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Mazda Miata 1991-1993 Service Repair Manual
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🏷️ Basic Information Identification Make: Mazda Model: Miata Model Code: NA (First Generation) Years Covered: 1991, 1992, 1993 👋 Introduction Market Position Vehicle Segment: Lightweight, affordable two-seater sports car Positioning:...
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🏷️ Basic Information
Identification
Make:
Mazda
Model:
Miata
Model Code:
NA (First Generation)
Years Covered:
1991, 1992, 1993
👋 Introduction
Market Position
Vehicle Segment:
Lightweight, affordable two-seater sports car
Positioning:
Accessible, fun-to-drive roadster inspired by classic British sports cars
Competitive Analysis
Competitors 1991 1993:
Alfa Romeo Spider, Triumph Spitfire (older models), Datsun 240Z/260Z (older models)
Key Features
Driving Dynamics:
Excellent handling, balanced chassis, light weight, responsive steering
Design Philosophy:
'Jinba Ittai' (horse and rider as one) - emphasizing driver connection
Powertrain Layout:
Front engine, rear-wheel drive
📋 Manual Details
Coverage Areas
Manual Type:
Service and Repair Manual
Language:
English
Format:
PDF Download
Target Audience:
Professional Technicians and Experienced DIY Enthusiasts
📖 Manual Coverage
Systems Covered
Engine Mechanical:
1.6L DOHC (B6-ZE) engine disassembly, assembly, inspection, and overhaul
Fuel System:
Fuel injection system, fuel pump, injectors, fuel pressure regulator, evaporative emission control (EVAP)
Ignition System:
Ignition coils, spark plugs, distributor (if applicable), ignition timing
Cooling System:
Radiator, water pump, thermostat, coolant flow, fan operation
Lubrication System:
Oil pump, oil filter, oil passages, oil pressure diagnosis
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, oxygen sensors
Transmission Manual:
5-speed manual transmission (FS5W71B) overhaul, clutch system, shift linkage
Transmission Automatic:
Optional 4-speed automatic transmission (43LE) overhaul, torque converter, valve body
Drivetrain:
Rear-wheel drive, driveshaft, differential, axles, wheel bearings
Suspension Front:
Double wishbone, springs, shock absorbers, control arms, ball joints, sway bar
Suspension Rear:
Multi-link, springs, shock absorbers, trailing arms, control arms, sway bar
Steering System:
Rack and pinion, power steering system (if equipped), steering column, tie rods
Brake System:
Front disc brakes, rear disc brakes, hydraulic system, ABS (if equipped), parking brake
Electrical System:
Battery, charging system, starter, lighting, horn, power windows, power locks
Body And Chassis:
Body panels, doors, hood, trunk, convertible top mechanism, frame components
HVAC:
Heating, ventilation, and air conditioning (HVAC) system components and service
Interior:
Seats, dashboard, instrumentation, trim panels, seat belts
Procedures Included
Maintenance Tasks:
Oil and filter changes, coolant flushes, spark plug replacement, air filter replacement, belt inspection and replacement
Troubleshooting Guides:
Diagnostic charts and procedures for common drivability, electrical, and mechanical issues
Repair Procedures:
Detailed step-by-step instructions for component removal, installation, and repair
Engine Rebuild:
Comprehensive procedures for engine disassembly, cleaning, inspection, measurement, and reassembly
Transmission Rebuild:
Detailed instructions for manual and automatic transmission overhauls
Brake Service:
Brake pad replacement, rotor resurfacing/replacement, caliper service, brake fluid bleeding
Electrical Diagnostics:
Wiring diagrams, circuit testing, troubleshooting of electrical faults
Suspension And Steering Alignment:
Adjustment and alignment procedures
Convertible Top Service:
Adjustment and repair of the soft-top mechanism
Technical Depth
Depth Level:
Comprehensive; covers from routine maintenance to complete engine and transmission rebuilds
Diagnostic Information:
Includes diagnostic trouble codes (DTCs), fault symptom analysis, and repair procedures
Torque Specifications:
Detailed torque values for all critical fasteners
Clearances And Tolerances:
Precise specifications for engine and drivetrain component clearances
Wiring Diagrams:
Complete electrical wiring schematics for all systems
Special Tools:
Identification and usage of specialized tools required for specific repairs
📊 Manual Specifications
File Format
Digital Format:
PDF
Searchability:
Searchable text within the PDF document
Printability:
Printable pages
Print Quality
Image Resolution:
High-resolution for clear diagrams and illustrations
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
Completeness
Completeness Level:
Full Service Manual
⚙️ Engine Specifications
Primary Engine
Engine Code:
B6-ZE
Engine Type:
Inline 4-cylinder, DOHC (Dual Overhead Camshaft)
Displacement:
1597 cc (1.6 Liters)
Bore X Stroke:
78.0 mm x 83.6 mm
Compression Ratio:
9.4:1
Performance
Horsepower:
114 hp @ 6500 rpm (approx.)
