🏷️ Basic Information

Make:

Mitsubishi

Model:

Galant

Year:

1991

Chassis Code:

E33A

Engine Code Primary:

4G63

👋 Introduction

Positioning:

The Mitsubishi Galant of the early 1990s was positioned as a stylish and capable mid-size sedan, often targeting buyers seeking a blend of performance, comfort, and reliability, particularly with the introduction of the high-performance VR-4 variant.

Competitors:

Competed with vehicles like the Honda Accord, Toyota Camry, Nissan Maxima, Mazda MX-6, and Ford Taurus. The Galant often distinguished itself with its sharp styling and, in the case of the VR-4, advanced all-wheel-drive and turbocharged powertrain.

Features:

Distinctive aerodynamic styling, optional turbocharged performance (VR-4 model), available all-wheel drive (VR-4), refined interior for its class, good handling characteristics.

📋 Manual Details

Coverage:

All models, all engines, all trim levels

Pages:

Extensive (Specific number not provided, typical for comprehensive service manuals)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Engine Mechanical:

Engine disassembly, assembly, inspection, overhaul, timing belt, cylinder head, pistons, crankshaft, camshafts, oil pump, cooling system, lubrication system, exhaust system

Engine Fuel System:

Fuel injection system (MPI/GDI depending on specific variant), fuel pump, fuel injectors, fuel pressure regulator, fuel filter, throttle body, emissions control systems (EVAP)

Engine Ignition System:

Ignition timing, spark plugs, ignition coils, distributor (if applicable), electronic control unit (ECU) related ignition diagnostics

Transmission Manual:

Manual transmission overhaul, clutch system, gearshift linkage, transmission fluid specifications and change procedures

Transmission Automatic:

Automatic transmission overhaul, torque converter, transmission control unit (TCU) diagnostics, transmission fluid specifications and change procedures

Drivetrain:

Front-wheel drive (FWD) and All-wheel drive (AWD) systems, CV joints, driveshafts, differential (front/rear if applicable), transfer case (if AWD)

Suspension:

Front suspension (MacPherson strut), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, alignment specifications

Steering:

Power steering system, steering rack, steering column, tie rods, steering wheel, steering angle sensor

Brakes:

Front disc brakes, rear drum or disc brakes (depending on trim), brake hydraulic system, master cylinder, brake calipers, brake pads, brake fluid specifications, ABS system diagnostics (if equipped)

Electrical System:

Battery, charging system (alternator, starter), lighting system (headlights, taillights, interior), wiring diagrams, fuses, relays, ignition switch, power windows, power locks

Body And Interior:

Body panel removal and installation, door mechanisms, glass replacement, interior trim, seats, dashboard, climate control system (HVAC), heater core, A/C system servicing

Diagnostic Troubleshooting:

Diagnostic trouble codes (DTCs), symptom-based troubleshooting charts, diagnostic procedures for all major systems

Maintenance:

Oil change, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement, brake pad replacement, battery maintenance

Repair Engine:

Complete engine rebuild, piston ring replacement, bearing replacement, valve seal replacement, head gasket replacement

Repair Transmission:

Transmission fluid flush and replacement, clutch replacement, manual transmission gearset repair, automatic transmission solenoid replacement

Repair Brakes:

Brake caliper rebuild, brake line replacement, master cylinder replacement, rotor and pad replacement, bleeding brake system

Repair Electrical:

Starter motor replacement, alternator replacement, fuse box diagnostics, wiring harness repair, sensor replacement (e.g., oxygen sensor, crankshaft position sensor)

Body Repair:

Door handle replacement, window regulator repair, mirror replacement, bumper repair and replacement

Troubleshooting Electrical:

Diagnosing no-start conditions, intermittent electrical faults, charging system failures, power accessory malfunctions

Depth:

Comprehensive: Covers routine maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and specifications.

📊 Manual Specifications

Format:

PDF

Quality:

High-resolution, printable

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type Primary:

4-cylinder, inline, DOHC (4G63)

Displacement Primary:

2.0 Liters (1997 cc)

Bore X Stroke Primary:

85.0 mm x 88.0 mm

Compression Ratio Primary:

8.5:1 (Naturally Aspirated), 8.5:1 (Turbocharged)

Horsepower Primary Na:

Approx. 135 hp @ 6000 rpm (Naturally Aspirated)

Torque Primary Na:

Approx. 137 lb-ft @ 4500 rpm (Naturally Aspirated)

Horsepower Primary Turbo:

Approx. 218 hp @ 6000 rpm (VR-4 Turbocharged)

Torque Primary Turbo:

Approx. 203 lb-ft @ 3500 rpm (VR-4 Turbocharged)

Fuel Delivery:

