Market Position:
        
        
            The 1999 Mazda MX-5 Miata (NB generation) continued its legacy as a pure, affordable sports car, emphasizing driving enjoyment and lightweight handling. This manual caters to owners and technicians dedicated to maintaining and repairing this enthusiast-focused vehicle.
        
     
    
    
        
            Competitive Analysis:
        
        
            Competed against vehicles like the Toyota MR2, Porsche Boxster (at a higher price point), and various lightweight roadsters. The Miata's strength lay in its balanced chassis, accessible performance, and widespread enthusiast support.
        
     
    
    
        
            Key Features:
        
        
            Lightweight construction, rear-wheel-drive, independent suspension, balanced chassis, and a focus on driver feedback. The 1999 model year marked the introduction of the 'NB' generation with updated styling and improved aerodynamics.
        
     
 
    
    
    
        
            Engine:
        
        
            Comprehensive coverage of the BP-Z3 1.8L DOHC engine, including assembly, disassembly, diagnostics, and component testing.
        
     
    
        
            Transmission:
        
        
            Details on both the 5-speed manual (M5) and optional 4-speed automatic (4EAT) transmissions, including operation, maintenance, and repair.
        
     
    
        
            Drivetrain:
        
        
            In-depth coverage of the rear-wheel-drive system, including differential, axles, driveshaft, and propeller shaft.
        
     
    
        
            Suspension:
        
        
            Full information on front and rear suspension systems, including shock absorbers, springs, control arms, bushings, and wheel alignment.
        
     
    
        
            Brakes:
        
        
            Detailed procedures for brake system maintenance and repair, including front discs, rear discs, hydraulic system, parking brake, and ABS (if equipped).
        
     
    
        
            Steering:
        
        
            Coverage of the power steering system, steering rack, tie rods, and steering column.
        
     
    
        
            Electrical:
        
        
            Extensive electrical system schematics, component testing, wiring diagrams, diagnosis of lighting, ignition, charging, and accessory systems.
        
     
    
        
            Body:
        
        
            Information on body panel removal and installation, door mechanisms, convertible top operation and maintenance, and interior trim.
        
     
    
        
            HVAC:
        
        
            Diagnosis and repair procedures for the heating, ventilation, and air conditioning systems.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, fluid changes, filter replacements, spark plug replacement, timing belt inspection/replacement (though this model uses a timing chain), and general lubrication.
        
     
    
        
            Troubleshooting:
        
        
            Systematic troubleshooting guides and diagnostic flowcharts for common problems.
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major mechanical and electrical components.
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic procedures, including OBD-II (On-Board Diagnostics) system coverage and specific trouble codes.
        
     
    
        
            Rebuild:
        
        
            Comprehensive instructions for engine and transmission rebuilds, including torque specifications and clearances.
        
     
    
    
        
            Depth:
        
        
            Professional level technical manual, covering everything from basic fluid checks to complete engine and transmission overhauls.
        
     
 
    
    
    
    
        
            Searchable Text:
        
        
            Yes (assumed for professional PDF manuals)
        
     
    
    
        
            Print Quality:
        
        
            High-resolution for clear diagrams and text, suitable for printing individual pages.
        
     
    
        
            Image Quality:
        
        
            Top quality diagrams and exploded views for efficient repairs.
        
     
    
    
        
            Binding Type:
        
        
            Digital Download (PDF) - No physical binding
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital)
        
     
 
    
    
    
        
            Type:
        
        
            5-speed Manual Transmission (M5)
        
     
    
        
            Gear Ratios Final Drive:
        
        
            3.607 (standard), 3.909 (optional/performance packages)
        
     
    
    
        
            Type:
        
        
            4-speed Automatic Transmission (4EAT)
        
     
    
        
            Gear Ratios Final Drive:
        
        
            4.300
        
     
    
    
        
            Clutch Type:
        
        
            Hydraulically actuated, dry single-plate
        
     
 
    
    
    
        
            NHTSA Frontal Crash Rating:
        
        
            Not rated by NHTSA for this model year in a way directly comparable to modern standards. However, considered a safe vehicle for its class and era.
        
     
    
    
        
            ABS:
        
        
            Optional Anti-lock Braking System (ABS) available on some trims.
        
     
    
        
            Traction Control:
        
        
            Not typically equipped with traction control on this model year.
        
     
    
    
        
            Airbags:
        
        
            Driver and Passenger Airbags.
        
     
    
        
            Rollover Protection:
        
        
            Reinforced A-pillars and a behind-the-seat hoop for rollover protection.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Basic AM/FM stereo with cassette player or CD player (optional). Speaker system typically limited to two or four speakers.
        
     
    
    
        
            Driver Assistance Features:
        
        
            Limited driver assistance features compared to modern vehicles. Primarily focused on core driving dynamics.
        
     
    
    
        
            Connectivity:
        
        
            No integrated connectivity features like Bluetooth or USB ports. Aftermarket options exist for upgrades.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 5,000 miles or 6 months, whichever comes first.
        
     
    
        
            Air Filter:
        
        
            Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles.
        
     
    
        
            Cabin Air Filter:
        
        
            Not equipped with a cabin air filter.
        
     
    
        
            Spark Plugs:
        
        
            Replace every 60,000 miles. Recommended: NGK BKR5E-11 (or equivalent).
        
     
    
        
            Coolant:
        
        
            Flush and replace every 30,000 miles or 2 years. Use a 50/50 mix of Mazda Super Long Life Coolant (or equivalent) and distilled water.
        
     
    
        
            Transmission Fluid Manual:
        
        
            Inspect every 15,000 miles, replace every 60,000 miles. Recommended: Mazda GL-5 Gear Oil 75W-90.
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Inspect every 15,000 miles, replace every 30,000 miles. Recommended: Mazda ATF-III or equivalent.
        
     
    
        
            Brake Fluid:
        
        
            Replace every 24 months or 30,000 miles. Recommended: DOT 3 brake fluid.
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH, ILSAC GF-II or GF-III. Viscosity: 5W-30 recommended. Capacity: 4.0 US quarts (with filter).
        
     
    
    
        
            Known Issues:
        
        
            Common issues can include radiator leaks, aging suspension bushings, power steering hose leaks, and convertible top seal wear. This manual will help diagnose and repair these.
        
     
 
    
    
    
        
            Brand Heritage:
        
        
            Mazda has a long history of producing driver-focused cars. The MX-5 Miata lineage began in 1989 with the NA generation, aiming to recapture the spirit of classic British roadsters.
        
     
    
    
        
            Model Evolution:
        
        
            The 1999 model year introduced the second generation (NB). Compared to the NA, the NB featured a more aerodynamic design, a stiffer chassis, improved safety features, and a slightly larger engine. It retained the core philosophy of lightweight, RWD fun.
        
     
    
    
        
            Production Years:
        
        
            1999-2005 (NB Generation)
        
     
    
        
            Manufacturing Locations:
        
        
            Hirohima, Japan
        
     
 
    
    
    
        
            Car And Driver Otr:
        
        
            Car and Driver's '10Best' list for several consecutive years during its production run, highlighting its exceptional driving dynamics and value.
        
     
    
        
            Automotive Journalism Acclaim:
        
        
            Consistently praised by automotive journalists for its handling, affordability, and pure driving experience.