🏷️ Basic Information Identification Make: Mitsubishi Model: Lancer Evolution Generation: IV (CN9A) Model Variant: Evolution IV (Evo 4) Product Name: Mitsubishi Lancer Evolution 4 5 Service Repair Manual 👋 Introduction Market Position Market Segment: Performance Compact Sedan / Rally Homologation Special Target Audience: Enthusiasts, owners, tuners, and independent repair shops specializing in high-performance vehicles Competitive Analysis Key Competitors: Subaru Impreza WRX STI, Toyota Celica GT-Four, Ford Escort RS Cosworth (during its era) Key Features Rally Heritage: Developed from Mitsubishi's World Rally Championship (WRC) program, emphasizing performance and handling. All Wheel Drive: Advanced full-time four-wheel-drive system with driver-controlled center differential (ACD) and active yaw control (AYC) for superior traction and cornering. Turbocharged Engine: High-revving, turbocharged engine delivering potent power and torque for exhilarating acceleration. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: Digital Download (PDF) Page Count: Not specified, but professional service manuals are typically extensive (estimated 1000+ pages for comprehensive coverage) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, overhaul, lubrication system, cooling system, fuel system (injection), exhaust system, ignition system, emission control systems Engine Electrical: Engine control module (ECM) diagnosis, sensor identification and testing, wiring diagrams, starting system, charging system Transmission: Manual transmission (5-speed) disassembly, inspection, and reassembly; clutch system service; transfer case and viscous coupling unit (VCU) service Drivetrain: Front and rear differentials, driveshafts, CV joints, wheel bearings, Super Active Yaw Control (AYC) system service Suspension: Front MacPherson struts, rear multi-link suspension, springs, shock absorbers, control arms, stabilizer bars, alignment specifications Steering: Power steering system service, steering rack, tie rods, steering column Brakes: Front and rear disc brakes (Brembo on some models), ABS system service, hydraulic system, parking brake Electrical System: Lighting system, horn, wipers and washers, power windows, central locking, instrument cluster, fuse box locations and diagrams, battery service Body And Chassis: Body panel removal and installation, doors, hood, trunk, interior trim, glass replacement, corrosion protection Heating Ventilation Air Conditioning: HVAC system operation, component replacement, refrigerant service (refer to specific regulations) Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, spark plug service, brake fluid flush, coolant flush, belt inspection/replacement Troubleshooting: Diagnostic procedures for common symptoms, fault code interpretation, electrical and mechanical troubleshooting flowcharts Repair: Step-by-step instructions for component removal, repair, and reinstallation for all major vehicle systems Diagnostics: Detailed diagnostic steps for engine performance, emissions, electrical faults, and mechanical issues Rebuilds: Comprehensive engine and transmission overhaul procedures, including specifications for machining and assembly Technical Depth Diagnostic Tools: Information on required diagnostic tools, including OBD-II scanners (though early models may use proprietary connectors/protocols) Torque Specifications: Precise torque values for all critical fasteners (engine, chassis, suspension, brakes) Clearances And Tolerances: Specified internal engine clearances, bearing tolerances, and other critical assembly measurements Wiring Diagrams: Detailed electrical schematics for all vehicle systems, including component identification and wire colors Special Tools: Identification and use of specialized tools required for specific repair procedures 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable, allowing for quick information retrieval Printability: Printable, with the ability to print specific sections or the entire manual Digital Access: Instant download upon payment completion Binding Type Binding Type: Not applicable (Digital Download) Paper Type Paper Type: Not applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 4G63 Engine Type: Inline 4-cylinder, turbocharged and intercooled Displacement: 1997 cc (2.0 Liters) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 8.5:1 Valvetrain: DOHC (Dual Overhead Camshafts), 16 valves (4 per cylinder) Performance Horsepower: Approx. 276 hp (206 kW) at 6500 rpm (Japanese domestic market homologation figure) Torque: Approx. 270 lb-ft (366 Nm) at 5000 rpm (Japanese domestic market homologation figure) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with sequential multi-point injectors Fuel Type: Unleaded premium gasoline (95 RON or higher recommended) Turbocharger: Mitsubishi TD05H-16G (or similar variant) with air-to-air intercooler 🔧 Transmission Standard Transmission Type: 5-speed manual transmission Gear Ratios 1St: 3.083:1 Gear Ratios 2Nd: 2.077:1 Gear Ratios 3Rd: 1.471:1 Gear Ratios 4Th: 1.033:1 Gear Ratios 5Th: 0.761:1 Final Drive Ratio: 4.529:1 Optional Optional Transmission: None (Exclusively Manual) Features Drivetrain Configuration: Full-time 4WD with Active Center Differential (ACD) and Active Yaw Control (AYC) Clutch Type: Hydraulically actuated, single dry plate 📐 Dimensions Exterior Length: 4350 mm (171.3 in) Width: 1770 mm (69.7 in) Height: 1415 mm (55.7 in) Wheelbase: 2600 mm (102.4 in) Front Track: 1500 mm (59.1 in) Rear Track: 1495 mm (58.9 in) Weights Curb Weight: Approx. 1450 kg (3197 lbs) - varies by specification Fuel Tank Capacity: 50 Liters (13.2 US Gallons) 🛡️ Safety Features Ratings Crash Test Results: No official NCAP or NHTSA ratings readily available for this specific JDM homologation model from the era. Active Features Active Center Differential: ACD system adjusts front/rear torque split based on acceleration, braking, and steering input. Active Yaw Control: AYC system controls torque...