Electronic Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 Octane Recommended, 91 Octane for VR-4)

Fuel Tank Capacity:

Approx. 17.2 gallons (65 Liters)

🔧 Transmission

Type Standard:

5-speed Manual Transmission

Type Optional:

4-speed Automatic Transmission

AWD System:

Optional on VR-4 model (Advanced All-Wheel Drive System with Active Center Differential - ACD)

Transmission Fluid Type Auto:

DIAQueen ATF-SPII or equivalent

Transmission Fluid Capacity Auto:

Approx. 7.7 quarts (7.3 Liters)

Transmission Fluid Type Manual:

API GL-3 or GL-4 Hypoid Gear Oil, SAE 75W-90

Transmission Fluid Capacity Manual:

Approx. 2.4 quarts (2.3 Liters)

📐 Dimensions

Length:

Approx. 183.1 inches (4650 mm)

Width:

Approx. 68.5 inches (1740 mm)

Height:

Approx. 54.5 inches (1385 mm)

Wheelbase:

Approx. 104.3 inches (2650 mm)

Track Width Front:

Approx. 58.7 inches (1490 mm)

Track Width Rear:

Approx. 57.9 inches (1470 mm)

Ground Clearance:

Approx. 5.5 inches (140 mm)

Curb Weight Min:

Approx. 2900 lbs (1315 kg)

Curb Weight Max Vr4:

Approx. 3400 lbs (1540 kg)

Gross Vehicle Weight Rating:

Approx. 4200 lbs (1905 kg)

Trunk Volume:

Approx. 13.0 cubic feet (368 Liters)

🛡️ Safety Features

NHTSA Frontal Impact Driver:

Not rated or not tested for this model year

NHTSA Frontal Impact Passenger:

Not rated or not tested for this model year

ABS:

Available on higher trim levels and VR-4 model

Traction Control:

Not available

Airbags:

Driver-side airbag standard on most trims, passenger airbag optional or standard on later models/trims

Seatbelts:

3-point inertia-reel seatbelts front and rear

💡 Technology Features

Audio System:

Factory AM/FM stereo cassette player with optional CD player. Speaker configurations vary by trim.

Display:

Analog gauges, basic digital or analog climate controls.

Cruise Control:

Standard on most trim levels.

Four Wheel Steering:

Optional on certain VR-4 models, providing enhanced maneuverability.

Connectivity Features:

Limited to basic power accessories; no modern Bluetooth or USB connectivity.

🔧 Maintenance

Oil Change Interval:

Every 3,750 miles (6,000 km) or 6 months, whichever comes first

Oil Filter Replacement:

With every oil change

Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months

Spark Plug Replacement:

Every 30,000 miles (48,000 km) (Copper plugs), 60,000 miles (96,000 km) (Platinum plugs)

Timing Belt Replacement:

Every 60,000 miles (96,000 km) or 5 years, whichever comes first (CRITICAL for 4G63 engine)

Coolant Flush:

Every 30,000 miles (48,000 km) or 2 years

Engine Oil Viscosity:

10W-30 API SG or higher

Engine Oil Capacity:

Approx. 4.2 quarts (4.0 Liters) with filter change

Brake Fluid Type:

DOT 3

Power Steering Fluid:

Dexron II ATF or equivalent

Timing Belt Failure:

Critical failure if the timing belt breaks, causing catastrophic engine damage. Regular replacement is paramount.

Rust And Corrosion:

Common in areas with road salt. Check wheel wells, rocker panels, and suspension components.

Automatic Transmission Slippage:

Can occur with age and high mileage if fluid and filter are not maintained.

Cv Joint Wear:

Common on front-wheel-drive vehicles; look for clicking noises during turns.

Window Regulator Failure:

Power window regulators can become slow or fail due to worn gears.

📚 Vehicle History

Heritage:

Mitsubishi has a long history in automotive manufacturing, known for its engineering prowess, particularly in turbocharged engines and four-wheel-drive systems, often stemming from its rally racing heritage.

Generation Context:

The 1991 Galant is part of the fifth generation (E30 series), which ran from 1987 to 1993. This generation saw a significant styling update and the introduction of the groundbreaking Galant VR-4.

Vr4 Introduction:

The high-performance VR-4 model, introduced in 1988 globally (1989 for North America), featured the 4G63T turbocharged engine, a sophisticated all-wheel-drive system, and four-wheel steering (4WS) on some versions, making it a technological marvel of its time and a precursor to the Lancer Evolution.

Production Years:

1987-1993 (E30 Series)

Manufacturing Location:

Japan

🏆 Awards & Recognition

Vr4 Recognition:

The Galant VR-4 was highly regarded by automotive journalists for its performance and technological advancements, often cited as a benchmark for sports sedans.