🏷️ Basic Information

Make:

Mazda

Model:

Mazda6

Year:

2004

Chassis Code:

GG

Body Style Codes:

Sedan (4-door), Hatchback (5-door), Wagon (5-door)

👋 Introduction

Vehicle Segment:

Mid-size Sedan, Hatchback, Wagon

Target Audience:

Individuals seeking reliable and engaging driving dynamics, practical space, and distinctive styling in a mainstream sedan.

Key Competitors:

Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Chevrolet Malibu.

Driving Dynamics:

Renowned for its 'Zoom-Zoom' driving philosophy, offering sharp handling and responsive steering.

Styling:

Sporty and aerodynamic exterior design, with a refined interior.

Practicality:

Available in sedan, hatchback, and wagon body styles, providing versatility for different needs.

📋 Manual Details

Manual Type:

Full Service Repair Manual

Language:

English

Format:

PDF Download

Estimated Page Count:

1500+

📖 Manual Coverage

Engine Mechanical:

Detailed overhaul and repair procedures for all engine variants, including timing belts/chains, piston rings, cylinder heads, crankshafts, and lubrication systems.

Engine Performance:

Ignition system diagnosis and repair, fuel injection system operation and troubleshooting, emission control systems (catalytic converter, O2 sensors, EVAP).

Transmission Manual:

Complete repair and overhaul instructions for manual transmissions, including clutch replacement, gearbox disassembly, and gear selection mechanisms.

Transmission Automatic:

Detailed procedures for automatic transmission diagnosis, repair, fluid changes, torque converter servicing, and valve body troubleshooting.

Drivetrain:

Front-wheel drive (FWD) and all-wheel drive (AWD) system repair, including CV joints, driveshafts, differentials, and wheel bearings.

Suspension And Steering:

Comprehensive coverage of front and rear suspension components (struts, shocks, control arms, bushings), power steering system diagnosis and repair, and steering rack replacement.

Brakes:

Diagnosis and repair of hydraulic brake systems, including brake pad and rotor replacement, caliper servicing, brake fluid flush, ABS system troubleshooting, and parking brake adjustments.

Electrical System:

Wiring diagrams for all circuits, diagnosis and repair of lighting systems, instrument cluster, power windows, door locks, central locking, and accessory circuits.

Body And Frame:

Body panel alignment, door and trunk lid adjustments, interior trim removal and installation, convertible top (if applicable) servicing, and structural repair guidance.

Heating Ventilation And Air Conditioning HVAC:

Diagnosis and repair of HVAC systems, including refrigerant handling, compressor replacement, condenser and evaporator servicing, blower motor testing, and climate control system troubleshooting.

Diagnostic Trouble Codes DTCs:

Extensive listing of OBD-II DTCs with detailed explanations, potential causes, and diagnostic procedures.

Scheduled Maintenance:

Detailed service intervals and procedures for oil changes, filter replacements, fluid checks, tire rotations, brake inspections, and spark plug replacement.

Troubleshooting Guides:

Systematic troubleshooting flowcharts and diagnostic trees for common and uncommon issues across all vehicle systems.

Component Replacement:

Step-by-step instructions for replacing virtually every serviceable component, from minor sensors to major engine and transmission assemblies.

Rebuilding Procedures:

In-depth guides for rebuilding major assemblies such as engines, transmissions, power steering racks, and AC compressors.

Electrical Diagnosis:

Techniques for diagnosing electrical faults using multimeters, oscilloscopes, and factory diagnostic tools, with detailed wiring diagrams.

Body Repair:

Guidance on dent removal, panel replacement, rust repair, and painting preparation.

Depth Of Coverage:

Comprehensive from basic owner maintenance to advanced workshop-level repairs and diagnostics.

Diagnostic Capabilities:

Includes diagnostic strategies, symptom-based troubleshooting, and specific procedures for identifying root causes of malfunctions.

Specification Accuracy:

Provides precise torque specifications, fluid capacities, clearances, and tolerances required for accurate repairs.

📊 Manual Specifications

File Type:

PDF

Searchability:

Fully searchable text for quick information retrieval.

Image Resolution:

High-resolution images and diagrams suitable for printing.

Layout:

Clear and organized layout mirroring factory service manual structure.

Digital Format:

N/A (Digital Download)

Digital Format:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code:

LF-DE (2.0L), L3-VE (2.3L)

Engine Type:

Inline 4-cylinder, DOHC, 16-valve

Displacement:

1999 cc (2.0L) / 2261 cc (2.3L)

Horsepower 2.0L:

148 hp @ 6000 rpm

Torque 2.0L:

142 lb-ft @ 4500 rpm

Horsepower 2.3L:

160 hp @ 6000 rpm

Torque 2.3L:

155 lb-ft @ 4500 rpm

Fuel Induction:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline

Recommended Octane:

87 AKI (or higher)

🔧 Transmission

Transmission Type 2.0L:

5-speed manual

Transmission Type 2.3L:

5-speed manual

Transmission Type 2.0L:

4-speed automatic

Transmission Type 2.3L:

5-speed automatic (Sport AT)

Automatic Transmission Features:

Selectable sport mode, manual shift capability (in 5-speed auto).

