🏷️ Basic Information Identification Make: Mazda Model: Miata Year: 2004 Codes Chassis Code: NB Generation: Second Generation (NB) 👋 Introduction Market Position Target Audience: Mazda Miata (NB) owners, independent repair shops, enthusiasts Competitive Analysis Advantage: Officially licensed and comprehensive, surpassing generic repair guides Key Features Licensing: Official Mazda license ensures accuracy and completeness Interface: User-friendly software interface for easy navigation Update Policy: Typically one-time purchase for the specified model year(s) 📋 Manual Details Coverage Areas Manual Type: Official Service and Repair Manual Software Language: English Format: Software (Digital) Coverage Scope: Comprehensive vehicle service and repair information 📖 Manual Coverage Systems Covered Engine: 2.0L DOHC I4 (BP-VE) Engine Management: Fuel injection, ignition system, emission controls Transmission: 6-speed manual (M5D), 4-speed automatic (430LE) Drivetrain: Rear-wheel drive, differential, drive axles Suspension: Front independent double wishbone, rear independent multi-link Brakes: Front ventilated discs, rear solid discs; ABS Steering: Rack and pinion, power assist Electrical System: Battery, charging system, starting system, lighting, accessories Body And Chassis: Body panels, frame, interior trim, convertible top Climate Control: HVAC system Safety Systems: Airbags, seat belts Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements Troubleshooting: Diagnostic procedures for common and uncommon issues Repair: Step-by-step repair instructions for all major systems Diagnostics: OBD-II diagnostics, fault code interpretation Specifications: Torque values, clearances, tolerances Wiring Diagrams: Complete electrical schematics Component Replacement: Detailed instructions for replacing parts Rebuilding: Engine and transmission rebuilding procedures Technical Depth Depth: Detailed diagnostics, component-level repair, and rebuilding procedures Expertise Level: Suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Software Compatibility: Windows OS (typical for older software) Searchability: Searchable text content Print Quality Usability: Printable sections for workshop use Binding Type Digital Access: Instant download or access via licensed software key Paper Type Data Source: Official Mazda factory service data ⚙️ Engine Specifications Primary Engine Engine Code: BP-VE Engine Type: Naturally Aspirated Inline 4-Cylinder DOHC Displacement: 1998 cc (2.0 Liters) Performance Horsepower: 142 hp @ 6500 rpm (US Spec) Torque: 125 lb-ft @ 5000 rpm (US Spec) Bore X Stroke: 83.0 mm x 92.0 mm Compression Ratio: 9.1:1 Fuel System Induction: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) ECU Type: Denso ECU (specific part numbers vary) 🔧 Transmission Standard Type: 6-Speed Manual Transmission Gear Ratios 6Mt: 1st: 3.757, 2nd: 2.022, 3rd: 1.387, 4th: 1.000, 5th: 0.833, 6th: 0.645 Final Drive Ratio 6Mt: 4.100 Optional Type: 4-Speed Automatic Transmission Transmission Code 4At: 430LE Features Clutch Type: Hydraulically Actuated Dry Single Plate Clutch Atf Type 6Mt: Mazda GL-5 75W-90 (or equivalent API GL-5) Atf Type 4At: Dexron III (or equivalent MERCON/Dexron III) 📐 Dimensions Exterior Length: 3995 mm (157.3 in) Width: 1680 mm (66.1 in) Height: 1235 mm (48.6 in) Wheelbase: 2265 mm (89.2 in) Front Track: 1460 mm (57.5 in) Rear Track: 1470 mm (57.9 in) Weights Curb Weight: Approx. 1070-1110 kg (2360-2450 lbs) depending on trim and transmission Gross Vehicle Weight Rating: Approx. 1340 kg (2955 lbs) Weight Distribution: Near 50/50 front/rear 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver), 4/5 Stars (Passenger) IIHS Side Impact: Good Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Optional on some models Passive Features Airbags: Driver and Passenger Frontal Airbags Rollover Protection: Pop-up rollover hoop behind seats Seatbelts: 3-point Inertia Reel Seatbelts with pretensioners 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD player with optional Bose premium audio Display: Basic LCD display for radio and clock Driver Assistance Cruise Control: Standard on most models Connectivity Auxiliary Input: Not standard, often an aftermarket addition Bluetooth: Not standard, aftermarket addition required Other Keyless Entry: Optional on higher trims 🔧 Maintenance Service Intervals Oil Change: Every 5,000 miles or 6 months Air Filter Replacement: Every 15,000 miles or 12 months Spark Plug Replacement: Every 30,000 miles (if using standard plugs) Coolant Flush: Every 2 years or 30,000 miles Fluid Specifications Engine Oil: SAE 5W-30 API SG or SH (or equivalent) - Approx. 4.7 US qt / 4.4 L with filter Brake Fluid: DOT 3 or DOT 4 Power Steering Fluid: Dexron III ATF or compatible power steering fluid Known Issues Common Problem 1: Oil leaks from valve cover gasket or front crank seal Common Problem 2: Seized calipers or worn brake pads/rotors Common Problem 3: Radiator leaks or fan motor failure Common Problem 4: Convertible top hydraulic lines or seals degrading Common Problem 5: Power window motor issues 📚 Vehicle History Brand Heritage Marque Philosophy: Jinba Ittai (Horse and Rider as One) - driver-centric experience Model Evolution Previous Generation: NA (First Generation) Introduction Year: 1989 (First Gen), 1998 (Second Gen NB) Production Production Period: 1998-2005 Manufacturing Location: Hiroshima, Japan Key Updates Nb Gen: Revised exterior styling, improved chassis rigidity, 6-speed transmission, larger engine (2.0L)