The 2007 MazdaSpeed3 represents a compelling entry in the compact performance hatchback segment, blending the practicality of a hatchback with the exhilaration of a powerful, turbocharged engine. Engineered with Mazda's signature focus on driving dynamics, this model is renowned for its sporty handling, direct-injected technology, and potent MZR DISI Turbo engine, delivering 263 horsepower and 280 lb-ft of torque. Designed for enthusiast drivers seeking a capable daily driver with significant tuning potential, the MazdaSpeed3 offers a unique combination of performance and utility. This comprehensive Workshop Service Repair Manual provides detailed guidance for the 2007 MazdaSpeed3, covering all essential systems and maintenance procedures. The manual includes in-depth information on engine mechanical and electrical systems, drivetrain, suspension, steering, brakes, and body and chassis components. Furthermore, it details routine maintenance, troubleshooting diagnostics, component replacement, rebuild procedures, and includes comprehensive wiring diagrams. Targeted at professional technicians and experienced DIYers, this English-language manual is an invaluable resource for ensuring the optimal performance, reliability, and longevity of your vehicle. 🏷️ Basic Information Identification Make: Mazda Model: MazdaSpeed3 Model Variant: MazdaSpeed 3 Year: 2007 Engine Code: L3-VDT Chassis Code: BK Platform: Mazda BK 👋 Introduction Market Position Segment: Compact Performance Hatchback Target Demographic: Enthusiast drivers seeking a practical yet potent daily driver. Competitive Analysis Key Competitors: Volkswagen GTI, Subaru Impreza WRX, Mitsubishi Lancer Ralliart. Key Features Distinctive Selling Points: Powerful turbocharged engine, direct-injected technology, sporty handling, practical hatchback design. Enthusiast Appeal: Known for its strong aftermarket support and tuning potential. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Download Target Audience: Professional Technicians & Experienced DIYers Page Count: Approximately 3000+ 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component testing, timing, lubrication, cooling, fuel injection, emissions. Engine Electrical: ECU, ignition system, sensor diagnostics, starter, alternator, wiring diagrams. Transmission Manual: Disassembly, inspection, repair, clutch system, shift linkage, gearbox overhaul, fluid specifications. Transmission Automatic: N/A for this model variant. Drivetrain: Front-wheel drive, differential, CV joints, axles, bearings. Suspension: MacPherson strut front, multi-link rear, shock absorbers, springs, control arms, bushings, alignment specifications. Steering: Power steering system, rack and pinion, steering column, power steering fluid. Brakes: Front and rear disc brakes, ABS system, brake fluid specifications, bleeding procedures, rotor and pad replacement. Body And Chassis: Body panels, doors, hood, trunk, interior trim, chassis structure, corrosion protection. HVAC: Air conditioning system, heater core, blower motor, refrigerant, climate control unit. Electrical Systems: Lighting, wipers, horn, power windows, power locks, mirrors, interior electronics, battery, charging system. Fuel System: Fuel tank, fuel pump, fuel filter, injectors, fuel pressure testing. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, pipes, hangers. Wheels And Tires: Tire specifications, pressure, rotation, wheel torque, bolt patterns. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, brake inspections, tire rotations. Troubleshooting: Diagnostic flowcharts, symptom-based fault finding, error code interpretation. Component Replacement: Step-by-step guides for major and minor components. Rebuild Procedures: Detailed instructions for engine, transmission, and turbocharger rebuilds. Wiring Diagrams: Comprehensive electrical system schematics. Special Tools: Identification and usage of specific tools required for certain repairs. Technical Depth Depth Level: Comprehensive, from basic checks to full engine and drivetrain rebuilds. Diagnostic Capabilities: Detailed information on OBD-II codes, sensor data interpretation, and advanced diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable Printability: Printable Quality: High-resolution scans of original factory documentation Binding Type: N/A (Digital Download) Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: MZR DISI Turbo (L3-VDT) Engine Type: Inline 4-cylinder, turbocharged, intercooled, DOHC, 16-valve Displacement: 2.3 Liters (2261 cc) Bore X Stroke: 87.5 mm x 94.0 mm Compression Ratio: 9.5:1 Performance Horsepower: 263 hp @ 5500 rpm Torque: 280 lb-ft @ 3000 rpm Fuel System Fuel Delivery: Direct Injection (DISI) with sequential electronic fuel injection Fuel Type: Premium Unleaded (91 Octane or higher recommended) Turbocharger: Mitsubishi TD04-15G or similar variable geometry turbocharger Intercooler: Air-to-air front-mounted intercooler 🔧 Transmission Standard Type: 6-speed Manual Transmission Optional Type: N/A Features Gear Ratios 1 To 6: 3.143 / 1.947 / 1.310 / 1.065 / 0.870 / 0.756 Final Drive Ratio: 3.765 Clutch Type: Hydraulically actuated, single dry plate 📐 Dimensions Exterior Length: 177.2 inches (4498 mm) Width: 70.1 inches (1780 mm) Height: 57.7 inches (1465 mm) Wheelbase: 104.7 inches (2659 mm) Front Track: 60.4 inches (1535 mm) Rear Track: 60.4 inches (1535 mm) Ground Clearance: 5.9 inches (150 mm) Interior Passenger Volume: 94.1 cu ft (2.66 m³) Front Headroom: 39.3 inches (998 mm) Front Legroom: 42.0 inches (1067 mm) Rear Headroom: 37.1 inches (942 mm) Rear Legroom: 31.7 inches (805 mm) Cargo Cargo Volume Rear Seats Up: 15.5 cu ft (0.44 m³) Cargo Volume Rear Seats Down: 42.7 cu ft (1.21 m³) Weights Curb Weight: 3190 lbs (1447 kg) Gross Vehicle Weight Rating: 4300 lbs (1950 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star NHTSA Side Impact: 5-Star IIHS...