The Mazda 6, introduced for the 2003 model year, represents the first generation (GG/GY) of Mazda's mid-size offering, available as a sedan, hatchback, or wagon. Built on a shared platform, this vehicle was designed with a philosophy emphasizing sporty handling, attractive styling, and a strong connection between the driver and the road. It competed in a segment with notable rivals like the Honda Accord and Toyota Camry, often praised for its value for money and European-inspired design. The Mazda 6 offered a choice between a 160-horsepower 2.3L inline-4 engine and a more potent 220-horsepower 3.0L V6 engine, paired with either a 5-speed manual or a 4-speed automatic transmission. Safety features included standard Anti-lock Braking System (ABS) and available options like traction control and Dynamic Stability Control, along with front and optional side/curtain airbags. This comprehensive factory service manual is designed to be an indispensable resource for maintaining and repairing the Mazda 6. It covers a wide range of systems, including powertrain, transmission and drivetrain, suspension and steering, brakes, electrical and electronics, HVAC, and body/chassis components. Detailed procedures are provided for routine maintenance, such as oil changes and filter replacements, as well as more in-depth repair and overhaul tasks for engines, transmissions, and various vehicle systems. The manual also offers guidance on diagnostics and troubleshooting, including the interpretation of diagnostic trouble codes. With an estimated 2000-3000 pages, this English-language digital manual provides extensive technical information to assist owners, mechanics, and technicians in keeping their Mazda 6 in optimal condition. 🏷️ Basic Information Identification Make: Mazda Model: Mazda 6 Year: 2003 Generation Generation Designation: First Generation (GG/GY) Codes Chassis Code: GG (Sedan/Hatchback), GY (Wagon) 👋 Introduction Market Position Segment: Mid-size Sedan/Hatchback/Wagon Usp: Sporty handling, attractive styling, value for money Competitive Analysis Key Competitors: Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Volkswagen Passat Key Features Design Philosophy: Zoom-Zoom driving dynamics, Jinba-Ittai (horse and rider as one) Platform: Ford Global CD3 Platform (shared with Ford Mondeo, Volvo S60/V70) 📋 Manual Details Coverage Areas Engines Covered: 2.3L L3-VE I4, 3.0L AJ V6 Transmissions Covered: 5-speed Manual (FS5A-EL), 4-speed Automatic (G4A-EL) Body Styles Covered: Sedan, Hatchback, Wagon Page Count Estimated Page Count: Approximately 2000-3000 pages (typical for comprehensive factory service manuals) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, lubrication, cooling, fuel, ignition, exhaust, emissions control, engine electrical, starter, charging, powertrain control module (PCM) diagnosis Transmission Drivetrain: Manual transmission overhaul, automatic transmission overhaul, clutch, drive axles, differential Suspension Steering: Front suspension, rear suspension, steering system, power steering, wheel alignment Brakes: Brake system operation, hydraulic components, disc brakes, drum brakes (if applicable), ABS, parking brake Electrical Electronics: Wiring diagrams, battery, charging system, starting system, lighting, instruments, gauges, wipers, washers, horn, power accessories, body control module (BCM), immobilizer system HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant handling, climate control Body Chassis: Body construction, interior trim, exterior trim, doors, windows, seats, safety restraints (airbags, seatbelts) Procedures Included Maintenance Routine: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement Repair Overhaul: Engine disassembly and assembly, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component testing and replacement Diagnostics Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical circuit testing, component testing Technical Depth Depth: Comprehensive (from basic maintenance to full engine and transmission rebuilds) 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (OCR processed) Print Quality Resolution: High-resolution (suitable for printing) Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code 1: L3-VE Engine Type 1: 2.3L DOHC 16-valve Inline-4 Horsepower 1: 160 hp @ 6000 rpm Torque 1: 150 lb-ft @ 4000 rpm Optional Engine Engine Code 2: AJ Engine Type 2: 3.0L DOHC 24-valve V6 Horsepower 2: 220 hp @ 6300 rpm Torque 2: 205 lb-ft @ 5000 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-port Fuel Injection (S-MPFI) Fuel Type: Unleaded Gasoline (87 Octane recommended) 🔧 Transmission Standard Transmission Type 1: 5-speed Manual (FS5A-EL) Optional Transmission Type 2: 4-speed Automatic (G4A-EL) Features Automatic Features: Activematic (manual shift mode for automatic transmission) Fluid Specifications Automatic Transmission Fluid: Mazda ATF-Type T-IV or equivalent Manual Transmission Fluid: GL-4 SAE 75W-90 Gear Oil 📐 Dimensions Exterior Length Sedan: 187.6 inches (4765 mm) Width: 70.1 inches (1780 mm) Height Sedan: 57.1 inches (1450 mm) Wheelbase: 105.3 inches (2675 mm) Weights Curb Weight Est: 3200-3500 lbs (1450-1590 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Frontal Driver Side: 5-star NHTSA Frontal Passenger Side: 5-star IIHS Side Impact: Good (for models with side airbags) Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Optional (TCS) Electronic Stability Control: Optional (DSC - Dynamic Stability Control) Passive Features Airbags: Front airbags, available front side airbags, available side...