🏷️ Basic Information Identification Make: Mazda Model: MX-5 Model Generation: 2nd Generation (NB) Model Year: 2003 Codes Chassis Code: NB Engine Code Primary: BP-Z3 (1.8L) 👋 Introduction Market Position Vehicle Segment: Lightweight, rear-wheel-drive sports car (roadster). Key Selling Points: Affordable fun, exceptional handling, reliable performance, open-top motoring. Competitive Analysis Competitors 2003: Honda S2000, Toyota MR2 Spyder, Nissan 350Z (later in generation), Porsche Boxster (higher price point). Key Features Generation Focus: The NB generation refined the original NA Miata's formula with improved aerodynamics, chassis rigidity, and updated styling. Manual Value Proposition: Provides factory-level diagnostic and repair procedures, enabling accurate and efficient maintenance and troubleshooting, crucial for preserving the vehicle's performance and value. 📋 Manual Details Coverage Areas Primary Coverage: All Models & All Repairs A-Z Specificity: Vehicle Specific (Not Generic) Target Audience: Dealership Technicians, Professional Mechanics, DIY Enthusiasts Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, timing belt replacement, lubrication system, cooling system, fuel delivery, emissions control. Transmission: Manual transmission (MT) service, automatic transmission (AT) service (if applicable for the specific model variant), clutch system, drivetrain components, driveshafts, differentials. Brakes: Hydraulic system diagnostics, ABS troubleshooting, brake pad/rotor replacement, caliper service, parking brake adjustment. Suspension Steering: Front and rear suspension component diagnosis and replacement, shock absorbers, springs, bushings, steering rack, power steering system, wheel alignment specifications. Electrical: Complete wiring diagrams, component testing, charging system, starting system, ignition system, lighting, instrument cluster, power accessories, fuses, relays, ECM/PCM diagnostics. Body Chassis: Body panel repair, interior trim removal/installation, convertible top mechanism service, door mechanisms, chassis diagnostics, corrosion protection. HVAC: Air conditioning system servicing, heater core replacement, blower motor, climate controls. Procedures Included Maintenance: Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement. Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting guides, fault code explanations. Repair: Step-by-step repair instructions for all major and minor components, including engine rebuilds, transmission overhauls, suspension upgrades, and electrical system fixes. Installation: Guidelines for component replacement and installation of aftermarket parts (where applicable). Specifications Data: Torque specifications, clearances, fluid capacities, wiring diagrams, component locations, diagnostic parameters. Technical Depth Depth: Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical system tracing. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text content for quick information retrieval. Printability: Printable pages for convenient workshop use. Print Quality Image Resolution: High-resolution diagrams, schematics, and photographic illustrations. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, DOHC, 16-valve Displacement: 1839 cc (1.8 Liters) Bore X Stroke: 83.0 mm x 85.0 mm Compression Ratio: 9.7:1 Performance Horsepower Hp: 140 hp @ 6500 rpm (US Spec) Torque Lb-Ft: 119 lb-ft @ 5000 rpm (US Spec) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multiport Fuel Injection (SMPI) Fuel Type: Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Capacity: Approximately 5.3 Liters (5.6 US Quarts) Lubrication System Oil Capacity: Approximately 3.5 Liters (3.7 US Quarts) with filter change Recommended Oil Viscosity: SAE 5W-30 (API SG or SH, ILSAC GF-II or higher) 🔧 Transmission Standard Type: 5-speed Manual Transmission (MT) Optional Type: 4-speed Automatic Transmission (AT) - Less Common Features Clutch Type: Hydraulically Actuated, Dry Single Plate Manual Fluid Type: API GL-4, SAE 75W-90 Automatic Fluid Type: Dexron III or equivalent Differential Type: Open Differential (Optional Limited Slip Differential - LSD) Differential Fluid Spec: API GL-5, SAE 80W-90 📐 Dimensions Exterior Length: 3955 mm (155.7 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 Manual: Approx. 1070 kg (2359 lbs) Curb Weight Automatic: Approx. 1080 kg (2381 lbs) Gvw Rating: Approx. 1400 kg (3086 lbs) Cargo Trunk Volume: Approximately 150 Liters (5.3 cu ft) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: Likely 4-star (Specific year data varies, consult individual testing reports if available) IIHS Front Crash Test: Likely 'Good' or 'Acceptable' (Specific year data varies) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TCS) Passive Features Airbags: Driver and Passenger Frontal Airbags, Side Airbags (Optional on some trims) Rollover Protection: Pop-up Roll Bar behind headrests 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM/CD player with 4 or 6 speakers. Upgrade options discussed in manual. Climate Control: Manual air conditioning and heating system, with optional automatic climate control on higher trims. Driver Assistance Cruise Control: Available on select models. Connectivity Instrument Cluster: Analog tachometer and speedometer, odometer, trip meter, fuel gauge, coolant temperature gauge, warning lights. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months,...