The 1999 Mazda MX-5 Miata, chassis code NB, is a lightweight, two-seater, rear-wheel-drive sports car celebrated for its engaging driving dynamics and accessible performance. Building on the celebrated legacy of its predecessor, the NB generation introduced a more modern aesthetic and improved aerodynamics while retaining the core philosophy that made the Miata an icon. Powered by a 1.8L BP-Z3 inline-4 engine producing approximately 140 horsepower, it offers an exhilarating driving experience, available with either a 5-speed manual or a 4-speed automatic transmission. This model represents a significant evolution, designed for driving enthusiasts and offering a pure, unadulterated connection between the driver, the machine, and the road. This comprehensive factory service manual provides in-depth technical information for the 1999 Mazda MX-5 Miata, covering all US and Canadian market trims. With an estimated 2000+ pages, it details routine maintenance, engine and transmission repair, drivetrain, suspension, steering, brakes, and the complete electrical system, including engine and body wiring diagrams. The manual also includes troubleshooting guides, diagnostic procedures, rebuild instructions, and critical component specifications, making it an invaluable resource for owners, mechanics, and technicians. Its detailed explanations and step-by-step repair procedures are designed to facilitate accurate diagnosis and effective maintenance, ensuring the longevity and optimal performance of your vehicle. 🏷️ Basic Information Identification Make: Mazda Model: MX-5 Miata Year: 1999 Codes Chassis Code: NB 👋 Introduction Market Position Vehicle Type: Lightweight, two-seater, rear-wheel-drive sports car. Target Audience: Enthusiasts, DIY mechanics, professional technicians seeking factory-level repair information. Competitive Analysis Key Competitors 1999: Porsche Boxster, BMW Z3, Honda S2000 (introduced shortly after). Key Features Manual Advantage: Provides factory-level detail, bridging the gap between owner's manuals and specialized workshop manuals. Diy Friendliness: While aimed at professionals, offers detailed step-by-step procedures suitable for experienced DIYers with basic mechanical knowledge. 📋 Manual Details Coverage Areas Engine Coverage: 1.8L BP-Z3 Transmission Coverage: 5-Speed Manual, 4-Speed Automatic Trim Level Coverage: All US/Canadian market trims (e.g., Base, SE, LS) Page Count Estimated Page Count: Approximately 2000+ pages (typical for full factory service manual) Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, lubrication system, cooling system, fuel system (injection), emission control systems. Engine Performance: Engine tuning, diagnosis of performance issues, compression testing, valve clearance adjustment. Transmission Manual: Clutch system, gearbox assembly, internal components, shift mechanism, maintenance, and repair. Transmission Automatic: Automatic transmission assembly, hydraulic control system, torque converter, service, and repair. Drivetrain: Driveshafts, differential, rear axle, maintenance, and troubleshooting. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications. Steering: Steering gear, power steering system, steering column, diagnosis and repair. Brakes: Front and rear brake systems (disc/disc), hydraulic system, ABS (if equipped), parking brake, bleeding procedures, component replacement. Electrical System Engine: Engine Control Unit (ECU) wiring diagrams, ignition system, fuel injection system, sensor diagnosis. Electrical System Body: Lighting systems, power windows, power locks, mirrors, interior lighting, horn, wipers, washers. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, refrigerant, component replacement. Body And Frame: Body panel removal and installation, door mechanisms, convertible top (if applicable), chassis and frame inspection. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement. Disassembly Assembly: Detailed step-by-step instructions for removing and reinstalling major components and sub-assemblies. Troubleshooting: Diagnostic flowcharts and procedures for identifying and resolving common and uncommon issues. Repair Procedures: Specific repair instructions for all major systems, including engine, transmission, brakes, and suspension. Electrical Diagnostics: Wiring diagrams, component testing, diagnostic trouble codes (DTCs) interpretation. Technical Depth Diagnostic Capabilities: Advanced diagnostics, including sensor readings, actuator testing, and ECU function. Rebuild Procedures: Comprehensive instructions for engine and transmission rebuilds, including specifications and clearances. Component Specifications: Torque specifications, clearances, material specifications, and wear limits for all critical parts. 📊 Manual Specifications File Format PDF Version: Compatible with Adobe Acrobat Reader and standard PDF viewers. Print Quality Printability: Full printable specifications, allowing users to print specific sections or the entire manual. Zoom Functionality: YES, allows for detailed viewing of diagrams and text. Binding Type Digital Format: N/A (Digital Download) Paper Type Digital Format: N/A (Digital Download) Software Requirements PDF Reader: Adobe PDF Reader Compression Utility: WinZip or compatible archiving software Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code: BP-Z3 (JDM/Export variant) Engine Type: Naturally Aspirated Inline 4-Cylinder, DOHC, 16-Valve Displacement: 1839 cc (1.8 Liters) Performance Horsepower Net: 140 hp @ 6500 rpm (approximate for US models) Torque Net: 118 lb-ft @ 5000 rpm (approximate for US models) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (Premium Recommended) Ignition System Ignition Type: Distributorless Ignition System (DIS) with Coil-on-Plug (COP) or Coil-Near-Plug (CNP) depending on specific build. 🔧 Transmission Standard Transmission Type Std:...