Basic Information Identification Make: Mazda Model: Mazda 3 Platform: BK Market Segment: Compact Car (C-segment) Generation Generation Name: 1st Generation Generation Years: 2003-2009 (Global), 2003-2007 (North America) Codes Chassis Code Prefix: BK Engine Code Prefix: LF (MZR), L3 (MZR) Introduction Market Position Market Position: The Mazda 3 (BK) was a pivotal model for Mazda, aiming to compete directly with established players like the Honda Civic and Toyota Corolla. It offered a sportier driving dynamic and more upscale interior than many of its rivals in the compact segment. Competitive Analysis Competitive Analysis: Competed against vehicles such as the Honda Civic, Toyota Corolla, Ford Focus, Volkswagen Golf, and Nissan Sentra. Its success was driven by its engaging driving experience, distinctive styling, and good value proposition. Key Features Key Features: Sporty handling, Zoom-Zoom driving philosophy, available in sedan and hatchback body styles, wide range of engine options, distinctive exterior design. Manual Details Coverage Areas Primary Coverage: North America (2003-2007) Secondary Coverage: Global variants (referencing common components) Page Count Estimated Page Count: ~2000-3000+ (typical for comprehensive service manuals) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing, lubrication, cooling Engine Management: Fuel injection, ignition, emission control systems, sensors, actuators, diagnostic trouble codes (DTCs) Transmission Manual: Clutch, gearbox overhaul, internal components, gear ratios, shift mechanism Transmission Automatic: Automatic transaxle overhaul, hydraulic control, torque converter, planetary gears, valve body, solenoids Drivetrain: Front axle, rear axle (if applicable), drive shafts, CV joints, differential Suspension: Front suspension (McPherson struts), rear suspension (multi-link), shocks, struts, springs, control arms, bushings, wheel alignment Steering: Power steering system (hydraulic), steering rack, column, linkage, alignment Brakes: Front and rear brake systems (disc brakes), ABS, EBD, brake fluid, calipers, rotors, pads, lines, master cylinder Electrical System: Battery, charging system (alternator), starting system (starter), lighting, accessories, wiring diagrams, fuses, relays Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, mirrors, seals, trim Body Interior: Seats, dashboard, door panels, headliner, carpet, climate control vents, airbags Climate Control: HVAC system, refrigerant, compressor, evaporator, condenser, blower motor, controls Safety Systems: Airbag system, SRS components, seatbelt pretensioners Procedures Included Scheduled Maintenance: Oil changes, filter replacements, fluid checks/changes, spark plug replacement, belt inspection/replacement Diagnostic Procedures: Troubleshooting guides, symptom-based diagnosis, electrical testing, fuel system testing Repair Procedures: Step-by-step instructions for component removal, installation, and overhaul Component Rebuild: Detailed instructions for rebuilding engines, transmissions, steering racks, etc. Electrical Troubleshooting: Wiring diagrams, circuit tracing, component testing procedures Body Repair: Panel replacement, alignment procedures, glass installation Emissions Testing: Information for emissions system diagnosis and repair Technical Depth Diagnostic Capability: Advanced diagnostics including component resistance values, signal waveforms, and troubleshooting flowcharts Repair Complexity: Covers basic maintenance to complete engine and transmission rebuilds, suitable for professional technicians Specification Detail: Includes precise torque specifications, clearance measurements, fluid capacities, and electrical schematics Manual Specifications File Format File Format: PDF Searchable Text: Yes (typically, depending on original scan quality) Print Quality Print Quality: High-resolution, suitable for printing individual pages or sections Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Engine Specifications Primary Engine Engine Options North America: 2.0L DOHC I4 (LF-DE/LF-VVT), 2.3L DOHC I4 (L3-VE) Engine Code 2 0L: LF-DE / LF-VVT Engine Code 2 3L: L3-VE Performance Power Output 2 0L: ~148-150 hp @ 6000 rpm Torque Output 2 0L: ~135-140 lb-ft @ 4500 rpm Power Output 2 3L: ~160-170 hp @ 6000 rpm Torque Output 2 3L: ~150-155 lb-ft @ 4500 rpm Engine Performance Variant: MazdaSpeed3 (MZR DISI Turbo, L3-VDT, 2.3L) - not covered by this manual, but a key variant of the platform. Fuel System Fuel System: Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 or higher (89+ recommended for 2.3L for optimal performance) Transmission Standard Standard Transmission North America: 5-speed Manual Transmission Optional Optional Transmission North America: 4-speed Automatic Transaxle Features Transmission Features: Sport-shift mode on automatic transmission (select trims) Transmission Fluid Type Auto: Mazda ATF MV (MERCON V equivalent) or DEXRON III Dimensions Exterior Body Styles: 4-door Sedan, 5-door Hatchback Wheelbase: ~103.7 inches (2635 mm) Length Sedan: ~176.8 inches (4490 mm) Length Hatchback: ~168.5 inches (4280 mm) Width: ~69.1 inches (1755 mm) Height Sedan: ~57.3 inches (1455 mm) Height Hatchback: ~57.7 inches (1465 mm) Wheel Bolt Pattern: 5x114.3 mm (5x4.5 inches) Wheel Size Standard: 15-inch, 16-inch, 17-inch (depending on trim) Cargo Cargo Volume Sedan: ~11.4 cu ft (323 L) Cargo Volume Hatchback: ~19.6 cu ft (552 L) (seats up) Weights Curb Weight Approx: ~2900-3200 lbs (1315-1450 kg) (depending on configuration) Safety Features Ratings NHTSA Front Crash Test: 5-star (Driver and Passenger) IIHS Side Impact Test: Good (for models equipped with side airbags) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS...