🏷️ Basic Information

Make:

Mitsubishi

Model:

Lancer / Wagon

Year:

2004

Platform Code:

CS/CT (Global)

Generation Designation:

8th Generation (CS/CT)

👋 Introduction

Segment:

Compact Car / Small Family Car

Competitive Set:

Honda Civic, Toyota Corolla, Mazda3, Ford Focus, Subaru Impreza, Nissan Sentra.

Styling:

The 8th generation Lancer offered a distinctive 'tall-boy' profile for the sedan and a more practical wagon variant, often praised for its European-inspired design language.

Value Proposition:

Reliability, practicality, and a more affordable entry point compared to some competitors, especially in the wagon segment.

Manual Value:

Essential for DIY maintenance, troubleshooting, and repairs, providing factory-accurate procedures and specifications.

📋 Manual Details

Primary Coverage:

2004 Mitsubishi Lancer and Wagon models

Engine Variants Covered:

Likely covers 4G94 (2.0L SOHC) and potentially 4G15 (1.5L SOHC) depending on market distribution. Also, 4G63 (2.0L Turbo - Evolution models, though unlikely for a standard Lancer/Wagon manual unless specified).

Transmission Variants Covered:

Manual (5-speed) and Automatic (INVECS-II 4-speed) transmissions.

Estimated Page Count:

Likely 1000+ pages, characteristic of a full factory service manual.

Type:

Factory Service Manual (FSM)

Language:

English (Standard for most downloads)

Format:

Downloadable (likely PDF)

📖 Manual Coverage

Powertrain:

Engine Lubrication, Fuel System, Engine Cooling, Intake and Exhaust Systems, Engine Electrical, Engine and Emission Control, Clutch, Manual Transmission, Automatic Transmission.

Chassis:

Brakes, Steering, Suspension (Front and Rear), Wheels and Tires.

Body And Electrical:

Body, Electrical System (including lighting, wipers, horns, power accessories), HVAC (Heating, Ventilation, and Air Conditioning), Safety Systems (Airbags, Seatbelts).

Maintenance:

Scheduled maintenance, fluid checks and changes, filter replacements, lubrication.

Diagnostics And Troubleshooting:

Detailed diagnostic procedures, symptom-based troubleshooting charts, wiring diagrams, OBD-II diagnostics.

Repair And Overhaul:

Step-by-step repair instructions for all major components, including engine rebuilds, transmission overhauls, suspension and brake component replacement, body panel repair.

Specifications And Tolerances:

Detailed torque specifications, clearances, fluid capacities, electrical specifications.

Depth:

Comprehensive, covering everything from basic fluid changes to complete engine and transmission rebuilds, including electrical schematics and diagnostic flowcharts.

📊 Manual Specifications

File Type:

PDF

Searchable Text:

Likely, as is standard for factory service manuals.

Print Quality:

High resolution, suitable for printing individual sections or the entire manual.

Binding Type If Printed:

N/A (Digital Download)

Paper Type If Printed:

N/A (Digital Download)

Completeness:

Full Factory Service Manual covering all aspects of repair and maintenance, including diagnostics, wiring diagrams, and specifications.

⚙️ Engine Specifications

Engine Code Common:

4G94

Displacement:

2.0 Liters (1999cc)

Configuration:

Inline 4-cylinder, SOHC (Single Overhead Cam)

Bore X Stroke:

81.0 mm x 95.0 mm

Compression Ratio:

9.5:1

Horsepower Approx:

120-135 hp @ 5800-6000 rpm (market dependent)

Torque Approx:

130-135 lb-ft @ 4000-4500 rpm (market dependent)

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Fuel Octane Rating Recommended:

87 AKI (Octane rating may vary by region; consult manual for specifics)

🔧 Transmission

Transmission Type:

5-speed Manual Transmission

Transmission Type:

4-speed Automatic Transmission (INVECS-II)

Manual Clutch Type:

Hydraulic Actuated, Dry Single Plate

Automatic Control:

Electronic control with adaptive shift logic (INVECS-II).

Manual Transmission Fluid Type:

API GL-3 or GL-4, SAE 75W-85 (Manual transmission fluid specifications can vary; consult the manual for the definitive recommendation).

Automatic Transmission Fluid Type:

DIA QUEEN ATF SP-III or equivalent.

📐 Dimensions

Length:

4535 mm (178.5 in)

Width:

1730 mm (68.1 in)

Height:

1445 mm (56.9 in)

Length:

4470 mm (176.0 in)

Width:

1730 mm (68.1 in)

Height:

1510 mm (59.4 in)

Wheelbase:

2630 mm (103.5 in)

Curb Weight Approx:

1250-1350 kg (2756-2976 lbs) depending on body style and equipment.

Cargo Volume Seats Up:

Varies, but significantly more than sedan. Exact figures require manual consultation.

🛡️ Safety Features

NHTSA Front Impact:

Likely 4-star driver, 5-star passenger (based on similar models of the era, but requires manual verification).

IIHS Moderate Overlap Front:

Acceptable to Good (based on era and model class, verify with specific test data).

ABS:

Available (Standard on higher trims, optional on base).

Traction Control:

Available on some models/trims.

Airbags:

Front driver and passenger airbags standard. Optional side airbags may be available.

Seatbelts:

3-point seatbelts with pretensioners and load limiters for front seats.

💡 Technology Features

Audio System:

Factory fitted radio/CD player, often with 4-6 speakers. Higher trims may offer premium sound systems.

Navigation:

Rare, typically an aftermarket option or not available on this generation's standard models.

Cruise Control:

Available on most trims.

Auxiliary Input:

Uncommon for factory systems of this era; typically an aftermarket modification.

🔧 Maintenance

Oil Change Interval:

Typically 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first. Consult manual for exact interval based on driving conditions.

Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection. Manual is key.

Spark Plug Replacement:

For standard spark plugs: 30,000-60,000 miles. For iridium-tipped plugs: 90,000-100,000 miles. Manual will specify plug type and interval.

Engine Oil Type:

API SJ/SL, ILSAC GF-2/GF-3 certified. Viscosity: SAE 5W-30 is common. Check oil cap or manual for precise recommendation.

Engine Oil Capacity:

Approximately 4.2 Liters (4.4 US Quarts) with filter change for the 2.0L engine. Verify in manual.

Coolant Type:

Mitsubishi Super Long Life Coolant (Green) or equivalent (Ethylene Glycol based, silicate-free).

Brake Fluid Type:

DOT 3 or DOT 4 (verify in manual).

Common Concerns:

Potential for exhaust manifold cracks (especially on higher mileage vehicles), occasional sensor failures (e.g., crank/cam sensors), HVAC blower motor resistor issues, and slight oil consumption can be present in some units. Proper diagnosis and repair steps are detailed in the manual.

📚 Vehicle History

Manufacturer:

Mitsubishi Motors Corporation, a Japanese multinational automotive manufacturer.

Lancer Lineage:

The Lancer is a long-running nameplate for Mitsubishi, dating back to 1973, known for its rally heritage (Lancer Evolution) and general practicality.

8Th Gen Introduction:

Introduced globally in 2000 (Japan) and 2001 (North America). The 2004 model year represents a mid-cycle refresh or continuation of this generation.

Production Locations:

Primarily manufactured in Japan, but also in other global facilities depending on market demand.

🏆 Awards & Recognition

Segment Performance:

While not typically winning major awards, the Lancer was consistently recognized for its value and reliability within the compact segment.

Consumer Reports:

Consumer Reports ratings for this model year varied; some areas showed average to good reliability, while others were below average. The manual helps address specific repair needs.