Market Position:
The 1991 Mitsubishi Galant was positioned as a mid-size sedan offering a blend of European styling influence, advanced technology for its time, and reliable performance, competing with vehicles like the Toyota Camry, Honda Accord, and Ford Taurus.
Competitive Analysis:
The Galant of this era was known for its distinctive styling and often featured advanced drivetrain options (like optional all-wheel drive and V6 engines), setting it apart from some more conservative competitors. This manual provides the necessary in-depth information to maintain and repair these advanced features.
Key Features:
The 1991 Galant, particularly in higher trims, offered features like a sophisticated multi-link suspension, available V6 engines, and aerodynamic styling. This service manual covers these complex systems in detail.
Coverage Areas:
Comprehensive coverage for all mechanical and electrical systems of the 1991 Mitsubishi Galant.
Page Count:
Estimated 1500+ pages (typical for a full factory service manual of this era)
Manual Type:
Factory Service Repair Manual
Manual Detail Type:
Comprehensive Repair Manual / Service Manual
Systems Covered:
Engine mechanical, lubrication, fuel system, cooling system, intake and exhaust, engine electrical, engine and emission control, clutch, manual transaxle, automatic transaxle, front axle, rear axle, wheels and tires, power plant mount, front suspension, rear suspension, service brakes, parking brakes, steering, body, exterior, chassis electrical, component locations, configuration diagrams, splice locations, circuit diagrams.
Procedures Included:
Maintenance schedules, diagnostic procedures, repair procedures, component removal and installation, troubleshooting, specifications, tightening torques, wiring diagrams, exploded views.
Technical Depth:
In-depth, factory-level technical information suitable for professional mechanics and experienced DIY enthusiasts, covering everything from basic maintenance to complete engine and transmission overhauls.
Specific Procedures:
Engine diagnostics, fuel injector testing and replacement, ignition timing adjustment, valve clearance adjustment, torque converter replacement, transmission fluid flush, ABS system troubleshooting, suspension alignment, brake caliper service, power steering system repair, body panel alignment, HVAC system diagnostics and repair.
Troubleshooting Charts Included:
Yes, extensive troubleshooting flowcharts and symptom-based diagnostic guides for common issues.
Technical Data Coverage:
Includes detailed specifications for all components, tightening torque values, alignment specifications, diagnostic trouble codes (DTCs), and component resistance values.
Searchable Text:
Yes, the PDF is typically searchable, allowing for quick access to specific topics.
Print Quality:
High-resolution, digitally rendered for clear and legible printing of all text, diagrams, and illustrations.
Binding Type:
Digital Download (PDF) - printable
Paper Type:
N/A (Digital)
Compatibility:
WINDOWS and MAC
Requirements:
Adobe PDF Reader
Primary Engine:
4G63 2.0L SOHC 4-cylinder (available in base models)
Engine 2 0L DOHc Performance:
Approx. 135-145 hp, 130-140 lb-ft torque (depending on specific market and trim)
Engine Options:
6G71 2.5L SOHC V6 (available in higher trims, often designated as 'GT' or 'GTI')
Engine V6 Performance:
Approx. 150-160 hp, 155-165 lb-ft torque (depending on specific market and trim)
Fuel System:
Electronic Fuel Injection (EFI)
Engine Codes Covered:
4G63, 6G71
Cooling System Capacity Approx:
Approx. 6.5-7.5 liters (depending on engine and radiator size).
Ignition System Type:
Distributorless Ignition System (DIS) on some V6 models, conventional distributor with ignition module on 4-cylinder models.
Standard Transmission:
5-speed manual transaxle
Optional Transmission:
4-speed automatic transaxle
Transmission Features:
Some models featured optional All-Wheel Drive (AWD) system, particularly with V6 engines.
Automatic Transaxle Fluid Type
Automatic Transaxle Fluid Type:
Typically ATF SP-II or equivalent (refer to manual for specific Mitsubishi specification).
Wheelbase:
Approx. 104.7 inches (2659 mm)
Length:
Approx. 184.3 inches (4681 mm)
Width:
Approx. 68.1 inches (1730 mm)
Height:
Approx. 55.1 inches (1400 mm)
Curb Weight:
Approx. 2900 - 3400 lbs (1315 - 1542 kg) depending on engine and trim
Wheel Bolt Pattern:
5x114.3 mm (5x4.5 inches)
Wheel Size:
Typically 14 or 15 inches
Infotainment Features:
Basic AM/FM stereo with cassette player, optional CD player on higher trims. Manual covers stereo system removal and installation.
Driver Assistance Features:
ABS (optional), and on very specific models, optional All-Wheel Steering (AWS).
Connectivity Features:
N/A by modern standards. Basic diagnostics accessed via consult port.
Electrical Diagrams Coverage:
Comprehensive wiring diagrams for all electrical systems, including lighting, ignition, fuel injection, power windows, door locks, HVAC controls, and instrument cluster.
Engine Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for precise recommendation).
Timing Belt Replacement:
Crucial for 4G63 engine. Recommended replacement every 60,000 miles or 5 years. Failure can cause catastrophic engine damage.
Engine Oil Type:
API SG or higher, viscosity grade 10W-30 recommended for most conditions (refer to manual for specific ambient temperature recommendations).
Coolant Type:
Ethylene glycol based antifreeze, 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Manual Transmission Fluid Type:
API GL-4 or GL-5 gear oil, viscosity grade 75W-90 or 80W-90 recommended (refer to manual).
Known Issues:
Corrosion on body panels, particularly in rust-prone areas. Suspension component wear (bushings, ball joints). Fuel injector clogging. Ignition system component failures (coil packs, distributor). Overheating due to radiator or coolant hose degradation.
Known Issues Electrical:
Fraying wiring harnesses in high-flex areas (e.g., door jambs), intermittent issues with sensors due to age, degradation of ground points.
Timing Belt Part Number Example:
Mitsubishi OEM or equivalent for 4G63 engine (specific part numbers vary by supplier and exact engine variant).
Maintenance Schedule Coverage
Maintenance Schedule Coverage:
Detailed schedules for oil changes, filter replacements, fluid checks and flushes, timing belt inspection/replacement, spark plug replacement, brake service, suspension checks, and emissions system maintenance.
Brand Heritage:
Mitsubishi Motors has a long history in automotive manufacturing, known for its engineering prowess and diverse product offerings ranging from passenger cars to off-road vehicles and industrial engines.
Model Evolution:
The 1991 Galant belongs to the fifth generation (E3_A) of the model, which ran from 1987 to 1993. This generation was notable for its aerodynamic design and significant technological advancements, including independent multi-link suspension and optional four-wheel steering (4WS) on some performance variants.
Platform Variants:
The E3_A platform also underpinned the Mitsubishi Eclipse and Plymouth Laser (first generation), sharing many powertrain and chassis components.
Production Years:
1987-1993 (Fifth Generation E3_A)
Manufacturing Locations:
Primarily Japan (various Mitsubishi plants).
