Target Audience:
DIY mechanics, independent repair shops, enthusiasts
Competitors:
Toyota Camry, Honda Accord, Nissan Altima, Ford Fusion, Chevrolet Malibu
Design Philosophy:
Sporty styling, comfortable ride, reliable powertrain
Engine Options:
V6 and 4-cylinder engine choices for balanced performance and economy.
Transmission Offering:
Smooth-shifting automatic transmission with manual mode.
Engine Mechanical:
Engine assembly, cylinder head, block, pistons, crankshaft, timing system, lubrication system, cooling system, fuel delivery.
Engine Performance:
Engine control system (ECU), ignition system, fuel injection, emissions control.
Transmission:
Automatic transmission (INVECS-II Sport Mode) repair, diagnosis, fluid, internal components, control systems.
Drivetrain:
Front-wheel drive, axles, CV joints, differentials.
Brakes:
Hydraulic system, ABS, master cylinder, calipers, rotors, brake pads, bleeding procedures, parking brake.
Suspension:
Front and rear suspension, struts, springs, control arms, bushings, wheel alignment.
Steering:
Power steering system, steering column, rack and pinion, tie rods.
Electrical System:
12V battery, charging system, starter motor, lighting, horn, power windows, mirrors, seats, door locks.
Body And Trim:
Exterior panels, doors, hoods, trunks, bumpers, interior trim, seats, headliner, carpet.
HVAC:
Heating, ventilation, air conditioning system diagnosis, repair, refrigerant, components.
Safety Systems:
Airbags, seatbelt pre-tensioners, SRS system diagnosis.
Diagnostics:
OBD-II system, diagnostic trouble codes (DTCs), scan tool procedures, sensor testing.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections.
Troubleshooting:
Step-by-step diagnostic flowcharts for common and uncommon issues, symptom-based diagnostics.
Component Removal Installation:
Detailed instructions for removing and installing major and minor components.
Rebuilding Procedures:
Instructions for rebuilding major components like engines and transmissions (where applicable).
Calibration Adjustment:
Procedures for adjusting sensors, actuators, and other systems.
Schematics:
Electrical schematics for all major systems.
Depth:
Comprehensive, covering all aspects from basic maintenance to full overhaul and advanced diagnostics.
Engine Type:
3.0L SOHC V6
Bore X Stroke:
86.1 mm x 86.0 mm
Valvetrain:
SOHC, 24 valves (4 per cylinder)
Horsepower Peak:
195 hp @ 5500 rpm (approx.)
Torque Peak:
203 lb-ft @ 4500 rpm (approx.)
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Regular 87 Octane
ECU Type:
Mitsubishi Electronic Control Unit (ECU)
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug or coil-near-plug
Oil Change Interval:
Every 3,750 miles (6,000 km) or 3 months, whichever comes first (severe driving), or 7,500 miles (12,000 km) or 6 months (normal driving).
Engine Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Cabin Air Filter Replacement:
Every 12,000 miles (19,000 km) or 12 months (if equipped).
Spark Plug Replacement:
Iridium-tipped spark plugs: 105,000 miles (169,000 km).
Transmission Fluid Change:
Every 45,000 miles (72,000 km) or 36 months, inspect at every oil change.
Coolant Flush Replace:
Every 30,000 miles (48,000 km) or 24 months.
Timing Belt Replacement:
This model features a timing chain, not a belt, for the V6 engine, requiring no periodic replacement. The 4-cylinder may have a belt.
Engine Oil Type:
API Service SG, SH, SJ, or higher, SAE 5W-30 (preferred) or 10W-30.
Engine Oil Capacity:
~4.5 Liters (4.8 US qts) with filter change (V6)
Coolant Type:
Mitsubishi Super Long Life Coolant (Green) or equivalent HOAT coolant.
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid Type:
Mitsubishi ATF SP-III or equivalent DEXRON III/MERCON compatible fluid.
Engine Mounts:
Wear and tear leading to vibrations, especially under acceleration.
Transmission Shifting:
Occasional harsh shifts or delayed engagement, often related to fluid condition or solenoid issues.
Ignition Coils:
Premature failure of ignition coils can lead to misfires and rough running.
Power Steering Pump:
Leaks or noisy operation, often from seal failure.
HVAC Blend Door Actuator:
Failure of the blend door actuator can result in incorrect temperature delivery.
Exhaust System:
Corrosion and leaks in the exhaust pipes, muffler, or catalytic converter.
Mitsubishi Legacy:
Mitsubishi Motors Corporation, a Japanese multinational automotive manufacturer with a history dating back to 1917.
Galant Generations:
The 2004 Galant is part of the eighth generation (1996-2003 globally, with a facelift in 2000) which saw significant design and engineering updates. It was replaced by the ninth generation in 2003 for the Japanese market, but the eighth generation was produced and sold in North America until 2006.
Eighth Generation Updates:
The facelifted eighth generation (2000-2006 in North America) received updated styling, improved interior features, and powertrain refinements compared to the pre-facelift models.
Manufacturing Location:
North American models were primarily assembled in Normal, Illinois, USA.
Model Years North America:
1999-2006 (Eighth Generation)