Market Segment:
Performance Compact Sedan / Rally Homologation Special
Target Audience:
Enthusiasts, owners, mechanics specializing in performance vehicles, rally preparation.
Key Competitors:
Subaru Impreza WRX STI, Toyota Celica GT-Four, Ford Escort RS Cosworth.
Distinctive Selling Points:
Iconic 4G63T engine, advanced AYC system, aggressive styling, rally heritage, potent performance.
Manual Value Proposition:
Essential resource for maintaining and repairing the highly complex and performance-oriented Lancer Evolution IV.
Engine Mechanical:
Engine assembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, timing belt/chain, valve train.
Engine Performance:
Fuel injection system (MPI), ignition system, turbocharger system, intercooler system, emissions control.
Transmission:
Manual Transmission (W5M33-1) diagnosis, disassembly, assembly, adjustments, fluid specifications.
Drivetrain:
All-Wheel Drive (AWD) system, Active Yaw Control (AYC) system diagnosis and adjustments, front/rear differentials, driveshafts, transfer case.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications.
Brakes:
Front and rear brake systems, hydraulic lines, master cylinder, brake boosters, ABS system (Anti-lock Braking System), parking brake.
Steering:
Power steering system, steering rack, tie rods, steering column.
Electrical:
Wiring diagrams, battery, charging system (alternator), starting system (starter motor), lighting system, horn, wipers, power windows, central locking.
Body:
Body panels, doors, hoods, trunk lid, bumpers, interior trim, glass, seals.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system components, refrigerant, operation.
Safety Systems:
Airbag system (SRS) components and deployment, seat belts.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, air filter replacement, brake pad inspection.
Troubleshooting:
Diagnostic procedures for common faults, symptom-based troubleshooting guides, diagnostic trouble codes (DTCs) interpretation (where applicable).
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation of all major systems.
Overhaul Rebuild:
Detailed instructions for engine and transmission overhauls, including torque specifications and tolerances.
Alignment Adjustment:
Wheel alignment specifications, steering system adjustments, AYC system calibration (if detailed).
Electrical Diagnostics:
Testing electrical circuits, component testing, wiring harness repair guidance.
Depth Level:
Comprehensive (from basic maintenance to complete engine/transmission rebuilds)
Diagnostic Capabilities:
Detailed diagnostic flowcharts and procedures for identifying and resolving issues.
Specification Detail:
Precise torque values, clearances, fluid capacities, electrical resistance values, and performance parameters.
Engine Type:
Inline-4, DOHC, 16-valve, turbocharged and intercooled
Displacement:
1997 cc (2.0 Liters)
Bore X Stroke:
85.0 mm x 88.0 mm
Fuel Delivery:
Electronic Multi-Point Fuel Injection (MPI)
Ignition System:
Distributorless Ignition System (DIS) with electronic ignition control
Horsepower:
280 PS (276 hp; 206 kW) @ 6500 rpm (Manufacturer's estimate, often under-reported)
Torque:
352 Nm (260 lb-ft) @ 3000 rpm (Manufacturer's estimate)
Fuel Type:
Unleaded Gasoline (Octane rating: 98 RON recommended)
Fuel Tank Capacity:
50 Liters (13.2 US Gallons)
Engine Oil And Filter Change:
Every 5,000 km (3,000 miles) or 6 months, whichever comes first (severe usage).
Transmission Fluid Change:
Every 40,000 km (25,000 miles) or 2 years.
Brake Fluid Change:
Every 2 years, regardless of mileage.
Coolant Change:
Every 40,000 km (25,000 miles) or 2 years.
Timing Belt Replacement:
Every 100,000 km (60,000 miles) or 5 years, whichever comes first.
Engine Oil Type:
API SG, SH, or SJ category, Viscosity: 10W-30 or 10W-40 recommended. (Refer to manual for specific oil type and viscosity based on climate).
Engine Oil Capacity:
4.5 Liters (4.8 US Quarts) with filter change.
Transmission Fluid Type:
API GL-4, Hypoid Gear Oil, Viscosity: 75W-90
Transfer Case Fluid Type:
API GL-4, Hypoid Gear Oil, Viscosity: 75W-90
Rear Differential Fluid Type:
API GL-5, Hypoid Gear Oil, Viscosity: 80W-90 (Limited Slip Differential additive may be required).
Coolant Type:
Ethylene Glycol based antifreeze, 50/50 mixture with distilled water.
Engine Wear:
Piston ring wear, connecting rod bearing wear due to high performance demands. Timing belt failure can cause catastrophic engine damage.
Ayc System:
AYC pump failure, sensor issues, or hydraulic leaks can impact handling. Regular fluid level checks are crucial.
Turbocharger:
Turbocharger seals can wear over time, leading to oil consumption or reduced boost. Proper warm-up and cool-down procedures are vital.
Clutch:
High performance driving can lead to premature clutch wear.
Common Repairs:
Engine rebuilds, turbocharger replacement, AYC system servicing, clutch replacement, suspension bushing replacement.
Brand Focus:
Mitsubishi Motors is renowned for its rally success and performance engineering.
Evolution Lineage:
The Lancer Evolution (Evo) series originated as a homologation special for the World Rally Championship (WRC).
Evo Iv Introduction:
Introduced in August 1996, marking a significant evolution in chassis dynamics and electronic aids.
Key Advancements In Evo Iv:
Introduction of Active Yaw Control (AYC) and a revised chassis with a longer wheelbase.
Production Period:
August 1996 - August 1998
Manufacturing Location:
Japan
Production Volume:
Approximately 11,700 units built (including GSR and RS variants).