Vehicle Segment:
Grand Tourer (GT), Sports Car
Target Audience:
Performance-oriented enthusiasts seeking a technologically advanced and luxurious coupe
Key Competitors 1991:
Nissan 300ZX (Z32), Toyota Supra (Mk3), Mazda RX-7 (FC3S), Chevrolet Corvette (C4)
Aerodynamics:
Active Aero System (Adjustable front air dam and rear wing)
Handling:
Full-time All-Wheel Drive (AWD), Active Four-Wheel Steering (4WS)
Performance Engine:
Twin-Turbocharged V6 Engine
Interior Technology:
Advanced Climate Control, Digital Dash Options
Powertrain:
Engine, Fuel System, Ignition System, Exhaust System, Transmission (Manual & Automatic), Driveline, Axles, Transfer Case
Chassis:
Suspension (Front & Rear), Steering System, Brakes (Front & Rear, ABS), Wheels, Tires
Electrical:
Wiring Diagrams, Lighting, Instruments, Audio System, HVAC Controls, Power Accessories, Engine Control Module (ECM), Body Control Module (BCM)
Body:
Exterior Body Panels, Interior Trim, Doors, Glass, Seats, Body Sealing
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Replacements, Spark Plug Replacement, Belt Inspection & Replacement
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-based diagnosis, Electrical circuit testing, Mechanical component diagnostics
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis & Repair, Body Panel Repair
Calibration Adjustment:
Wheel Alignment, Headlight Aiming, Idle Speed Adjustment, Throttle Position Sensor (TPS) Calibration
Diagnostic Capability:
Advanced Diagnostics, OBD-I Code Retrieval, System-Specific Testing Procedures
Rebuild Instructions:
Complete Engine and Transmission Rebuild Procedures with Torque Specifications and Clearances
Electrical Detail:
Comprehensive Wiring Diagrams for all Electrical Systems and Components
Engine Type:
60-degree SOHC V6 (Twin-Turbocharged)
Displacement:
3.0 Liters (2972 cc)
Horsepower Hp:
300 hp @ 6000 rpm
Torque Lb Ft:
307 lb-ft @ 3500 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI), Twin Garrett Turbochargers
Fuel Type:
Premium Unleaded Gasoline
ECU Type:
Mitsubishi Electronic Control Unit (ECU)
NHTSA Driver Front Impact:
Not Rated
IIHS Side Impact:
Not Rated
ABS:
Standard Anti-lock Braking System (ABS)
AWD:
Standard Full-time All-Wheel Drive (AWD)
Four Wheel Steering:
Optional Active Four-Wheel Steering (4WS)
Airbags:
Driver Side Airbag (Standard), Passenger Side Airbag (Optional/Late Production)
Seatbelts:
Three-point front seatbelts with pretensioners
Oil Change Interval:
Every 3,750 miles or 3 months
Engine Coolant Flush:
Every 30,000 miles or 2 years
Timing Belt Replacement:
Every 60,000 miles or 4 years (Critical Component)
Engine Oil Type:
API SG, SAE 10W-30 (Synthetic Recommended for Turbocharged Engines)
Engine Oil Capacity:
4.5 US quarts (4.3 Liters) with filter
Transmission Fluid Type Manual:
API GL-5, SAE 75W-90
Transmission Fluid Type Automatic:
Dexron II
Coolant Type:
Mitsubishi Super Long Life Coolant (or equivalent ethylene glycol-based)
Turbocharger Reliability:
Potential for oil leaks, intercooler issues, and turbo seal wear on high-mileage vehicles.
Active Aero System:
Actuator and linkage failures leading to non-functional aero components.
4Ws System:
Hydraulic leaks or actuator problems can affect rear-wheel steering.
Suspension Components:
Wear on bushings and ball joints due to performance driving.
Oil Filter Oem:
MD134557 (Example, check specific VIN)
Timing Belt Oem:
13028-AA010 (Example, check specific VIN)
Mitsubishi Motors:
Long history of innovative engineering and performance vehicles.
Third Generation Z10:
Debut of the Z10 generation marked a significant leap in technology and design for Mitsubishi's flagship sports car.
Facelifts Updates:
While 1991 is the debut year, subsequent years saw minor updates and the introduction of the VR-4 twin-turbo model which this manual covers.
Manufacturing Location:
Japan
