Positioning:
        
        
            High-performance rally homologation special, enthusiast-focused.
        
     
    
    
        
            Competitors 2004:
        
        
            Subaru Impreza WRX STI, Ford Focus RS, Audi S3, VW Golf R32.
        
     
    
    
        
            Performance Orientation:
        
        
            All-wheel-drive, turbocharged engine, advanced active center differential.
        
     
    
    
        
            Target Audience:
        
        
            Professional Technicians, DIY Enthusiasts, Performance Tuners.
        
     
    
    
        
            Value:
        
        
            Provides factory-level diagnostic and repair information essential for maintaining the Evo 8's complex systems.
        
     
 
    
    
    
        
            Engine:
        
        
            4G63 DOHC Turbocharged (including MIVEC where applicable), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System
        
     
    
        
            Transmission:
        
        
            6-Speed Manual (Getrag 03C), Drivetrain, Transfer Case, Rear Differential (ACD/AYC systems)
        
     
    
        
            Suspension:
        
        
            Front McPherson Strut, Rear Multi-link, Dampers, Springs, Bushings, Alignment Specifications
        
     
    
        
            Brakes:
        
        
            Front Brembo 4-Piston Calipers, Rear Brembo 2-Piston Calipers, ABS, EBD, Brake System Hydraulic Components
        
     
    
        
            Electrical:
        
        
            ECU, Wiring Diagrams, Lighting, Instruments, Power Accessories, Audio System, Security System
        
     
    
        
            Body Chassis:
        
        
            Body Structure, Exterior Panels, Interior Trim, Doors, Windows, Seats, Chassis Components
        
     
    
        
            Climate Control:
        
        
            HVAC System, Refrigerant, Blower Motor, Controls
        
     
    
    
        
            Diagnostic Procedures:
        
        
            Fault Diagnosis Charts, Symptom-Based Troubleshooting, DTC Code Explanations
        
     
    
    
        
            Maintenance:
        
        
            Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections
        
     
    
        
            Repair Overhaul:
        
        
            Engine Rebuild, Transmission Overhaul, Suspension Component Replacement, Brake System Service, Electrical Component Repair
        
     
    
        
            Disassembly Assembly:
        
        
            Step-by-step instructions for removing and installing major components
        
     
    
        
            Specifications Data:
        
        
            Torque Specifications, Clearances, Gaps, Pressures, Electrical Resistances
        
     
    
        
            Engine Management:
        
        
            ECU diagnostics, sensor testing, fuel injector flow testing, emissions system diagnosis.
        
     
    
        
            Wheel Alignment:
        
        
            Specifications and procedures for front and rear wheel alignment.
        
     
    
    
        
            Depth:
        
        
            Comprehensive: Covers from basic maintenance to complete engine and transmission rebuilds, including complex electronic systems.
        
     
    
        
            Diagrams Illustrations:
        
        
            Includes detailed exploded view diagrams, electrical schematics, and repair illustrations.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Inline 4-cylinder, turbocharged, intercooled, DOHC
        
     
    
        
            Displacement:
        
        
            1997 cc (2.0 Liters)
        
     
    
        
            Bore X Stroke:
        
        
            85.0 mm x 88.0 mm
        
     
    
    
        
            Valvetrain:
        
        
            DOHC 16-valve with MIVEC (Mitsubishi Innovative Valve timing Electronic Control) on intake camshaft
        
     
    
    
        
            Horsepower Ps:
        
        
            280 PS @ 6500 rpm (Manufacturer's Estimate, often higher in reality)
        
     
    
        
            Torque Nm:
        
        
            332 Nm @ 3500 rpm (Manufacturer's Estimate, often higher in reality)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (MPI)
        
     
    
        
            Turbocharger:
        
        
            Mitsubishi TD05H-16G (or similar variant), Ball Bearing
        
     
    
        
            Intercooler:
        
        
            Air-to-air front-mounted
        
     
    
        
            Recommended Fuel:
        
        
            Premium Unleaded Gasoline (91 Octane RON or higher)
        
     
 
    
    
    
        
            NHTSA Frontal Driver:
        
        
            4-Star (for 2004 Model Year, typical for the era)
        
     
    
        
            NHTSA Frontal Passenger:
        
        
            4-Star (for 2004 Model Year, typical for the era)
        
     
    
        
            IIHS Small Overlap Front:
        
        
            Not Tested (Vehicle pre-dates extensive IIHS testing protocols for this category)
        
     
    
    
        
            ABS:
        
        
            Standard, with EBD (Electronic Brakeforce Distribution)
        
     
    
