This manual covers the Lancer Evolution I, produced between 1992 and 1994. As a compact sport sedan and rally homologation special, the Evo I is renowned for its all-wheel-drive system, turbocharged 2.0-liter 4G63 engine, and dynamic chassis. Developed from the rally program, it established a strong performance heritage, offering advanced technologies for its time and setting benchmarks in its segment. Its engineering quality and reliability are a testament to its motorsport roots, making it a sought-after vehicle for enthusiasts and performance car owners. This comprehensive workshop service manual provides detailed information for the maintenance, repair, and technical understanding of the Lancer Evolution I. It covers all major systems, including the engine, drivetrain, suspension, brakes, steering, and electrical components, offering expert-level guidance for complete vehicle overhauls. The manual includes essential procedures for scheduled maintenance, diagnostics, component removal and installation, and technical specifications. Its scope is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of this iconic performance vehicle. 🏷️ Basic Information Identification Make: Mitsubishi Model: Lancer Evolution I Model Nickname: Evo I, CT9A (Chassis designation for subsequent generations, but often associated with the Evo lineage) Model Code: CD9A Generation Generation Number: 1 Generation Name: First Generation Codes Platform Code: CD9A 👋 Introduction Market Position Segment: Compact Sport Sedan / Rally Homologation Special Target Audience: Enthusiasts, rally drivers, performance car owners, professional mechanics Competitive Analysis Key Competitors: Subaru Impreza WRX (later generations), Ford Escort RS Cosworth, Lancia Delta Integrale Key Features Performance Focus: Developed for Group A rally homologation, emphasizing all-wheel-drive, turbocharged performance, and chassis dynamics. Rally Heritage: Directly spawned from Mitsubishi's rally program, featuring advanced technologies for its era. 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Workshop Service Manual (WSM) Included Models: Mitsubishi Lancer Evolution I Applicable Years: 1992, 1993, 1994 Page Count Estimated Page Count: Over 1000 pages (typical for full WSM) Manual Type Manual Type: Official Workshop Service Manual (WSM) Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine mechanicals, fuel injection, ignition, cooling, lubrication, exhaust, engine management (ECU) Drivetrain: Clutch, manual transmission, transfer case, front differential, rear differential, driveshafts, axles Suspension: Front suspension (MacPherson struts, control arms), rear suspension (multi-link), shock absorbers, springs, anti-roll bars Brakes: Front and rear disc brakes, hydraulic system, ABS (if equipped), parking brake Steering: Power steering system, steering column, steering rack Electrical: Battery, charging system, starting system, lighting, instrumentation, ECUs, wiring diagrams, fuses, relays Body And Chassis: Body construction, exterior panels, interior trim, doors, windows, HVAC, body sealing, corrosion protection Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks and changes Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) for engine and ABS, symptom-based diagnostics Repair: Component removal and installation, adjustments, overhauls, assembly procedures for all major systems Specifications: Torque specifications, clearances, tolerances, fluid capacities, electrical specifications Special Tools: Identification and usage of specialized tools required for specific procedures Technical Depth Depth: Expert Level: Covers complete vehicle overhaul, from basic adjustments to full engine and transmission rebuilds, including detailed diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Printable: Yes Print Quality Image Resolution: High-resolution, clear diagrams and illustrations Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 4G63 Engine Type: Inline-4, DOHC, 16-valve, turbocharged, intercooled Displacement: 2.0 Liters (1997 cc) Performance Horsepower: 247 PS (244 hp; 182 kW) @ 6000 rpm Torque: 304 Nm (224 lb-ft) @ 3000 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (RON 95 or higher recommended) Engine Management ECU: Mitsubishi Electronic Control Unit (ECU) 🔧 Transmission Standard Transmission Type: 5-speed Manual Optional Optional Transmission: None (Manual exclusively for Evo I) Features Drivetrain: All-Wheel Drive (AWD) with Active Center Differential (ACD) Front Differential: Viscous Coupling Limited Slip Differential (LSD) Rear Differential: Viscous Coupling Limited Slip Differential (LSD) 📐 Dimensions Exterior Length: 4310 mm (169.7 in) Width: 1770 mm (69.7 in) Height: 1435 mm (56.5 in) Wheelbase: 2600 mm (102.4 in) Weights Curb Weight: Approx. 1200 kg (2645 lbs) Gross Weight: N/A 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Not widely tested by modern agencies at the time of release) Active Features Braking System: 4-wheel Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD) (standard on some markets/trims) Traction Control: Limited Slip Differentials (Front/Rear), Active Center Differential (ACD) Passive Features Airbags: Driver's airbag (standard on most models) Seatbelts: 3-point seatbelts with pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player depending on market and trim. Driver Assistance ABS: Anti-lock Braking System (ABS) available. Connectivity Connectivity Features: Limited by era, primarily focused on vehicle performance and mechanical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 km (3,000 - 4,500 miles) or 6 months, whichever...