Clutch Type: Hydraulic Clutch Actuation Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 (Toyota Genuine Gear Oil or equivalent) 📐 Dimensions Exterior Length: 154.3 inches (3920 mm) Width: 66.7 inches (1695 mm) Height: 49.0 inches (1245 mm) Wheelbase: 81.5 inches (2070 mm) Ground Clearance: 5.1 inches (130 mm) Weights Curb Weight: Approx. 2,150 lbs (975 kg) Cargo Trunk Volume: 5.1 cubic feet (145 liters) Front Storage Compartment: Small compartment behind seats 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars NHTSA Side Impact: 4 Stars Active Features ABS: Standard Anti-lock Braking System Traction Control: Optional Traction Control System (TCS) Passive Features Airbags: Driver and Passenger Frontal Airbags Rollover Protection: Reinforced...