Manual Transmission Fluid:

API GL-4, SAE 75W-90 (e.g., Mazda Genuine Oil or equivalent)

Automatic Transmission Fluid:

Mazda ATF MV (or Dexron III/Mercon equivalent)

📐 Dimensions

Length Sedan:

186.8 inches (4745 mm)

Width:

70.1 inches (1780 mm)

Height Sedan:

56.9 inches (1445 mm)

Wheelbase:

105.3 inches (2675 mm)

Track Width Front:

60.6 inches (1540 mm)

Track Width Rear:

60.2 inches (1530 mm)

Ground Clearance:

5.7 inches (145 mm)

Cargo Volume Sedan:

14.2 cu ft (402 liters)

Curb Weight 2.0L Manual:

3186 lbs (1445 kg)

Curb Weight 2.3L Manual:

3252 lbs (1475 kg)

Curb Weight 2.3L Automatic:

3318 lbs (1505 kg)

🛡️ Safety Features

NHTSA Front Impact Driver:

★★★★★ (5-star)

NHTSA Front Impact Passenger:

★★★★★ (5-star)

NHTSA Side Impact Front Passenger:

★★★★☆ (4-star)

NHTSA Side Impact Rear Passenger:

★★★★☆ (4-star)

IIHS Front Offset Crash Test:

Good

IIHS Side Impact Crash Test:

Good

ABS:

Standard (4-wheel anti-lock braking system)

Traction Control:

Optional (TCS), Standard on some higher trims.

Electronic Stability Control:

Optional (DSC - Dynamic Stability Control), Standard on some higher trims.

Airbags Front:

Dual front airbags

Airbags Side:

Optional front side-impact airbags, Optional side-curtain airbags (front and rear, depending on body style and trim).

Seatbelts:

3-point height-adjustable front seatbelts with pretensioners and load limiters, 3-point rear seatbelts.

💡 Technology Features

Audio System:

AM/FM stereo with CD player. Available premium Bose® audio system on some trims.

Display:

Center console display for audio and climate control information.

Cruise Control:

Standard on most trims.

Auxiliary Input:

Not typically standard; may be available as an aftermarket addition or on later production models.

Bluetooth:

Not standard; available as an aftermarket accessory or on later model years.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first. Check owner's manual for specific conditions.

Air Filter Replacement Interval:

Every 30,000 miles (48,000 km) or as needed based on driving conditions.

Spark Plug Replacement Interval:

Platinum spark plugs: Every 100,000 miles (160,000 km). Iridium spark plugs (if applicable): Every 100,000-120,000 miles (160,000-192,000 km).

Timing Belt Or Chain:

2.0L engine (LF-DE) uses a timing belt; recommended replacement every 60,000-90,000 miles (96,000-144,000 km) or 6-7 years. 2.3L engine (L3-VE) uses a timing chain, which is generally maintenance-free but requires inspection.

Brake Fluid Flush Interval:

Every 2-3 years or as specified by manufacturer's schedule.

Engine Oil Capacity 2.0L:

4.8 US quarts (4.5 liters) with filter change

Engine Oil Capacity 2.3L:

5.0 US quarts (4.7 liters) with filter change

Engine Oil Viscosity:

SAE 5W-20 (preferred) or 5W-30 for most conditions. Consult manual for temperature-specific recommendations.

Coolant Type:

Long-life ethylene glycol-based coolant, typically a pink or orange color (e.g., Mazda FL22 or equivalent).

Engine Mounts:

Premature wear or failure of engine and transmission mounts, leading to vibration and clunking noises.

Rust And Corrosion:

Susceptibility to rust on wheel arches, rocker panels, and suspension components, particularly in areas with road salt.

Power Steering Leaks:

Occasional leaks from the power steering hose or rack seals.

Window Regulators:

Failure of power window regulators, leading to windows not operating.

Cv Axle Boots:

Torn CV axle boots can lead to grease loss and premature wear of the CV joints.

📚 Vehicle History

Mazda Philosophy:

Mazda's long-standing reputation for building reliable and fun-to-drive vehicles, often emphasizing driver engagement.

First Generation Introduction:

The first generation Mazda6 (known as Atenza in Japan and some other markets) was introduced in 2002 for the 2003 model year, marking Mazda's entry into the competitive mid-size segment with a focus on performance and design.

2004 Model Year Significance:

The 2004 model year represented an important year for the first-generation Mazda6, solidifying its market presence and offering refined features and options across its sedan, hatchback, and wagon variants.

Manufacturing Locations:

Japan (Hofu), USA (Flat Rock, Michigan)

Production Period:

First Generation: 2002-2008

🏆 Awards & Recognition

Car And Driver 10 Best:

The Mazda6 was recognized on Car and Driver's 10 Best list for 2004, highlighting its excellent handling and driving dynamics for its class.

Various Automotive Journalism Awards:

Received numerous awards and positive reviews from automotive publications for its combination of sportiness, comfort, and value.