🏷️ Basic Information

Make:

Mitsubishi

Model:

Stealth

Year:

1994

Chassis Code:

Z15A (for Non-Turbo)

👋 Introduction

Market Segment:

Performance/Sports Car, Luxury Grand Tourer

Competitors:

Dodge Stealth (badge-engineered version), Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mazda RX-7 (FD), Chevrolet Corvette (C4)

Vehicle Features:

Radical aerodynamic styling, advanced AWD system, optional 4WS, powerful twin-turbo V6 engine (in R/T Turbo trim), luxurious interior appointments, high technological content for its era.

Value Proposition:

Essential resource for owners and technicians to maintain, diagnose, and repair the complex systems of the 1994 Mitsubishi Stealth. Crucial for preserving performance and longevity of this unique vehicle.

📋 Manual Details

Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Emissions, Diagnostics, Troubleshooting

Page Count:

Detailed and comprehensive, estimated 2000+ pages (typical for factory service manuals of this era)

Manual Type:

Factory Workshop Service Repair Manual

Language:

English

Format:

Likely printed book format, potentially available digitally as PDF

📖 Manual Coverage

Engine Systems:

3.0L V6 DOHC Twin-Turbo (6G72TT), 3.0L V6 DOHC Naturally Aspirated (6G72), Engine Mechanical, Fuel System (MPI), Ignition System, Lubrication System, Cooling System, Emission Control Systems

Transmission Systems:

6-Speed Manual Transmission, 4-Speed Automatic Transmission (with Sportronic functionality for some models)

Drivetrain Systems:

All-Wheel Drive (AWD) system with Active Transfer Case, Viscous Coupling Center Differential, Rear Limited-Slip Differential (LSD)

Suspension Steering:

Front MacPherson Struts, Rear Multi-Link Suspension, Four-Wheel Steering (4WS) system, Power Rack and Pinion Steering

Brake System:

Four-Wheel Disc Brakes, Anti-lock Braking System (ABS)

Electrical Systems:

Wiring Diagrams, Fuses and Relays, Lighting System, Instrument Cluster, Audio System, Power Accessories, Engine Control Unit (ECU) and related sensors/actuators

HVAC Body:

Climate Control System (Manual and Automatic), Body Panels, Doors, Windows, Seats, Interior Trim, Exterior Trim

Maintenance Procedures:

Oil and Filter Changes, Air Filter Replacement, Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Transmission Fluid Service, Differential Fluid Change, Belts and Hoses Inspection/Replacement

Diagnostic Procedures:

Troubleshooting guides based on symptoms, DTC (Diagnostic Trouble Code) retrieval and interpretation, Component testing procedures

Repair Procedures:

Engine overhaul, Turbocharger replacement, Transmission overhaul, Drivetrain component repair, Suspension and steering component replacement, Brake caliper and rotor replacement, Electrical component repair and replacement, Body panel repair and alignment

Special Procedures:

Timing Belt Replacement (critical for 6G72 engine), 4WS System Calibration, AWD System Component Servicing, ECU Reprogramming/Diagnosis

Depth Level:

Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts. Includes torque specifications, clearances, diagnostic flowcharts, and component removal/installation sequences.

📊 Manual Specifications

File Format:

N/A (assuming printed)

Print Quality:

High-quality factory printing with clear illustrations and legible text.

Binding Type:

Professional bound (likely hardcover or robust softcover) for durability in a workshop environment.

Paper Type:

Durable, high-quality paper stock resistant to workshop grease and oil.

⚙️ Engine Specifications

Engine Code Twin Turbo:

6G72TT

Engine Displacement Twin Turbo:

2972 cc (3.0 Liters)

Engine Configuration Twin Turbo:

60-degree SOHC V6 with Twin Turbochargers and Intercoolers

Bore Stroke Twin Turbo:

86.0 mm x 86.0 mm

Compression Ratio Twin Turbo:

8.0:1

Engine Code Naturally Aspirated:

6G72

Engine Displacement Naturally Aspirated:

2972 cc (3.0 Liters)

Engine Configuration Naturally Aspirated:

60-degree SOHC V6

Horsepower Twin Turbo:

300 hp @ 6000 rpm

Torque Twin Turbo:

307 lb-ft @ 3000 rpm

Horsepower Naturally Aspirated:

222 hp @ 6000 rpm

Torque Naturally Aspirated:

285 lb-ft @ 4800 rpm

Fuel Delivery System:

