Segment:
High-performance sports coupe
Competitors:
Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mazda RX-7 (FD), Chevrolet Corvette (C4/C5), Dodge Stealth (rebadged 3000GT).
Key Differentiation:
Advanced technology features like Active Aerodynamics, Electronic Brake Force Distribution (EBD), Electronically Controlled Suspension (ECS), and All-Wheel Drive (AWD) with Active Electronically Controlled Torque Split (AECTS).
Powertrain Options:
Naturally aspirated and twin-turbocharged V6 engines, available in Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) configurations. Manual transmissions (W5MG1, W6MG1) and a 4-speed automatic.
Technology:
Advanced for its time, including active aero (front air dam, rear wing), ECS, ECS-4WD, and AWS (Active Four-Wheel Steering) on some models.
Design:
Sleek, aerodynamic styling with a long hood, short deck, and aggressive stance.
Years Covered:
1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Transmissions Covered:
W5MG1 (5-speed Manual), W6MG1 (6-speed Manual)
Estimated Page Count:
1500+
Type:
Complete Workshop Service Repair Manual
Format:
Downloadable Digital Format (likely PDF)
Powertrain:
Engine mechanical, engine electrical, fuel system, ignition system, lubrication system, cooling system, exhaust system, W5MG1 and W6MG1 manual transmissions, clutch, drivetrain (FWD and AWD).
Chassis:
Suspension (front and rear), steering system (including ECS - Electronically Controlled Suspension), braking system (ABS included), wheel and tire specifications, chassis lubrication.
Electrical:
Body electrical systems, lighting, instrumentation, power accessories (windows, locks, mirrors), HVAC controls, audio system, starter and charging system, wiring diagrams, diagnostic trouble codes (DTCs).
Body:
Body construction, exterior panels, interior trim, doors, hood, trunk, glass, bumpers, seals.
Maintenance:
Scheduled maintenance intervals, fluid level checks and changes (engine oil, transmission fluid, brake fluid, coolant, power steering fluid), filter replacements, spark plug service, belt inspections and replacement.
Diagnostics:
Troubleshooting guides, diagnostic procedures for all major systems, interpreting DTCs, electrical circuit testing, pressure testing, mechanical testing.
Repair:
Step-by-step repair procedures for engine components (timing belt, cylinder heads, pistons), transmission overhaul (W5MG1/W6MG1), clutch replacement, brake caliper rebuild, suspension component replacement, electrical component repair, body panel repair.
Adjustments:
Throttle linkage adjustment, parking brake adjustment, clutch pedal adjustment, wheel alignment specifications.
Specifications:
Torque specifications for all fasteners, component clearances, electrical system specifications, performance data.
Depth:
Comprehensive, covering everything from routine maintenance and fluid changes to complete engine and transmission rebuilds, complex electrical diagnostics, and bodywork repair. Includes detailed diagrams and exploded views.
Engine Code Naturally Aspirated:
6G72
Engine Code Twin Turbo:
6G72TT
Configuration:
V6, 24-valve SOHC (naturally aspirated), V6, 24-valve DOHC Twin-Turbo (turbocharged)
Displacement:
3.0 Liters (2972 cc)
Performance Naturally Aspirated
Horsepower:
222 hp @ 6000 rpm
Torque:
204 lb-ft @ 4500 rpm
Horsepower:
300 hp @ 6000 rpm (some later models up to 320 hp)
Torque:
315 lb-ft @ 2500 rpm (some later models up to 330 lb-ft)
Injection:
Multi-port Fuel Injection (MPI)
Turbocharging:
Twin Garrett turbochargers with intercoolers
Transmission Type Naturally Aspirated:
5-speed Manual (W5MG1)
Transmission Type Twin Turbo:
6-speed Manual (W6MG1)
Transmission Type Automatic:
4-speed Automatic (V4A51)
Drivetrain:
Available in Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) with Active Electronically Controlled Torque Split (AECTS).
Clutch Type:
Hydraulically actuated, single dry plate (manual transmission)
Manual Transmission Fluid W5Mg1:
API GL-4 or GL-5, SAE 75W-90 (check manual for specific recommendations)
Manual Transmission Fluid W6Mg1:
API GL-4 or GL-5, SAE 75W-90 (check manual for specific recommendations)
Manual Transmission Capacity Approx:
2.4 Liters (2.5 US Quarts)
NHTSA Ratings:
Specific ratings vary by model year; generally good for its era but not subject to modern stringent testing standards.
Braking:
Four-wheel disc brakes, Anti-lock Braking System (ABS) standard on most models.
Stability Control:
Traction Control System (TCS) available on some models, particularly turbocharged AWD versions.
Airbags:
Driver and front passenger airbags standard.
Seatbelts:
Three-point front seatbelts with pre-tensioners, height-adjustable shoulder belts.
Chassis Structure:
Reinforced safety cell construction.
Audio System:
Factory AM/FM stereo with cassette player and CD player (optional on some models). Amplified sound systems available.
Ecs:
Electronically Controlled Suspension (ECS) offered variable damping rates based on driving conditions and driver selection.
Aws:
Active Four-Wheel Steering (AWS) available on some models, improving low-speed maneuverability and high-speed stability.
Diagnostic Ports:
OBD-I or early OBD-II diagnostic connectors depending on the model year, used for retrieving trouble codes.
Service Intervals Engine Oil
Oil Change Interval:
Every 3,750 miles (6,000 km) or 6 months, whichever comes first (under normal driving conditions).
Oil Filter Replacement:
With every oil change.
Service Intervals Filters
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Fuel Filter Replacement:
Every 30,000 miles (48,000 km).
Service Intervals Ignition
Spark Plug Replacement:
Every 30,000 miles (48,000 km) for standard plugs; iridium plugs may last longer (check manual).
Service Intervals Timing Belt
Timing Belt Replacement:
Every 60,000 miles (96,000 km) or 5 years, whichever comes first (critical due to interference engine design).
Engine Oil Viscosity:
10W-30 or 5W-30 (check manual based on climate)
Engine Oil Capacity:
4.5 Liters (4.8 US Quarts) with filter change (6G72/6G72TT)
Coolant Type:
Mitsubishi DiaQueen Super Long Life Coolant (or equivalent ethylene glycol-based coolant with OAT/HOAT technology)
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid Type:
Mitsubishi DiaQueen PSF (or equivalent ATF Dexron III or Mercon)
Twin Turbo Intercoolers:
Potential for leaks or degradation, leading to reduced boost pressure.
Active Aero Systems:
Mechanical and electrical components can fail over time, leading to non-functional spoilers and air dams.
Ecs Suspension:
Hydraulic lines and pumps can develop leaks; sensors and control modules can fail.
Rear Main Seal:
Can develop leaks over time, especially on higher mileage vehicles.
Clutch Components:
Wear items like clutch disc, pressure plate, and throw-out bearing require periodic replacement, especially with spirited driving.
Mitsubishi Motors:
Japanese automaker with a history of innovation in rally racing and performance vehicles, known for models like the Lancer Evolution and Eclipse.
First Generation Development:
Developed as Mitsubishi's flagship sports car, intended to compete with the best from Europe and Japan. Designed by George Gallion.
Updates Through Years:
Received styling refreshes and performance enhancements throughout its production run, including updated aerodynamics, engine power increases for turbocharged models, and refinements to the electronic systems.
Production Period:
1990-2000 (globally), 1991-1999 (North American market)
Manufacturing Location:
Japan