Market Segment:
Sportscar / Personal Luxury GT
Target Audience:
Enthusiasts, DIY mechanics, professional repair shops
Key Competitors:
Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mazda RX-7 (FD), Chevrolet Corvette (C4), Dodge Stealth (Chrysler's rebadged 3000GT)
Vehicle Highlight 1:
Advanced all-wheel-drive system (on most models)
Vehicle Highlight 2:
Sophisticated suspension systems (including optional ECS)
Vehicle Highlight 3:
Powerful V6 engines with twin-turbo options
Vehicle Highlight 4:
Active aerodynamic components (retractable front spoiler, adjustable rear wing on some trims)
Manual Benefit:
Enables accurate diagnosis and repair of complex factory systems, ensuring optimal performance and longevity
Engine Mechanical:
Engine removal/installation, cylinder head, block assembly, pistons, crankshaft, camshafts, valve train, timing belt replacement, lubrication system, cooling system
Engine Management:
Fuel injection system (MPI/GDI), ignition system, emission control systems, engine control unit (ECU) diagnostics and pinouts, sensors and actuators
Transmission Manual:
Clutch system, gearbox overhaul, gear shift mechanism, bearing replacement, seal replacement
Transmission Automatic:
Automatic transmission overhaul (F4A51), torque converter, hydraulic control system, transmission control module (TCM), shift solenoid testing
Drivetrain AWD:
Active Center Differential (ACD) operation and service, transfer case, driveshafts, propeller shaft, CV joints, viscous coupling unit (VCU) diagnostics
Suspension:
Front suspension (MacPherson strut), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, alignment procedures, electronically controlled suspension (ECS) diagnostics
Steering:
Power steering system, steering rack, steering column, power steering pump, fluid specifications, hydraulic system bleeding
Brakes:
Front and rear brake systems, disc brakes, ABS (Anti-lock Braking System) components and diagnostics, brake fluid specifications, bleeding procedures, parking brake
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting system, fuses, relays, wiring diagrams, diagnostic connectors (OBD-I)
Body Exterior:
Body panel removal/installation, doors, hood, trunk, bumpers, glass replacement, weatherstripping, aerodynamic aids (active aero spoilers)
Body Interior:
Dashboard, seats, upholstery, trim panels, climate control system, HVAC (Heating, Ventilation, and Air Conditioning) service, airbags (SRS)
Comfort Convenience:
Power windows, power door locks, power mirrors, sunroof operation, cruise control system, keyless entry system (if applicable)
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, coolant flush and replacement, brake fluid flush, transmission fluid service
Diagnostic Procedures:
Troubleshooting charts, symptom-based diagnostics, fault code reading (OBD-I), component testing using multimeter and oscilloscopes
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair for all major systems
Overhaul Procedures:
Complete engine rebuild, transmission overhaul, differential service
Wiring Diagrams:
Detailed electrical system wiring diagrams for all circuits
Specifications Data:
Torque specifications for all fasteners, clearances, tolerances, fluid capacities, electrical specifications
Depth Level:
Comprehensive (from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics)
Diagnostic Tools Required:
Basic hand tools, torque wrench, multimeter, oscilloscope, specialized engine/transmission diagnostic tools (as needed)
Engine Oil And Filter:
Every 5,000 miles or 6 months, whichever comes first.
Engine Air Filter:
Every 15,000 miles or 12 months.
Spark Plugs:
Every 30,000 miles (standard plugs), 60,000 miles (platinum plugs).
Timing Belt:
Every 60,000 miles or 5 years (critical item due to interference engine design).
Coolant Replacement:
Every 30,000 miles or 2 years.
Brake Fluid Replacement:
Every 15,000 miles or 12 months.
Engine Oil Type:
API SG/SH or higher, SAE 10W-30 or 10W-40 (check manual for specific viscosity based on temperature).
Engine Oil Capacity:
4.5 Liters (4.8 US Quarts) with filter change.
Coolant Type:
Mitsubishi DIANTHUS Coolant (Pink) or equivalent ethylene glycol-based coolant with corrosion inhibitors.
Coolant Capacity:
Approx. 7.5 Liters (7.9 US Quarts).
Transmission Fluid Manual:
API GL-3 or GL-4, SAE 75W-90 Gear Oil.
Transmission Fluid Automatic:
Mitsubishi DIA QUEEN ATF SP-II or equivalent Dexron III/Mercon.
Power Steering Fluid:
Power Steering Fluid (Specific Mitsubishi type recommended).
Brake Fluid:
DOT 3 or DOT 4.
Twin Turbo Common Issue 1:
Failed ABS sensors and ABS pump relays.
Twin Turbo Common Issue 2:
Degradation of fuel lines and connectors due to age and heat.
Twin Turbo Common Issue 3:
Oil leaks from valve covers, oil pan, and front/rear main seals.
Timing Belt Failure:
Critical to follow replacement intervals to prevent catastrophic engine damage (interference engine).
Ecs System Failure:
Actuator failures, leak in hydraulic lines for Electronically Controlled Suspension.
Active Aero Failure:
Actuator failures or hydraulic leaks for retractable spoilers.
Mitsubishi Motors History:
Founded in 1870, initially as a shipping firm. Mitsubishi Motors Corporation was established in 1970, inheriting a strong automotive legacy. Known for innovation and performance vehicles like the Lancer Evolution and Eclipse.
First Generation Launch:
1990 (Japan as GTO), 1991 (North America as 3000GT, Europe as GTO)
Facelift 1994:
Significant styling updates including revised front bumper, active aerodynamics, updated interior, and introduction of GDI on twin-turbo models.
Manufacturing Plant:
Mizushima Plant, Kurashiki, Japan
Production Volume Global:
Approximately 80,000 units worldwide over its lifespan.