Target Audience:
DIY mechanics, owners seeking to understand vehicle systems and perform maintenance/repairs
Key Competitors:
Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Chevrolet Malibu
Manual Value Proposition:
Empowers owners to maintain and repair their Mitsubishi Galant, saving on labor costs and extending vehicle lifespan.
Information Source:
Based on factory-issued documentation, providing accurate and detailed procedures.
Powertrain:
Engine mechanical (4G69, 6G72), Engine control systems (ECU, sensors, actuators), Fuel system, Ignition system, Exhaust system, Lubrication system, Cooling system, Emission control systems, Manual transmission (F5M43/F5M44), Automatic transmission (F4A42/F4A51)
Chassis:
Front suspension, Rear suspension, Steering system, Braking system (ABS, EBD), Drivetrain, Wheels and tires
Electrical:
Body control module (BCM), Powertrain control module (PCM), Instrument cluster, Lighting systems (headlights, taillights, interior), Audio systems, Power windows, Power locks, Keyless entry, Cruise control, Wiper and washer systems, Airbag system (SRS)
Body:
Exterior body panels, Interior trim, Seats, Glass and seals, Doors, Hood, Trunk lid, Bumpers, HVAC system
Maintenance:
Scheduled maintenance, Oil changes, Filter replacements, Fluid checks and top-offs, Spark plug replacement, Brake pad replacement, Belt inspection and replacement
Diagnostics:
Troubleshooting guides, Diagnostic trouble codes (DTCs), Symptom-based diagnostics, On-Board Diagnostics (OBD-II) procedures
Repair:
Component removal and installation, Engine overhaul, Transmission overhaul, Suspension component replacement, Brake caliper overhaul, Electrical component repair, Body panel repair and replacement
Specifications:
Torque specifications for all fasteners, Gap specifications (spark plugs, etc.), Fluid capacities and types, Wiring diagrams, Component locations
Level Of Detail:
Comprehensive (from basic maintenance to major component overhaul and diagnostics)
Displacement 2.4L:
2.4 Liters (2378 cc)
Configuration 2.4L:
Inline 4-cylinder, DOHC, 16-valve
Bore X Stroke 2.4L:
87.0 mm x 96.0 mm
Compression Ratio 2.4L:
9.5:1
Horsepower 2.4L:
157 hp @ 5700 rpm (approx.)
Torque 2.4L:
162 lb-ft @ 4000 rpm (approx.)
Displacement 3.0L:
3.0 Liters (2972 cc)
Configuration 3.0L:
V6, SOHC, 24-valve
Bore X Stroke 3.0L:
91.1 mm x 76.0 mm
Compression Ratio 3.0L:
9.0:1
Horsepower 3.0L:
201 hp @ 5750 rpm (approx.)
Torque 3.0L:
205 lb-ft @ 4500 rpm (approx.)
Fuel Type:
Unleaded gasoline (87 octane recommended)
Induction Type:
Multi-point Fuel Injection (MPI)
Fuel Pump Pressure:
40-50 PSI (approx.)
