The 2007 MazdaSpeed3 is a high-performance compact hatchback renowned for its thrilling driving dynamics and practical utility. Building on the Mazda3 platform, this model distinguishes itself with an aggressive styling package, including a distinctive hood scoop and rear spoiler, and a potent 2.3L MZR DISI Turbo engine producing 263 horsepower and 280 lb-ft of torque. Engineered for enthusiasts, the MazdaSpeed3 features a performance-tuned suspension, a standard limited-slip differential, and powerful brakes, offering an engaging driving experience comparable to its German and Japanese performance rivals. Its turbocharged direct-injection engine and robust manual transmission deliver exhilarating acceleration and responsive power delivery, making it a standout in its segment for both spirited driving and everyday practicality. This comprehensive Factory Service Manual provides detailed information for the 2007 MazdaSpeed3 with the 2.0 L MZR DISI Turbo engine (L3-VDT). Spanning over 2000 pages, this English-language digital manual covers all aspects of vehicle maintenance, diagnosis, and repair. It includes in-depth procedures for engine mechanicals, the manual transmission, suspension, brakes, steering, and the complete electrical system, complete with detailed wiring diagrams. Owners, mechanics, and technicians will find step-by-step instructions for scheduled maintenance, troubleshooting common issues, component removal and installation, and complete system overhauls, ensuring the longevity and optimal performance of their MazdaSpeed3. 🏷️ Basic Information Identification Make: Mazda Model: MazdaSpeed3 Year: 2007 Engine Code: MZR DISI Turbo (L3-VDT) Codes Chassis Code: BK 👋 Introduction Market Position Segment: Compact Performance Hatchback Competitors: Volkswagen GTI, Subaru Impreza WRX, Honda Civic Si, Mitsubishi Lancer Ralliart Key Features Engine Type: Turbocharged Direct Injection (DISI) Drivetrain: Front-Wheel Drive (FWD) with Limited-Slip Differential (LSD) Suspension Tuning: Performance-oriented, stiffened suspension for improved handling Styling: Aggressive body kit, large rear spoiler, hood scoop 📋 Manual Details Coverage Areas Covered Model Years: 2007 Covered Engine Variants: 2.0 L MZR DISI Turbo I4 (L3-VDT) Covered Trim Levels: MazdaSpeed3 Page Count Estimated Pages: 2000+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete rebuild, timing, lubrication, cooling, intake, exhaust Engine Management: Fuel injection, ignition system, ECU diagnostics, sensors, actuators Transmission: Manual transmission (GFT), clutch, driveline, differential Suspension: Front and rear suspension components, alignment, shock absorbers, springs Brakes: Hydraulic system, ABS, brake calipers, rotors, pads, parking brake Steering: Power steering system, steering rack, tie rods Electrical System: Battery, charging system, starter, lighting, fuses, relays, wiring diagrams HVAC: Air conditioning, heating, ventilation, climate control system Body And Frame: Body panels, doors, glass, chassis structure, interior trim Safety Systems: Airbags, seatbelts, restraint systems Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks Diagnostics: Troubleshooting guides, symptom-based diagnostics, DTC code interpretation Repair: Component removal and installation, sub-assembly repairs, system adjustments Rebuilds: Engine, transmission, and major component overhaul procedures Specifications: Torque specifications, clearances, measurements, tolerances Wiring Diagrams: Detailed electrical schematics for all vehicle systems Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds) Detail Level: Factory-level diagnostic procedures and repair specifications 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Resolution: High-resolution scans for clarity Print Quality Printability: Printable for workshop use Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Name: MZR DISI Turbo (L3-VDT) Displacement: 1998 cc (2.0 Liters) Configuration: Inline 4-cylinder Bore X Stroke: 87.5 mm x 94.0 mm Compression Ratio: 9.5:1 Valvetrain: DOHC, 16 valves (4 per cylinder), Variable Valve Timing (VVT) Performance Horsepower: 263 hp @ 5500 rpm Torque: 280 lb-ft @ 3000 rpm Fuel System Induction: Turbocharged, Direct Injection (DISI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Turbocharger: Mitsubishi TD04-15T (or similar) with intercooler 🔧 Transmission Standard Type: 6-Speed Manual Transmission (GFT) Clutch: Hydraulic, Dry Single Plate Optional Type: N/A (Only Manual Available) Features Limited Slip Differential: Standard (Helical Type) Gear Ratios: Refer to manual for specific ratios (e.g., 1st: ~3.667, 2nd: ~2.130, 3rd: ~1.517, 4th: ~1.161, 5th: ~0.972, 6th: ~0.780) Transmission Fluid Type: GL-4 Gear Oil (e.g., Mazda Genuine GL-4 75W-90) 📐 Dimensions Exterior Length: 177.1 in (4498 mm) Width: 70.1 in (1780 mm) Height: 57.7 in (1465 mm) Wheelbase: 104.1 in (2644 mm) Front Track: 60.4 in (1535 mm) Rear Track: 59.8 in (1520 mm) Weights Curb Weight: 3,131 - 3,183 lbs (1420 - 1444 kg) Gross Vehicle Weight Rating: 4,299 lbs (1950 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5 Stars NHTSA Side Crash Test: 4 Stars NHTSA Rollover Resistance: 4 Stars Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Traction Control System (TCS) Stability Control: Standard Dynamic Stability Control (DSC) Passive Features Airbags: Front airbags, front side-impact airbags, side curtain airbags Seatbelts: 3-point seatbelts with pretensioners and load limiters Head Restraints: Active front head restraints 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD/MP3 audio system, often with auxiliary input. Optional premium audio available. Display: Multi-information display integrated...