Multi-Point Fuel Injection (MPI) with Electronic Control

Recommended Fuel:

Premium Unleaded Gasoline (91+ Octane)

Timing Belt Interval:

Every 60,000 miles or 5 years (crucial, failure can cause catastrophic engine damage)

🔧 Transmission

Transmission Type:

6-Speed Manual Transmission (on R/T Turbo)

Transmission Type:

4-Speed Automatic Transmission (with Sportronic mode) (on ES and R/T models)

Clutch Type Manual:

Hydraulically Operated Single Dry Plate Clutch

Automatic Transmission Features:

Sportronic manual shift mode allowing driver selection of gears

Manual Transmission Fluid:

Refer to manual for specific API GL-4 or GL-5 gear oil, viscosity typically 75W-90

Automatic Transmission Fluid:

Chrysler ATF+3 (or equivalent specification, e.g., Dexron III) - refer to manual for exact spec

📐 Dimensions

Length:

178.7 inches (4539 mm)

Width:

74.2 inches (1885 mm)

Height:

44.4 inches (1128 mm)

Wheelbase:

100.4 inches (2550 mm)

Curb Weight Manual Tt:

Approx. 3600-3700 lbs (1630-1680 kg)

Curb Weight Auto Na:

Approx. 3450-3550 lbs (1565-1610 kg)

Gross Vehicle Weight Rating:

Refer to vehicle sticker or manual

🛡️ Safety Features

NHTSA Crash Test Data:

Specific 1994 NHTSA data may be limited; generally considered a safe vehicle for its era. Refer to manual for specific safety features and recommendations.

Active Safety Systems:

Anti-lock Braking System (ABS), All-Wheel Drive (AWD), Four-Wheel Steering (4WS)

Passive Safety Features:

Driver and Passenger Airbags, Three-Point Seatbelts with Pretensioners, Crumple Zones, Side-Impact Beams

💡 Technology Features

Audio System:

Factory AM/FM Stereo Cassette Player with optional CD Player, amplifier, and premium speaker system.

Cruise Control:

Standard electronic cruise control system.

Climate Control:

Automatic Climate Control (optional on some trims) with digital display, manual climate control on others.

Power Features:

Power windows, power door locks, power mirrors, power driver's seat (optional).

🔧 Maintenance

Oil Change Interval:

Every 3,750 miles or 6 months, or every 7,500 miles/12 months with synthetic oil (refer to manual for precise recommendation)

Engine Coolant Interval:

Every 30,000 miles or 2 years

Brake Fluid Interval:

Every 24,000 miles or 2 years

Engine Oil Specification:

API SJ or higher, SAE 10W-30 or 10W-40 (refer to manual for specific viscosity based on temperature)

Engine Coolant Specification:

Mitsubishi DIAMOND Genuine Super Long Life Coolant (or equivalent ethylene glycol-based coolant with corrosion inhibitors)

Power Steering Fluid:

Refer to manual; typically ATF Dexron II/III or a specific power steering fluid

Brake Fluid Specification:

DOT 3 or DOT 4 Hydraulic Brake Fluid

Common Wear Items:

Spark plugs, ignition coils, fuel injectors (especially on higher mileage twin-turbo models), timing belts, clutch components, suspension bushings, power steering hoses.

Twin Turbo Specific Concerns:

Turbocharger seals and bearings (can fail due to heat/lack of proper warm-up/cool-down), intercooler plumbing leaks, detonation/knocking issues if not maintained with premium fuel and proper engine management.

4Ws System Concerns:

Actuator motors, hydraulic lines, and sensors can fail, leading to loss of rear-wheel steering functionality.

📚 Vehicle History

Mitsubishi Motors Heritage:

Mitsubishi has a long history in motorsport and producing innovative vehicles, including performance coupes and AWD technology (e.g., Lancer Evolution). The Stealth represents a significant foray into the American performance car market.

Stealth Development:

The Mitsubishi Stealth was developed in collaboration with Chrysler, based on the Dodge Stealth, which in turn was based on the Japanese market Mitsubishi GTO. It was sold in North America as a captive import.

Production Years North America:

1991-1996

Manufacturing Location:

Japan

🏆 Awards & Recognition

Automotive Journal Awards:

While not a recipient of major annual awards like some contemporaries, the Stealth was recognized for its striking design and performance capabilities, particularly the R/T Turbo model.

Performance Reviews:

Praised for its acceleration, handling (especially with AWD and 4WS), and braking performance by automotive critics of the era.