This manual covers the 2007 Mazda 3 and MazdaSpeed 3, vehicles renowned for their engaging driving dynamics and sporty appeal within the compact segment. The Mazda 3 offers a balanced blend of responsive handling, a comfortable ride, and refined interior appointments, making it a practical yet enjoyable daily driver. For enthusiasts, the MazdaSpeed 3 elevates this experience with its powerful turbocharged engine, limited-slip differential, and aggressive styling, delivering exhilarating performance that rivals more expensive sport compacts. Both models embody Mazda's philosophy of "Jinba Ittai," or the unity of horse and rider, translating into a connected and intuitive driving experience that has earned them critical acclaim. This comprehensive factory service and repair manual provides detailed guidance for maintaining and repairing your 2007 Mazda 3 or MazdaSpeed 3. It covers a vast array of systems, including engine mechanical and performance controls, manual and automatic transmissions, drivetrain, brakes, suspension, steering, and the entire electrical system. Within its pages, you will find procedures for routine maintenance, major repairs, component replacement, and in-depth troubleshooting. The manual also includes essential technical specifications, wiring diagrams, and information on special tools, ensuring that both owners and professional technicians have the resources necessary to keep these vehicles in optimal condition and address any issues that may arise. 🏷️ Basic Information Identification Make: Mazda Model: Mazda 3 & MazdaSpeed 3 Model Code: BK (Mazda 3), BK (MazdaSpeed 3) Year: 2007 👋 Introduction Market Position Segment: Compact/Sport Compact Target Audience: Enthusiast drivers, budget-conscious buyers seeking sportiness and reliability Competitive Analysis Key Competitors: Honda Civic Si, Volkswagen GTI, Subaru Impreza WRX, Mitsubishi Lancer Ralliart/Evolution Distinguishing Features: Engaging driving dynamics, distinctive styling, available turbocharged performance (MazdaSpeed 3) Key Features Mazda3 Features: Balanced handling, comfortable ride, refined interior for its class, good fuel economy Mazdaspeed3 Features: Turbocharged 2.3L DISI engine, limited-slip differential, aggressive styling, significantly enhanced performance 📋 Manual Details Coverage Areas Coverage Scope: Complete factory service and repair Specific Models Covered: 2007 Mazda 3 (all trims, including sedan and hatchback), 2007 MazdaSpeed 3 Page Count Estimated Page Count: Thousands (typical for comprehensive factory manuals, exact count not specified in product info but implied) Manual Type Manual Type: Factory Service Repair Workshop Manual Language Language: English (implied by typical availability of such manuals and product description language) Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling system Engine Performance Controls: Fuel injection, ignition system, emissions control, engine management systems (ECU), sensors, actuators Transmission Manual: Clutch, gearbox assembly, shift mechanism, final drive, fluid specifications Transmission Automatic: Automatic transaxle assembly, valve body, torque converter, control systems, fluid specifications Drivetrain: Driveshafts, CV joints, differentials, AWD system (if applicable) Brakes: Hydraulic system, calipers, rotors, pads, ABS, EBD, parking brake, bleeding procedures Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, springs, alignment specifications Steering: Power steering system (hydraulic or electric), steering rack, tie rods, column, alignment Electrical System: Battery, charging system, starter, lighting (headlights, taillights, interior), horn, wipers, washers Body And Chassis: Body panels, doors, hood, trunk, glass, seals, structural components, anti-corrosion protection HVAC: Air conditioning, heating, ventilation, blower motor, evaporator, condenser, refrigerant charging Interior Trim: Dashboard, seats, carpets, door panels, headliner, trim pieces, airbags Safety Systems: Airbag system, seatbelt pre-tensioners, SRS module, diagnostics Diagnostic Troubleshooting: OBD-II codes, diagnostic procedures, wiring diagrams, component testing Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspections Major Repairs: Engine overhaul, transmission rebuild, suspension replacement, brake system repair Component Replacement: Alternator, starter, water pump, fuel pump, sensors, actuators, body panels Troubleshooting Guides: System-specific symptom analysis and repair pathways Wiring Diagrams: Detailed electrical schematics for all vehicle systems Specifications Data: Torque values, clearances, fluid capacities, alignment angles Special Tools: Identification and usage of manufacturer-specific or specialized tools required for repairs Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to in-depth mechanical and electrical diagnostics and repair Diagnostic Capabilities: Advanced troubleshooting for engine, transmission, ABS, SRS, and other electronic modules Rebuild Procedures: Detailed instructions for engine and transmission disassembly, inspection, and reassembly 📊 Manual Specifications File Format File Format: PDF PDF Quality: High-resolution, clear text and diagrams (assumed from product description stating 'top quality diagrams') Searchability: Searchable text content (typical for professionally produced PDF manuals) Printable: Printable pages Print Quality Diagram Quality: High quality, detailed schematics and illustrations Text Readability: Easy-to-read text sections Binding Type Binding Type: N/A (Downloadable PDF) Paper Type Paper Type: N/A (Downloadable PDF) ⚙️ Engine Specifications Primary Engine Mazda3 Engine Options: 2.0L MZR I4 (LF-VE), 2.3L MZR I4 (L3-VE) Mazdaspeed3 Engine: 2.3L MZR DISI Turbo I4 (L3-VDT) Performance Mazda3 2.0L Horsepower: 148 hp @ 6000 rpm Mazda3 2.3L Horsepower: 157 hp @ 6500 rpm Mazdaspeed3 Horsepower: 263 hp @ 5500 rpm Mazda3 2.0L Torque: 135 lb-ft @ 4500 rpm Mazda3 2.3L Torque: 144 lb-ft @ 4500 rpm Mazdaspeed3...