Torque:
100 lb-ft @ 5000 rpm (approx.)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline (87 octane or higher recommended)
Fuel Tank Capacity:
11.4 US gallons (43 Liters)
🔧 Transmission
Standard
Transmission Type:
5-speed Manual Transmission (FS5W71B)
Optional
Transmission Type:
4-speed Automatic Transmission (43LE)
Features
Clutch Type:
Hydraulically actuated, dry single plate
Rear Axle Ratio:
4.10:1 (Manual Transmission), 3.63:1 (Automatic Transmission)
📐 Dimensions
Exterior
Length:
155.7 inches (3955 mm)
Width:
66.1 inches (1680 mm)
Height:
49.2 inches (1250 mm)
Wheelbase:
89.2 inches (2265 mm)
Ground Clearance:
5.3 inches (135 mm)
Weights
Curb Weight Manual:
Approx. 2,115 lbs (960 kg)
Curb Weight Automatic:
Approx. 2,185 lbs (990 kg)
🛡️ Safety Features
Ratings
NHTSA Driver Side Frontal Impact:
4 Stars (1991)
NHTSA Passenger Side Frontal Impact:
4 Stars (1991)
Active Features
Braking System:
Front ventilated discs, rear solid discs (ABS optional on some models)
Steering System:
Rack and pinion, with power assist available
Passive Features
Airbags:
Driver-side airbag standard from 1990 onwards.
Seat Belts:
Three-point seat belts
Roll Over Protection:
Reinforced A-pillars and a pop-up roll bar behind the seats (integrated into the windshield frame)
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player, optional CD player on later models.
Speakers:
Typically 4 or 6 speakers, often with tweeters in the dashboard.
Driver Assistance
ABS:
Anti-lock Braking System (ABS) was an optional feature on some models.
Connectivity
Standard Features:
Focus is on analog controls and a direct driving experience rather than electronic connectivity.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles
Coolant Flush:
Every 30,000 miles or 24 months
Timing Belt Replacement:
Every 60,000 miles or 48 months (CRITICAL MAINTENANCE)
Fluid Specifications
Engine Oil:
API SG or SH, SAE 5W-30 (or 10W-30 in warmer climates)
Engine Oil Capacity:
3.7 US quarts (3.5 Liters) with filter change
Coolant:
Mazda Genuine Super Long Life Coolant (or equivalent ethylene glycol-based antifreeze mixed 50/50 with distilled water)
Transmission Fluid Manual:
API GL-4, SAE 75W-90 gear oil
Transmission Fluid Automatic:
Mazda Genuine ATF-III or equivalent DEXRON III automatic transmission fluid
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Power Steering Fluid:
Mazda Genuine PSF or Dexron II/III ATF
Known Issues
Engine:
Timing belt failure if not replaced on schedule (severe engine damage), occasional oil leaks from valve cover gasket or rear main seal.
Cooling System:
Radiator plastic end tanks can become brittle and leak.
Electrical:
Window motor failure, intermittent power window operation, power antenna issues.
Body And Chassis:
Rust can form in common areas like rocker panels, fender lips, and floor pans, especially in humid or coastal climates.
Convertible Top:
Vinyl rear window can yellow and crack; canvas may wear or develop leaks over time.
Suspension:
Bushings can wear out, leading to vague handling and noise. Ball joints and tie rod ends can also require replacement.
📚 Vehicle History
Brand Heritage
Brand Focus:
Mazda has a history of producing reliable and engaging vehicles, often with a focus on driver enjoyment.
Model Evolution
Na Generation Introduction:
The first generation (NA) Mazda Miata (MX-5 in many markets) debuted in 1989 for the 1990 model year, revitalizing the affordable sports car segment.
1991 Updates:
Minor updates, including potential horsepower increase and revised options packages. ABS became available.
1992 Updates:
More significant updates, potentially including revised interior materials and minor engine tweaks.
1993 Updates:
Introduction of the 'M' edition and other special packages. Potential slight horsepower increase or other refinements.
Production
Production Location:
Hiroshima, Japan
🏆 Awards & Recognition
Recognitions
Car And Driver 10 Best:
Named to Car and Driver's 10Best list multiple times during its production run.
Ratings
Overall Reputation:
Widely regarded as one of the best affordable sports cars ever made, lauded for its purity of driving experience.
Certifications
Manual Quality:
Prepared to industry standards for professional automotive service documentation.