🏷️ Basic Information Identification Make: Mazda Model: 3 Years Covered: 2003, 2004, 2005, 2006 Codes Chassis Codes: BK (First Generation) 👋 Introduction Market Position Segment: Compact/C-segment sedan and hatchback, known for its sporty handling and upscale interior for its class. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Ford Focus, Volkswagen Golf, Subaru Impreza. Key Features Design Philosophy: Mazda's 'Zoom-Zoom' philosophy emphasized dynamic driving experience, responsive handling, and engaging performance. Platform: Shared platform with Ford Focus Mk2 and Volvo S40/V50 (during Ford's ownership of Mazda). 📋 Manual Details Coverage Areas Regions Covered: Global (primarily North America, Europe, Asia-Pacific, reflecting common specifications for the BK generation) Page Count Estimated Pages: Thousands (Digital format implies comprehensive depth, typically exceeding 1000 pages in printable equivalent) Manual Type Type: Digital Workshop Repair Manual Language Language: English (Standard for most official workshop manuals of this era, though region-specific variations may exist) Format Format: Digital (Likely PDF or proprietary digital format, searchable and hyperlinked) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel injection, ignition, exhaust, emissions control, engine management (ECU diagnostics and calibration) Transmission Drivetrain: Manual Transmission (MT), Automatic Transmission (AT), clutch system, axles, driveshafts, differentials, AWD system (if applicable) Suspension Steering: Front suspension (McPherson strut), rear suspension (multi-link), steering system (power steering pump, rack and pinion), wheel alignment specifications Brakes: Front disc brakes, rear disc brakes, ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake fluid specifications, hydraulic system Electrical Electronics: Battery, charging system, starting system, lighting (headlights, taillights, interior), fuses and relays, wiring diagrams, instrument cluster, body control module (BCM), immobilizer system Body Chassis: Body construction, exterior panels, interior trim, doors, windows, sunroof, HVAC (Heating, Ventilation, Air Conditioning), chassis components, corrosion protection Procedures Included Diagnostic Procedures: Troubleshooting charts, fault code interpretation (OBD-II), symptom-based diagnostics, component testing Repair Procedures: Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly Maintenance Procedures: Oil changes, fluid checks and replacements, filter replacements, spark plug service, brake pad replacement, belt inspection and replacement Rebuild Procedures: Detailed instructions for major component rebuilds (e.g., engine, transmission) Technical Specifications: Torque specifications, clearances, fluid capacities, pressure readings, electrical specifications Technical Depth Depth: Comprehensive: Covers routine maintenance, diagnostics, repair, troubleshooting, and complete rebuild procedures for all major vehicle systems. 📊 Manual Specifications File Format File Type: PDF (most common for digital workshop manuals, allowing for printing and searching) Searchability: Searchable text content (if OCR processed correctly), allowing for quick retrieval of specific information Print Quality Print Capability: Printable pages for convenient use in a workshop environment Binding Type Binding Type: N/A (Digital format, not physically bound) Paper Type Paper Type: N/A (Digital format, not printed on paper) ⚙️ Engine Specifications Primary Engine Engine Code: MZR (LF-DE, LF-VE for 2.0L; L3-VE for 2.3L) Displacement: 2.0L (1999cc) and 2.3L (2261cc) Configuration: Inline 4-cylinder, DOHC, 16-valve, Naturally Aspirated Performance Horsepower 2.0L: Approx. 148 hp @ 6000 rpm Torque 2.0L: Approx. 135 lb-ft @ 4500 rpm Horsepower 2.3L: Approx. 160 hp @ 6000 rpm Torque 2.3L: Approx. 150 lb-ft @ 4500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential multi-port fuel injection Fuel Type: Unleaded gasoline (87 octane recommended, premium may offer slight performance benefit) 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission (5MT) Optional Transmission Type: 5-speed or 6-speed Automatic Transmission (AT) (depending on market and trim) Features Automatic Features: Activematic (manual shift mode on some AT variants) Fluid Specifications Manual Fluid: Mazda GL-4 SAE 75W-90 Gear Oil (API GL-4 specification is crucial) Automatic Fluid: Mazda ATF JWS3317 or equivalent Dexron III/Mercon (check specific vehicle VIN for exact type) 📐 Dimensions Exterior Length: Approx. 174.5 inches (4430 mm) for sedan, 167.7 inches (4260 mm) for hatchback Width: Approx. 69.1 inches (1755 mm) Height: Approx. 57.7 inches (1465 mm) for sedan, 57.3 inches (1455 mm) for hatchback Wheelbase: Approx. 102.2 inches (2595 mm) Weights Curb Weight: Approx. 2900 - 3100 lbs (1315 - 1406 kg) depending on body style and trim 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star (for driver and front passenger in many configurations) IIHS Front Small Overlap: Not tested for this generation, but the overall structure was generally considered robust. Active Features ABS: Standard on most trims Traction Control: Available on some higher trims or as an option Electronic Stability Control: Available on some higher trims or as an option, often termed DSC (Dynamic Stability Control) Passive Features Airbags: Front airbags (driver and passenger), optional side-impact airbags, optional curtain airbags. Seatbelts: 3-point front and rear seatbelts with pretensioners and load limiters 💡 Technology Features Infotainment Audio System: Optional Bose premium audio system, CD player, AM/FM radio, auxiliary input jack. Navigation: Optional factory navigation system, typically integrated into a dashboard display. Driver Assistance Cruise Control: Standard on most trims Keyless Entry: Standard on most trims Connectivity Bluetooth: Not commonly available from the factory for this generation, may have been...