Generation:
E30/E40 Series
Production Years Covered:
1989-1993
Chassis Codes:
E31A, E32A, E33A, E34A, E35A, E37A, E38A, E39A, E41A, E42A, E43A, E44A, E45A, E47A, E49A
Segment:
Mid-size sedan and coupe, known for its sporty handling and distinctive styling in its era
Competitors:
Honda Accord, Toyota Camry, Nissan Maxima, Ford Taurus, Chevrolet Lumina
Design:
Aerodynamic styling, often featuring pop-up headlights in earlier models of this generation, and a driver-focused interior
Performance Variants:
Availability of turbocharged (GSR, VR-4) performance variants offering significantly enhanced power and handling
AWD:
Optional All-Wheel Drive (AWD) system, particularly in the performance-oriented Galant VR-4, enhancing traction and stability
Engine:
4G63, 4G63T, 4G13, 4G15, 6G71, 6G72 (Engine mechanical, lubrication, cooling, fuel, ignition, emission control, engine management systems)
Transmission:
Manual (W5M33, KM210-2) and Automatic (F4A21, F4A22, F4A23, V4A51) transmission overhaul, diagnostics, and repair
Drivetrain:
Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) systems, including differentials, driveshafts, and CV joints
Suspension:
Front MacPherson strut, Rear multi-link suspension system component overhaul, alignment, and troubleshooting
Brakes:
Front disc (ventilated and solid), Rear disc and drum brake systems, ABS (Anti-lock Braking System) diagnostics and repair
Steering:
Power assisted rack and pinion steering system overhaul, diagnostics, and fluid service
Electrical:
Full electrical schematics, wiring diagrams, component testing, starter, alternator, battery system service, lighting, and accessory circuits
Body And Interior:
Body panel replacement, door mechanisms, glass, interior trim, seat adjustments, and exterior trim components
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnostics, refrigerant service, blower motor, and climate control unit repair
Chassis And Frame:
Frame inspection, collision repair guidelines, and chassis component replacement
Maintenance:
Routine scheduled maintenance, oil changes, filter replacements, tune-ups, fluid level checks and changes
Repair:
Component-level repair and replacement for all covered systems, including engine, transmission, brakes, suspension, and electrical
Troubleshooting:
Diagnostic procedures, fault code interpretation (where applicable), symptom-based troubleshooting guides
Overhaul:
Complete engine and transmission overhaul procedures, including disassembly, inspection, and reassembly specifications
Alignment:
Wheel alignment specifications and procedures for front and rear suspensions
Diagnostics:
In-depth diagnostic steps for engine performance, electrical faults, and mechanical issues
Scope:
Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts
Detail Level:
Includes torque specifications, clearances, assembly sequences, and diagnostic flowcharts
Illustrations:
Contains numerous diagrams, exploded views, and illustrations to aid in understanding procedures
Engine Code Options:
4G63 (2.0L DOHC), 4G63T (2.0L DOHC Turbocharged), 4G15 (1.5L SOHC), 4G13 (1.3L SOHC), 6G71 (2.5L V6 SOHC), 6G72 (3.0L V6 SOHC)
4G63 Horsepower:
Approx. 140-150 hp (Naturally Aspirated), Approx. 195-205 hp (Turbocharged GSR/VR-4)
6G71 Horsepower:
Approx. 140-150 hp
Torque Specifications:
Varies significantly by engine; e.g., 4G63T approx. 203 lb-ft (Turbocharged)
Injection Type:
Multi-point Fuel Injection (MPI) / Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (Octane rating recommendations available in manual)
Systems:
Catalytic converter, EGR (Exhaust Gas Recirculation), O2 sensors, and electronic engine control units (ECU)
Type Options:
5-speed Manual Transmission (5MT) and 4-speed Automatic Transmission (4AT)
AWD Transmission:
All-Wheel Drive (AWD) system available, often paired with specific engine/trim levels (e.g., VR-4 models)
Automatic Modes:
Some automatic transmissions may feature sport or economy modes
Manual Transmission Fluid:
API GL-4 or GL-5 gear oil, SAE 75W-90 recommended (refer to manual for exact spec)
Automatic Transmission Fluid:
DIA QUEEN ATF SP-III or equivalent (refer to manual for exact spec)
Audio System:
Factory AM/FM stereo with cassette player, often with optional CD player or premium sound systems (e.g., Mitsubishi-branded units).
Display:
Basic analog gauges and warning lights. Climate control displays are typically analog or simple digital readouts.
Cruise Control:
Electronic cruise control available on many models.
Mobile Integration:
No integrated Bluetooth or smartphone connectivity; aftermarket solutions are required.
Headlights:
Halogen headlights, with pop-up (retractable) headlights featured on some styling variants of this generation.
Oil Change:
Recommended every 3,000-5,000 miles (5,000-8,000 km) or 3-6 months, depending on driving conditions (refer to manual for specifics)
Timing Belt Replacement:
Crucial for interference engines (like 4G63/4G63T). Recommended every 60,000-90,000 miles (96,000-145,000 km) or 5-7 years. Refer to manual for specific engine.
Engine Oil:
SAE 5W-30, 10W-30, or 10W-40 depending on climate. API SG or higher. (Consult manual for precise recommendation)
Coolant:
Ethylene glycol-based antifreeze/coolant, 50/50 mix with distilled water. Mitsubishi Super Long Life Coolant (or equivalent) recommended.
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Engine:
Timing belt failure on interference engines can cause catastrophic damage. Oil leaks from valve cover gasket and oil pan gasket are common. Overheating due to aging cooling system components.
Transmission:
Automatic transmission clutch wear and failure, especially in high-mileage or hard-driven vehicles. Manual transmission synchro wear.
Electrical:
Corrosion in wiring harnesses and connectors. Faulty power window regulators, aging sensors (e.g., O2, MAP).
Suspension And Steering:
Worn ball joints, tie rod ends, and bushings leading to clunking noises and poor handling. Power steering pump leaks.
Rust:
Corrosion is a common issue for vehicles of this age, particularly in rust-belt regions. Check wheel wells, rocker panels, and underbody.
Mitsubishi Motors:
Mitsubishi Motors Corporation is a Japanese multinational automotive manufacturer, founded in 1970, with a history of innovation and diverse product lines.
Galant Lineage:
The Galant nameplate has been used since 1969, evolving through numerous generations and body styles, consistently positioned as a family sedan with performance options.
E30 E40 Era:
This generation (E30/E40) represented a significant styling and engineering update, introducing aerodynamic designs and advanced features like AWD on performance models.
Manufacturing Locations:
Primarily manufactured in Japan, with some assembly potentially occurring in other global locations depending on market.
