Segment:
Performance Compact Sedan / Rally Homologation Special
Target Audience:
Enthusiast drivers, performance vehicle owners, tuners, mechanics specializing in performance vehicles
Key Rivals:
Subaru Impreza WRX STI, Ford Focus RS, Honda Civic Type R (later generations), Volkswagen Golf R
Engine Performance:
Legendary 4G63T engine known for its robustness and tuning potential
Drivetrain:
Symmetrical All-Wheel Drive (SAWD) with Active Center Differential (ACD) and Super Active Yaw Control (S-AYC) for exceptional traction and handling
Braking System:
High-performance Brembo brakes as standard equipment
Aerodynamics:
Aggressive aerodynamic package including large rear wing, front lip spoiler, and vented hood
Suspension:
Performance-tuned suspension for sharp handling and track-ready capabilities
Engine Mechanical:
4G63T (2.0L Turbocharged Inline-4) - Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, valve train, timing system, lubrication system, cooling system, intake system, exhaust system
Engine Electrical:
Ignition system, fuel injection system (ECU, sensors, injectors), emissions control, starter motor, alternator, wiring diagrams, diagnostic trouble codes (DTCs)
Transmission:
6-speed manual transmission (Type R) - Gearbox assembly, clutch system, driveline, transfer case, ACD (Active Center Differential) system, rear differential
Suspension:
Front MacPherson struts, Rear multi-link suspension, anti-roll bars, bushings, alignment specifications
Brakes:
Front Brembo 4-piston calipers, Rear Brembo 2-piston calipers, brake fluid specifications, bleeding procedures, ABS (Anti-lock Braking System) components and diagnostics
Steering:
Power assisted rack and pinion steering system, steering column, tie rods, steering knuckle
Body And Chassis:
Body construction, panels, doors, hood, trunk, bumpers, exterior trim, interior trim, noise insulation, chassis stiffening components
Electrical And Accessories:
Lighting systems (headlights, taillights, interior), power windows, central locking, climate control system, audio system, instrument cluster, wipers and washers, horn
Heating Ventilation Air Conditioning:
HVAC system components, refrigerant, troubleshooting, repair of evaporator, condenser, blower motor, control panel
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel lines, fuel pressure regulator, injectors, fuel system diagnostics
Maintenance:
Routine maintenance schedules, oil changes, filter replacements (oil, air, fuel), spark plug replacement, fluid checks and changes (coolant, brake fluid, transmission fluid, differential fluid), belt inspections and replacement
Troubleshooting:
Diagnostic flowcharts for common and uncommon problems, identification of symptoms, root cause analysis for engine performance, electrical faults, transmission issues, brake problems, and HVAC malfunctions
Repair And Rebuild:
Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation. Includes engine rebuild, transmission overhaul, brake caliper rebuilding, suspension component replacement, body panel repair, and electrical component repair.
Diagnostics:
OBD-II diagnostics, sensor testing, actuator testing, live data interpretation, specific diagnostic procedures for the 4G63T engine and related ECUs
Specifications And Tolerances:
Torque specifications for all fasteners, engine clearances, valve lash, fluid capacities, electrical resistance values, and other critical tolerances for accurate repair and assembly.
Depth:
Extremely High - Covers everything from basic scheduled maintenance and fluid changes to complex engine and transmission rebuilds, advanced electrical diagnostics, and bodywork.
NHTSA Front Crash:
4-Star (for 2004 model year, US)
NHTSA Side Crash:
5-Star (for 2004 model year, US)
IIHS Front Crash:
Good (for 2004 model year, US)
IIHS Side Crash:
Good (for 2004 model year, US)
ABS:
Standard Anti-lock Braking System (ABS) with Electronic Brakeforce Distribution (EBD)
Traction Control:
Active Traction Control (ASC) and Active Stability Control (ASTC) available on some models/regions
Drivetrain Control:
ACD and AYC systems contribute to active safety through enhanced traction and stability
Airbags:
Driver and front passenger airbags, optional side airbags
Seatbelts:
3-point front seatbelts with pretensioners and load limiters, 3-point rear seatbelts
Body Structure:
Reinforced body structure with crumple zones and safety cage
Oil Change Interval:
Every 3,750 - 7,500 miles (6,000 - 12,000 km) or 6 months, depending on driving conditions (refer to manual for severe vs. normal)
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually
Fuel Filter Replacement:
Every 30,000 - 45,000 miles (48,000 - 72,000 km)
Spark Plug Replacement:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) depending on plug type (iridium recommended)
Timing Belt Replacement:
Every 60,000 - 90,000 miles (96,000 - 144,000 km) or 5-7 years (critical component, refer to manual for exact interval and related components like tensioner and water pump)
Engine Oil Type:
Synthetic 5W-30 or 5W-40 recommended (API SN/SP, ACEA A3/B4)
Engine Oil Capacity:
4.5 Liters (4.8 US Quarts) with filter change
Coolant Type:
Ethylene Glycol based, long-life, pink/red (Mitsubishi DiaQueen Super Long Life Coolant or equivalent)
Coolant Capacity:
Approx. 7.2 Liters (7.6 US Quarts)
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendations, high-temp fluid recommended for performance driving)
Engine Wear:
Potential for piston ring land failure and oil burning in high-mileage or poorly maintained engines, connecting rod bearing wear
Turbocharger:
Oil seal failure, leading to smoke, or bearing failure due to lack of proper cool-down or lubrication
Clutch:
Wear of the clutch disc and pressure plate, especially under aggressive driving conditions. Clutch fork wear is also noted.
Acd/Ayc:
ACD pump failure, AYC hydraulic system leaks or pump issues can affect AWD performance.
Suspension:
Wear in bushings, ball joints, and wheel bearings, particularly on vehicles used for performance driving or track days.