Segment:
Mid-size sedan (also available as wagon).
Description:
The 2003 Mazda 6 (Codename GG/GY) was a significant model for Mazda, aiming to compete with established players like the Honda Accord and Toyota Camry with a focus on sporty handling and distinctive styling.
Competitors:
Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Chevrolet Malibu.
Design Philosophy:
Mazda's 'Zoom-Zoom' philosophy emphasizing dynamic driving feel and responsive handling.
Styling:
Often praised for its European-inspired styling and aerodynamic profile.
Handling:
Multi-link front suspension and independent rear suspension contributed to excellent road manners.
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Emission Control, Cooling System, Lubrication System, Engine Control Module (ECM) Diagnosis.
Drivetrain:
Manual Transmission (MT) and Automatic Transmission (AT) repair, differential, driveshafts, CV joints.
Chassis:
Front and Rear Suspension (including specific component diagnostics and replacement), Steering System (including power steering), Brake System (including ABS and EBD), Wheel and Tire specifications.
Electrical:
Complete electrical system schematics, lighting systems, power windows, locks, mirrors, instrument cluster, audio system, body control module (BCM), diagnostic trouble codes (DTCs).
Body:
Body panel removal and installation, door mechanisms, interior trim, glass, seals, collision repair information.
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, coolant flushes, belt inspections and replacement, brake pad and rotor replacement.
Diagnostic Procedures:
Step-by-step diagnostic flowcharts for common and complex issues, OBD-II code interpretations and troubleshooting, component testing procedures.
Repair And Overhaul:
Detailed instructions for engine component removal and installation (e.g., cylinder head, pistons), transmission overhaul, suspension component replacement, brake caliper rebuild.
Special Tools:
Identification and usage instructions for specialized Mazda tools required for specific repairs.
Torque Specifications:
Precise torque values for critical fasteners throughout the vehicle.
Depth Level:
Comprehensive (from basic fluid checks to complete engine/transmission rebuilds and advanced electrical diagnostics).
Detail Level:
Highly detailed, often with exploded views, schematics, and step-by-step instructions with photographic references.
Searchability:
Text-searchable (allows for quick finding of specific topics).
Quality:
High-resolution scans suitable for printing.
Binding Information:
Digital download (PDF), no physical binding.
Paper Information:
Not applicable (digital format).
Engine Code:
LF-DE (2.0L), FS-DE (2.3L)
Engine Type:
Inline 4-cylinder, DOHC, 16-valve, naturally aspirated.
Displacement 2.0L:
1991 cc (121.5 cu. in.)
Displacement 2.3L:
2261 cc (137.9 cu. in.)
Horsepower 2.0L:
Approx. 122 hp @ 6000 rpm
Torque 2.0L:
Approx. 138 lb-ft @ 4300 rpm
Horsepower 2.3L:
Approx. 148 hp @ 6000 rpm
Torque 2.3L:
Approx. 150 lb-ft @ 4000 rpm
Injection:
Electronic Fuel Injection (EFI) with Sequential Port Injection.
Fuel Type:
Unleaded gasoline (87 octane or higher recommended).
ECU Type:
Mazda proprietary Engine Control Unit (ECU).
Transmission Type:
5-speed manual transmission (FS5A-EL for some engines).
Transmission Type:
4-speed automatic transmission with lock-up torque converter.
Automatic Modes:
Includes 'Sport' mode for more aggressive shifting.
Automatic Fluid:
Dexron III or equivalent (check specific manual for exact spec).
Manual Fluid:
GL-4 gear oil (viscosity may vary by climate, typically 75W-90).
Length:
Approximately 186.8 inches (4745 mm).
Width:
Approximately 70.1 inches (1780 mm).
Height:
Approximately 57.3 inches (1455 mm).
Wheelbase:
Approximately 105.3 inches (2675 mm).
Curb Weight:
Varies by trim and engine, typically 3100-3300 lbs (1406-1497 kg).
NHTSA Front Impact:
4/5 stars (driver/passenger).
NHTSA Side Impact:
4/5 stars (driver/passenger).
ABS:
Standard Anti-lock Braking System.
Ebd:
Standard Electronic Brakeforce Distribution.
Airbags:
Front airbags, optional side-impact airbags.
Seatbelts:
3-point seatbelts with pretensioners.
Oil Change:
Every 5,000 miles or 6 months, whichever comes first.
Air Filter:
Inspect every 15,000 miles, replace as needed.
Spark Plugs:
Replace approximately every 60,000 miles (NGK Platinum recommended).
Coolant Flush:
Every 30,000 miles or 2 years.
Brake Fluid:
Replace every 30,000 miles or 2 years.
Engine Oil:
SAE 5W-20 or 5W-30 API SL/SM certified (check manual for specific engine).
Coolant:
Mazda FL22 Long Life Coolant or equivalent ethylene glycol-based coolant with demineralized water (50/50 mix).
Rust:
Prone to rust in certain climates, especially around wheel wells and rocker panels. Regular inspection and rustproofing recommended.
Power Steering Pump:
Some models may experience noise or failure of the power steering pump. Fluid level checks and proper fluid type are crucial.
Engine Mounts:
Worn engine mounts can lead to increased vibration felt in the cabin.
Cv Joints:
Dust boots can tear, leading to contamination and premature wear of CV joints.
Brand Focus:
Mazda has a long history of producing reliable and engaging vehicles, often emphasizing driving dynamics.
First Generation:
The 2003 Mazda 6 marked the introduction of the first generation (GG/GY) for global markets, replacing the Mazda Capella/626.
Body Styles:
Available as a 4-door sedan, 5-door hatchback, and 5-door wagon.
Production Period:
First generation produced from 2002 to 2007.
