🏷️ Basic Information Identification Make: Mitsubishi Model: Lancer Evolution IV Generation: IV Codes Chassis Code: CN9A Engine Code: 4G63T 👋 Introduction Market Position Segment: Performance Rally Homologation Special Reputation: Iconic, revered for its rally heritage and road performance. Competitive Analysis Competitors: Subaru Impreza WRX STI, Ford Escort RS Cosworth, Lancia Delta Integrale. Key Features Rally Heritage: Developed for WRC homologation, incorporating advanced technologies derived from motorsport. Performance: Legendary handling, all-wheel-drive system, powerful turbocharged engine. Technology: Active Yaw Control (AYC), twin-scroll turbocharger, ACD (Active Center Differential). 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual (WSM) Language: English Format: PDF Download Page Count Estimated Page Count: Approximately 1500+ Manual Type Content Type: Professional workshop service manual 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, overhaul, repair procedures for 4G63T engine, including turbocharger system, fuel injection, ignition, lubrication, cooling. Transmission: Service and repair of the 5-speed manual transmission (Type-5M/T), including clutch, gearbox, transfer case, and driveshafts. Drivetrain: Front and rear differential overhaul, viscous coupling unit (VCU) service, Active Yaw Control (AYC) system troubleshooting and repair. Suspension: Front and rear strut and multi-link suspension diagnosis, alignment, and component replacement; shock absorber specifications. Brakes: ABS system diagnosis and repair, front and rear brake caliper and rotor specifications, hydraulic system bleeding procedures. Steering: Power steering system diagnosis, rack and pinion repair, steering column assembly. Electrical: Complete wiring diagrams, fuse and relay locations, diagnosis of ECU, sensors, lighting, ignition, starting, charging systems. Body: Exterior and interior trim removal and installation, door and window mechanisms, body panel repair and adjustment, paint code information. HVAC: Air conditioning system service, heater core replacement, ventilation system troubleshooting. Procedures Included Maintenance: Scheduled maintenance intervals, oil and filter changes, spark plug replacement, fluid level checks, belt replacement. Diagnostics: Extensive troubleshooting guides, symptom-based diagnostics, error code interpretation, on-board diagnostics (OBD-I) procedures. Repair: Step-by-step repair procedures for all major mechanical and electrical components, engine rebuilds, transmission overhauls, body repairs. Adjustment: Wheel alignment specifications, brake adjustment procedures, clutch pedal adjustment, idle speed adjustment. Troubleshooting: Detailed troubleshooting flowcharts for common and uncommon issues across all vehicle systems. Technical Depth Depth: Comprehensive, from basic user maintenance to complete engine and transmission rebuilds, including specialized systems like AYC. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within PDF Print Quality Print Capability: Printable pages Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4G63T DOHC Inline-4 Turbocharged Displacement: 1997 cc (2.0 Liters) Performance Horsepower Ps: 280 PS (approx. 276 hp) at 6500 rpm (JDM spec, often higher in practice) Torque Nm: 350 Nm (approx. 258 lb-ft) at 3000 rpm (JDM spec) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 8.5:1 Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Bosch electronic ignition Fuel Type: Unleaded Premium (95 RON or higher recommended) Engine Management ECU Type: ECU controlled fuel injection and ignition timing 🔧 Transmission Standard Type: 5-speed Manual Transmission (Type-5M/T) Features Drivetrain: All-Wheel Drive (AWD) with Active Center Differential (ACD) and Active Yaw Control (AYC) Fluid Specifications Manual Transmission Fluid: API GL-4/GL-5, SAE 75W-90 (check manual for exact specification, Mitsubishi Genuine DIAQUEEN SUPER MULTI GEAR OIL recommended) Clutch Clutch Type: Hydraulically operated, multi-plate clutch 📐 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: 1510 mm (59.4 in) Rear Track: 1505 mm (59.3 in) Weights Curb Weight: Approx. 1370 kg (3020 lbs) Gross Vehicle Weight: Approx. 1600 kg (3527 lbs) Wheels Tires Wheel Size: 17 x 7.5 inches Tire Size: 215/45R17 (standard) Bolt Pattern: 5x114.3 🛡️ Safety Features Ratings NHTSA Rating: Not extensively rated by NHTSA for this specific period and model's target market. Active Features ABS: Anti-lock Braking System (ABS) Ayc: Active Yaw Control (AYC) for enhanced cornering stability Acd: Active Center Differential (ACD) for variable torque distribution Passive Features Airbags: Driver and passenger front airbags (standard) Seatbelts: 3-point inertia-reel seatbelts with pretensioners Body Structure: Reinforced chassis and body structure for crash safety. 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM/Cassette or CD player, often with optional premium sound system. Driver Assistance Ayc Function: Active Yaw Control continuously adjusts torque distribution to rear wheels for improved cornering dynamics. Acd Modes: Active Center Differential offers driver-selectable modes (Tarmac, Gravel, Snow) for optimal traction. Engine Tech Turbocharger: Mitsubishi TD05H-16G twin-scroll turbocharger 🔧 Maintenance Service Intervals Oil Change: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, depending on driving conditions. Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) Spark Plug Replacement: Every 30,000 - 45,000 miles (48,000 - 72,000 km) depending on plug type Timing Belt Replacement: Every 60,000 miles (96,000 km) or 5 years, critical for 4G63T engine Fluid Specifications Engine Oil: 5W-30 or 10W-30 Synthetic/Mineral (check manual...