Vehicle Segment:
Mid-size sedan/coupe, family car.
Key Competitors Era:
Toyota Camry, Honda Accord, Nissan Maxima, Ford Taurus, Chevrolet Lumina.
Design Philosophy:
Aerodynamic styling, comfortable ride, reliable powertrain, practical interior.
Manual Purpose:
Designed for professional technicians and knowledgeable DIY enthusiasts, providing in-depth repair and maintenance information.
Engine Systems:
Engine mechanical, fuel system (EFI), ignition system, cooling system, lubrication system, emissions control, engine diagnostics.
Transmission Drivetrain:
Manual transmission, automatic transmission (incl. FWD/AWD variations), clutch, driveshafts, differentials, axle shafts.
Chassis Suspension:
Front suspension (MacPherson strut), rear suspension (multi-link/independent), steering system (power steering), wheels and tires.
Braking System:
Front disc brakes (ventilated), rear disc/drum brakes, parking brake, hydraulic system, ABS (if equipped).
Electrical System:
Battery, charging system (alternator), starting system, lighting, instrumentation, power windows, mirrors, door locks, audio system, wiring diagrams.
Body Exterior Interior:
Body structure, exterior panels, doors, hood, trunk, glass, seals, interior trim, seats, climate control system (HVAC).
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, belt tensioning, fluid checks and top-offs.
Repair Procedures:
Engine overhaul, transmission repair, brake caliper replacement, suspension component renewal, electrical component diagnosis and replacement, body panel repair.
Troubleshooting Diagnostics:
Diagnostic trouble codes (DTCs) for EFI and ABS, symptom-based troubleshooting guides, electrical system diagnostics, component testing procedures.
Technical Specifications:
Torque specifications for fasteners, engine timing data, valve clearances, fluid capacities, electrical component resistance values.
Diagnostic Depth:
Detailed diagnostic charts, oscilloscope waveforms for sensors, ECU pinouts and voltage checks.
Rebuild Depth:
Complete engine and transmission rebuild procedures, including disassembly, cleaning, inspection, and reassembly with tolerances.
Digital File Type:
PDF (Portable Document Format)
Scanned Image Quality:
High-resolution scans for clarity of text and diagrams, often sourced from original factory manuals.
Original Binding:
Originally perfect-bound or spiral-bound (as a digital PDF, this is not applicable but refers to the original source quality).
Original Paper Type:
Typically printed on durable paper stock suitable for workshop environments (as a digital PDF, this reflects the original source's quality).
Engine Code Common:
4G63 (2.0L SOHC/DOHC), 6G72 (3.0L V6 SOHC)
Displacement Options:
1.8L, 2.0L, 2.4L (4-cylinder), 3.0L (V6)
Horsepower Range:
Approx. 95-120 HP (4-cyl. naturally aspirated), 140-170 HP (V6), up to 200+ HP (DOHC Turbo variants like VR-4, though this specific manual might not cover all turbo variants exhaustively).
Torque Range:
Approx. 105-130 lb-ft (4-cyl.), 170-190 lb-ft (V6).
Fuel Delivery:
Electronic Fuel Injection (EFI), Multi-point Fuel Injection (MPI).
Federal Safety Compliance:
Designed to meet Federal Motor Vehicle Safety Standards (FMVSS) of the era. Specific crash test ratings from NHTSA/IIHS for this period may be limited but generally reflected improving safety standards.
Active Safety Features Available:
Anti-lock Braking System (ABS) available on some trims.
Passive Safety Features:
Seat belts (3-point front, 2-point rear), reinforced body structure, collapsible steering column.
Audio System:
Factory AM/FM cassette stereo, optional CD player. Basic speaker configurations.
Driver Assistance Features:
Limited to ABS on higher trims. No modern driver-assistance systems (e.g., adaptive cruise control, lane keeping assist).
Connectivity Options:
None in the modern sense. Basic diagnostic port (OBD-I) for engine management codes.
Oil Change Interval:
Typically every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, depending on driving conditions. Consult manual for exact recommendations.
Timing Belt Replacement:
Crucial for 4G63 engines. Generally recommended every 60,000 miles (96,000 km) or 5 years. Failure can cause severe engine damage. Manual will specify exact interval and procedures.
Coolant Flush:
Recommended every 2-3 years or 30,000 miles (48,000 km).
Engine Oil Type:
API SG or higher, viscosity typically 5W-30 or 10W-30. Consult manual for specific engine variants and climate suitability.
Transmission Fluid Manual:
API GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Mitsubishi Genuine ATF SP-II or equivalent Dexron II/III (confirm specific type in manual).
Coolant Type:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Always confirm specification.
Common Wear Items:
Suspension bushings, wheel bearings, exhaust system components, fuel injectors (clogging), O2 sensors.
Engine Specific Concerns:
Head gasket issues on some 4G63 engines under high mileage/heat, oil leaks from seals (crankshaft, valve cover), timing belt failure if not replaced on schedule.
Electrical Gremlins:
Corroded ground points, aging wiring insulation, faulty relays or switches can cause intermittent issues.
Mitsubishi History Context:
Mitsubishi Motors, part of the Mitsubishi keiretsu, established a reputation for engineering and reliability, particularly with its global platforms and powertrain technologies.
Galant E30 Generation Overview:
The E30 generation (1987-1993 globally, specific US market years 1989-1992) represented a significant step forward in design and technology for the Galant, offering front-wheel drive and optional all-wheel drive, and a more sophisticated chassis.
Trim Levels Variants:
Offered in various trims including GL, GS, LS, and sporty variants like the GSX (AWD). Body styles included sedan and coupe (GTO/Eclipse related platform in some markets but the E30 chassis itself was primarily sedan).
Production Period:
1987-1993 (global for E30 series)
Manufacturing Locations:
Primarily Japan (Mizushima Plant), with potential assembly in other international locations.
