Reputation:
Known for reliable engineering and comfortable ride, offering a good balance of performance and practicality for its era.
Competitors:
Honda Accord, Toyota Camry, Nissan Maxima, Ford Taurus, Chevrolet Lumina.
Design Philosophy:
Aerodynamic styling with a focus on passenger comfort and driver ergonomics.
Available Powertrains:
Choice of efficient four-cylinder and potent V6 engines.
Primary Markets:
North America, Europe, Japan
Trim Levels Covered:
LS, GS, GSi (if applicable to specific market)
Estimated Page Count:
Approx. 1200-1500 pages (typical for comprehensive service manuals of this era)
Manual Type:
Factory Service Manual / Repair Manual
Format:
Digital Download (PDF)
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Exhaust System, Engine Control System (ECU)
Drivetrain:
Manual Transmission, Automatic Transmission, Clutch, Driveshafts, Differentials
Chassis:
Suspension (Front & Rear), Steering System, Brake System (Hydraulic & Mechanical Components), ABS (if equipped)
Electrical:
Wiring Diagrams, Lighting System, Instrumentation, Power Accessories, Starting System, Charging System, Engine Control Unit (ECU) Diagnostics
Body:
Body Panel Repair, Interior Trim, Glass & Seals, Doors, Hood, Trunk, Exterior Trim
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Belt Inspections/Replacements, Fluid Checks and Replenishments
Troubleshooting:
Diagnostic Flowcharts, Symptom-Based Troubleshooting, Fault Code Interpretation (OBD-I)
Repair:
Component Removal & Installation, Reassembly Procedures, Torque Specifications, Adjustments
Diagnostics:
Engine Performance Diagnostics, Electrical System Troubleshooting, Emission Control System Diagnostics
Depth:
Comprehensive: From basic fluid services and component replacement to in-depth engine overhaul, transmission rebuilding, and complex electrical diagnostics.
Engine Code 1:
4G63 (2.0L SOHC/DOHC I4)
Displacement 1:
1997 cc (2.0 Liters)
Bore Stroke 1:
85.0 mm x 88.0 mm
Compression Ratio 1:
8.5:1 (SOHC), 8.5:1 (DOHC Turbo - if applicable)
Horsepower 1:
Approx. 105-110 hp @ 5000-5500 RPM (SOHC NA), 135-140 hp (DOHC NA), 195 hp (DOHC Turbo - for GS/GSi trims)
Torque 1:
Approx. 121-125 lb-ft @ 3000-3500 RPM (SOHC NA), 137-140 lb-ft (DOHC NA), 203 lb-ft (DOHC Turbo)
Engine Code 2:
6G72 (3.0L SOHC V6)
Displacement 2:
2972 cc (3.0 Liters)
Bore Stroke 2:
81.0 mm x 95.0 mm
Compression Ratio 2:
8.5:1
Horsepower 2:
Approx. 145-150 hp @ 5000-5500 RPM
Torque 2:
Approx. 170-175 lb-ft @ 3000-4000 RPM
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 Octane minimum, higher recommended for V6/Turbo)
Ignition Type:
Electronic Ignition (Distributorless Ignition System - DIS on some later models/engines)
ECM:
Mitsubishi Electronic Control Module (ECM) with OBD-I diagnostic port.
Transmission Type Standard:
5-Speed Manual Transmission
Transmission Type Optional:
4-Speed Automatic Transmission with Lock-up Torque Converter
Automatic Features:
Electronically controlled shift points, Power/Economy modes (on some variants)
Manual Transmission Fluid:
API GL-4 SAE 75W-90 or 80W-90 Gear Oil (Refer to manual for specific capacity)
Automatic Transmission Fluid:
Mitsubishi DiaQueen SP-III ATF or equivalent (Refer to manual for specific capacity)
Length:
Approx. 183.1 inches (4651 mm)
Width:
Approx. 69.1 inches (1755 mm)
Height:
Approx. 53.5 inches (1360 mm)
Wheelbase:
Approx. 104.7 inches (2659 mm)
Curb Weight:
Approx. 3000-3400 lbs (1360-1542 kg), varies by trim and powertrain
NHTSA Rating:
1990 models were generally not rated by NHTSA in the same comprehensive manner as modern vehicles. Consult historical safety data.
Brakes:
Front Ventilated Discs, Rear Drums (Standard). Front & Rear Discs (Optional on some trims/markets).
ABS:
Anti-lock Braking System (ABS) available as an option on higher trims.
Seatbelts:
Three-point seatbelts (front and rear outboard), manual lap belts (rear center).
Airbags:
Driver-side airbag standard on most North American models by 1990. Passenger airbag not typically available.
Oil Change Interval:
Every 3,750 miles (6,000 km) or 6 months, whichever comes first.
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Spark Plug Replacement:
Every 30,000 miles (48,000 km) for standard plugs, or as per manual for platinum/iridium.
Timing Belt Replacement:
Every 60,000 miles (96,000 km) or 4-5 years (Critical for 4G63 engine, catastrophic failure if it breaks).
Engine Oil Spec:
API SG/SH SAE 10W-30 or 10W-40 (check manual for specific viscosity based on climate)
Coolant Spec:
Ethylene Glycol-based coolant, 50/50 mix with distilled water. Refer to manual for specific type/color.
Brake Fluid Spec:
DOT 3 or DOT 4 Hydraulic Brake Fluid
Common Problems:
Timing belt failure (if not replaced at intervals), CV joint wear, power window motor failure, radiator leaks, ECU failure (less common but possible), door lock actuator issues.
Preventive Maintenance:
Regular inspection of CV boots, timing belt replacement on schedule, and monitoring for coolant leaks are crucial.
Mitsubishi Motors:
Founded in 1970, Mitsubishi Motors Corporation has a history rooted in industrial and automotive manufacturing, known for innovative technologies and robust engineering.
Galant E30 Generation:
The E30 generation Galant (1987-1993) represented a significant leap in design and technology for Mitsubishi, featuring sleek aerodynamic styling and advanced front-wheel-drive platforms. It replaced the E10 series and was succeeded by the E50/E60/E70 generation.
Manufacturing Locations:
Primarily Japan (Mizushima Plant), with some assembly in other international locations.