Coolant Type:
Mitsubishi DiaQueen Super Long Life Coolant (or equivalent HOAT coolant)
Oil Type Recommendation:
SAE 5W-30 API SM or higher
Oil Capacity 2.4L:
4.5 U.S. quarts (with filter)
Oil Capacity 3.0L:
4.7 U.S. quarts (with filter)
Oil Filter Part Number Example:
Mitsubishi MZ690070 or equivalent (e.g., FRAM PH3501)
Transmission Type 2.4L:
5-speed Manual Transmission (F5M43 / F5M44)
Transmission Type 2.4L And 3.0L:
4-speed Automatic Transmission (F4A42 / F4A51)
Automatic Transmission Modes:
Includes 'Sport' mode for enhanced acceleration response (on certain trims)
Fluid Specifications Automatic
Atf Type:
Mitsubishi DiaQueen ATF-PA or equivalent ATF SP-II/SP-III
Atf Capacity Approx:
6.6 U.S. quarts (total capacity, approximately 3.5-4 quarts for drain and fill)
Fluid Specifications Manual
Mtf Type:
API GL-4 SAE 75W-90 Gear Oil (Mitsubishi recommends specific gear oils)
Length:
Approximately 191.7 inches
Width:
Approximately 70.1 inches
Height:
Approximately 56.9 inches
Wheelbase:
Approximately 106.3 inches
Front Track:
Approximately 60.4 inches
Rear Track:
Approximately 60.0 inches
Curb Weight 2.4L Auto:
Approximately 3,300 lbs
Curb Weight 3.0L Auto:
Approximately 3,450 lbs
Gross Vehicle Weight Rating Gvwr:
Approximately 4,400 - 4,550 lbs (varies by configuration)
Towing Capacity:
Not recommended/specified for towing
NHTSA Front Impact Driver:
Good (for models tested)
NHTSA Front Impact Passenger:
Good (for models tested)
NHTSA Side Impact Driver:
Good (for models tested)
NHTSA Side Impact Rear Passenger:
Good (for models tested)
IIHS Frontal Offset:
Good (for models tested)
IIHS Side Impact:
Good (for models tested)
Ebs Electronic Brake Force Distribution:
Standard
Airbags Front:
Driver and passenger front airbags (SRS)
Airbags Side:
Optional front side airbags and side curtain airbags on some trims
Seatbelts:
3-point seatbelts with pretensioners and load limiters
Child Seat Anchors:
LATCH system (Lower Anchors and Tethers for Children)
Audio System Standard:
AM/FM stereo with CD player, 4-6 speakers (depending on trim)
Audio System Optional:
Upgraded Rockford Fosgate audio system with subwoofer on higher trims (GT, GTS)
Cruise Control:
Standard on most trims
Traction Control:
Available on some higher trims (e.g., GTS)
Auxiliary Input:
Not typically available on factory systems; aftermarket solutions are common.
Usb Port:
Not typically available on factory systems.
Oil Change Interval:
Every 3,750 miles or 3.75 months (severe duty) / 7,500 miles or 7.5 months (normal duty) using synthetic oil; refer to owner's manual for specific recommendations.
Air Filter Replacement:
Inspect every 7,500 miles, replace as needed or every 15,000-30,000 miles.
Spark Plug Replacement:
4G69: Every 60,000 miles (Iridium plugs); 6G72: Every 100,000 miles (Platinum plugs).
Transmission Fluid Change Automatic:
Every 30,000-60,000 miles or as indicated by driving conditions. Drain and fill recommended over flush.
Brake Fluid Replacement:
Every 2-3 years or as needed. Flush and replace.
Coolant Replacement:
Initial replacement at 60,000 miles or 4 years, then every 30,000 miles or 2 years thereafter for HOAT coolant.
Power Steering Fluid:
Dexron III ATF or equivalent
Brake Fluid:
DOT 3 or DOT 4
Engine Mounts:
Premature wear and failure of engine mounts leading to vibration and noise.
Transmission Slipping:
Automatic transmission can exhibit slipping or delayed engagement, often related to solenoids or torque converter issues.
Cv Axles:
CV joint boots can tear, leading to lubrication loss and eventual failure.
ABS Sensors:
ABS wheel speed sensors can fail, triggering ABS warning lights.
Catalytic Converter:
Can sometimes become clogged or fail, leading to poor engine performance and check engine lights.
Mitsubishi Positioning:
Japanese automaker known for value, reliability, and performance-oriented models like the Lancer Evolution.
Galant Generation:
This manual covers the eighth generation (DJ/DE platform) of the Mitsubishi Galant, introduced in 2003 for the 2004 model year.
Eighth Gen Design:
Characterized by a distinctive 'cab-forward' design with a sweeping roofline and sharp styling cues, a departure from previous generations.
Production Location:
Normal, Illinois, USA (for North American market)
Production Years Specific To Manual
Model Years Covered:
2004, 2005, 2006, 2007, 2008
Safety Awards:
Received 'Good' ratings from IIHS for frontal offset and side impact crash tests for models in this generation.
Performance Trim Recognition:
The GTS trim, often featuring the V6 engine and sport-tuned suspension, was praised for its value proposition in the sport sedan category.