        
            Traction Control:
        
        
            Standard (ASCD - Active Stability Control)
        
     
    
        
            Stability Control:
        
        
            Standard (ASCD - Active Stability Control)
        
     
    
        
            AWD System:
        
        
            ACD (Active Center Differential) with driver-selectable modes (Tarmac, Gravel, Snow)
        
     
    
    
        
            Airbags Front:
        
        
            Driver and Passenger SRS Airbags
        
     
    
        
            Airbags Side:
        
        
            Optional or Standard depending on market/trim (Front Side Airbags)
        
     
    
        
            Seatbelts:
        
        
            3-point ELR front seatbelts with pre-tensioners and load limiters, 3-point ELR rear seatbelts
        
     
    
        
            Body Structure:
        
        
            Reinforced chassis and safety cell design.
        
     
 
    
    
    
        
            Head Unit:
        
        
            Factory AM/FM/CD player (often with Rockford Fosgate audio system in higher trims).
        
     
    
        
            Speaker System:
        
        
            Optional premium sound system (e.g., Rockford Fosgate).
        
     
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System.
        
     
    
        
            Traction Control:
        
        
            Standard Active Stability Control (ASCD).
        
     
    
        
            Performance Electronics:
        
        
            ACD (Active Center Differential) and AYC (Active Yaw Control) represent advanced drivetrain technology for the era.
        
     
    
    
        
            Connectivity Features:
        
        
            Limited by 2004 standards. Primarily focused on audio input (CD).
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions). Severe driving may require more frequent changes.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 miles (24,000 km) or 12 months.
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 60,000 miles (96,000 km) (platinum or iridium type recommended).
        
     
    
        
            Coolant Replacement:
        
        
            Every 30,000 miles (48,000 km) or 24 months.
        
     
    
        
            Timing Belt Replacement:
        
        
            Every 60,000 miles (96,000 km) or 5 years. Crucial due to interference engine design.
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH, ILSAC GF-II or GF-III, SAE 5W-30 or 10W-30 (check specific market recommendations and climate).
        
     
    
        
            Engine Oil Capacity Liters:
        
        
            4.5 Liters (with filter change)
        
     
    
        
            Transmission Fluid:
        
        
            API GL-4 or GL-5 SAE 75W-90 Synthetic Gear Oil (for Getrag 03C).
        
     
    
        
            Transfer Case Fluid:
        
        
            API GL-5 SAE 75W-90 Synthetic Gear Oil.
        
     
    
        
            Rear Differential Fluid:
        
        
            API GL-5 SAE 75W-90 Synthetic Gear Oil (check for LSD/AYC specific requirements).
        
     
    
        
            Coolant:
        
        
            Mitsubishi Genuine Super Long Life Coolant (or equivalent ethylene glycol-based antifreeze with corrosion inhibitors) mixed 50/50 with distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4.
        
     
    
        
            Power Steering Fluid:
        
        
            Dexron III/Mercon ATF (Automatic Transmission Fluid).
        
     
    
    
        
            Engine:
        
        
            Turbocharger failure (oil starvation, lack of maintenance), Head gasket failure (especially in heavily modified cars), connecting rod issues (in extreme cases of abuse/high power).
        
     
    
        
            Drivetrain:
        
        
            ACD pump failure, AYC pump failure, clutch wear, differential wear.
        
     
    
        
            Suspension:
        
        
            Worn bushings, premature strut wear, wheel bearing failure.
        
     
    
        
            Electrical:
        
        
            Alternator failure, ECU issues, sensor failures (e.g., MAP, crank position).
        
     
    
        
            Body Chassis:
        
        
            Rust and corrosion (especially in certain climates), interior trim rattles.
        
     
 
    
    
    
        
            Heritage:
        
        
            Mitsubishi's long history in motorsports, particularly in the World Rally Championship (WRC), forms the foundation of the Lancer Evolution lineage.
        
     
    
    
        
            Evolution Series:
        
        
            The Evo VIII (CT9A) is the eighth generation of the Lancer Evolution, building upon the success of its predecessors.
        
     
    
        
            Key Developments Gen 8:
        
        
            Introduction of the ACD, improved turbocharger, stronger engine internals, revised suspension geometry, and the iconic Brembo braking system.
        
     
    
    
        
            Production Years Gen 8:
        
        
            2003-2005
        
     
    
        
            Manufacturing Location:
        
        
            Mizushima Plant, Kurashiki, Okayama, Japan
        
     
    
        
            Market Introduction Usdm:
        
        
            Introduced to the North American market for the 2003 model year, marking a significant expansion for the model.