Positioning:
Mid-size sedan offering a balance of comfort, performance, and value, competing against models like the Honda Accord, Toyota Camry, and Ford Taurus.
Key Rivals:
Honda Accord, Toyota Camry, Nissan Altima, Ford Taurus, Chevrolet Lumina.
Vehicle Features:
Known for its distinctive aerodynamic styling (for its era), comfortable ride, and available V6 engines.
Manual Value Proposition:
Provides dealer-level technical information, empowering owners and independent mechanics for effective maintenance and repair.
Primary Coverage:
Complete Factory Service and Repair
Secondary Coverage:
Diagnostic Procedures, Wiring Diagrams, Torque Specifications, Fluid Capacities
Estimated Page Count:
High volume, typically over 1000 pages for a full factory service manual
Type:
Factory Service Manual (FSM)
Engine Systems:
Engine mechanical, lubrication, cooling, fuel delivery, intake and exhaust, emission control, ignition
Drivetrain Systems:
Clutch, manual transaxle, automatic transaxle, propeller shaft, front axle, rear axle
Suspension Steering Brakes:
Front suspension, rear suspension, wheels and tires, power plant mount, service brakes, parking brakes
Electrical Systems:
Electrical diagrams, lighting, instruments, engine control systems, body electrical
Body Chassis:
Body construction, exterior trim, interior trim
Emission Control Systems:
Catalytic converter, EGR system, O2 sensors, evaporative emission control (EVAP) systems.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for various systems
Repair Rebuild:
Detailed step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly
Diagnostics:
Component testing, diagnostic trouble codes (DTCs) if applicable to the era, sensor readings
Wheel Tire Service:
Tire pressure checks, rotation, wheel alignment procedures, wheel bearing service.
Depth:
Comprehensive, covering basic to advanced repair and diagnostic procedures
Level Of Detail:
Detailed instructions with step-by-step diagrams and illustrations
Special Tools:
Lists specific special tools required for certain procedures
Torque Specs:
Includes precise torque specifications for critical fasteners
Electrical Diagrams:
Complete wiring diagrams for all vehicle systems
Refrigerant Handling:
Procedures for A/C system service, including refrigerant type (likely R12 for this era, requiring specialized handling).
Searchability:
Likely text-searchable if originally created digitally or scanned with OCR
Zoom:
Yes, zoom in/out functionality
Compatibility:
All versions of Windows & Mac
Requirements:
Adobe PDF Reader & WinZip (for extraction)
Quality:
High resolution for clear diagrams and text
Binding:
N/A (Digital PDF)
Engine Code And Type:
4G63 (2.0L SOHC I4), 6G71 (3.0L SOHC V6) - Specific engine dependent on trim level.
Horsepower 2.0L:
Approx. 105-110 hp (varies slightly by market and tuning)
Horsepower 3.0L:
Approx. 140-150 hp
Torque 2.0L:
Approx. 120-125 lb-ft
Torque 3.0L:
Approx. 160-170 lb-ft
Fuel Delivery Type:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline
Ignition System:
Electronic ignition with distributor (Distributorless Ignition System - DIS on some later models, but likely distributor for 1991)
Timing Drive:
Timing belt (4G63), Timing belt (6G71)
Transmission Type Standard:
5-speed Manual Transaxle
Transmission Type Optional:
4-speed Automatic Transaxle with Overdrive
Automatic Transmission Features:
Electronically controlled, Lock-up torque converter
Manual Transmission Fluid:
API GL-4, SAE 75W-90 or SAE 80W-90 gear oil (refer to manual for exact specification)
Automatic Transmission Fluid:
Mitsubishi Genuine ATF-SP II (or equivalent DEXRON II/III compatible fluid)
Length:
Approx. 176.8 inches (4490 mm)
Width:
Approx. 69.1 inches (1755 mm)
Height:
Approx. 55.1 inches (1400 mm)
Wheelbase:
Approx. 100.8 inches (2560 mm)
Curb Weight:
Approx. 2800-3200 lbs (1270-1450 kg), varies by engine and equipment.
Gross Vehicle Weight Rating:
Typically around 3800-4000 lbs
Trunk Volume:
Approximately 14.5 cubic feet (varies)
NHTSA Ratings:
Data for 1991 models can be scarce; generally, cars of this era had lower safety standards than modern vehicles. No specific 5-star ratings typical.
Brakes:
Front disc brakes, Rear drum brakes standard. Optional front and rear disc brakes on higher trims.
ABS:
Anti-lock Braking System (ABS) typically optional, especially on V6 models.
Airbags:
Driver-side airbag often optional or not available on all trims for 1991.
Seatbelts:
3-point front seatbelts, 2-point or 3-point rear seatbelts depending on seating position.
Oil Change Interval:
Every 3,000 - 5,000 miles or 3-6 months, whichever comes first (refer to manual for precise recommendation).
Timing Belt Replacement:
Recommended every 60,000 - 90,000 miles or 5-7 years due to potential for catastrophic engine damage if it fails.
Spark Plug Replacement:
Typically every 30,000 - 60,000 miles depending on plug type (copper vs. platinum).
Engine Oil Specification:
API SG or SH, SAE 10W-30 recommended for most ambient temperatures. Refer to manual for exact viscosity and API rating.
Coolant Specification:
Ethylene glycol based antifreeze, 50/50 mix with distilled water. Green color coolant typical for the era.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Common Wear Items:
Suspension bushings, CV joints, oxygen sensors, exhaust components, ignition components (plugs, wires, distributor cap/rotor).
Engine Issues:
Oil leaks from valve cover gaskets or oil pan, timing belt tensioner issues if not replaced on schedule.
Transmission Issues:
Automatic transmission can develop slipping or harsh shifts if fluid is neglected. Clutch wear on manual transmissions.
Mitsubishi Heritage:
Mitsubishi Motors Corporation has a long history in automotive manufacturing, dating back to the 1930s, known for reliable and innovative vehicles.
Galant Generation:
This 1991 model is part of the fifth generation (E3_A) of the Mitsubishi Galant, which ran from 1987 to 1993. It introduced a more aerodynamic and contemporary design.
Manufacturing Location:
Primarily Japan, with some assembly in other global locations.