The Mazda RX-7, specifically the 1993 model year with chassis code FD3S, represents an iconic era in Japanese sports car engineering. Renowned for its sleek, aerodynamic design and the distinctive sequential twin-turbocharged rotary engine (13B-REW), this vehicle is celebrated for its exceptional handling, near 50/50 weight distribution, and the sophisticated multi-link suspension that contributes to its renowned agility. The RX-7 stands as a testament to Mazda's innovation in rotary technology, offering a unique driving experience that has earned it accolades, including placement on Car and Driver's 10Best list. This comprehensive Factory Service Manual (FSM) provides detailed repair and service information for the 1993 Mazda RX-7. Covering all major systems, including the powertrain, drivetrain, chassis, electrical, and body, this manual is an essential resource for owners, mechanics, and technicians. It offers in-depth guidance on scheduled maintenance, diagnostic procedures, troubleshooting, component removal and installation, and the use of specialized tools. With approximately 2000+ pages of high-resolution, searchable content, this English-language manual ensures accurate and efficient upkeep, addressing specific rotary engine considerations like apex seal wear and oil consumption, as well as common issues related to the sequential turbochargers. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Year: 1993 Codes Chassis Code: FD3S Engine Code Primary: 13B-REW 👋 Introduction Market Position Positioning: Iconic Japanese sports car, renowned for rotary engine technology and handling prowess Competitive Analysis Competitors: Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mitsubishi 3000GT Key Features Handling: Near 50/50 weight distribution, sophisticated multi-link suspension, praised for balance and agility Engine Type: Sequential Twin-Turbocharged Rotary Engine (13B-REW) Design: Sleek, aerodynamic 'bubbleback' styling 📋 Manual Details Coverage Areas Coverage Focus: Comprehensive repair and service Page Count Estimated Pages: Approximately 2000+ Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (Rotary 13B-REW), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System Drivetrain: Transmission (RWD), Differential, Driveshafts, Axles Chassis: Suspension (Front & Rear), Steering System, Brakes (Front & Rear), Wheels, Tires Electrical: Wiring Diagrams, ECUs, Sensors, Lighting, Power Accessories, Charging System, Starting System Body: Exterior Panels, Interior Trim, Doors, Windows, Seats, HVAC System Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, tune-ups Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based troubleshooting Repair: Component removal and installation, overhaul procedures, adjustments Special Tools: Identification and use of specialized tools required for specific procedures Technical Depth Depth: Advanced diagnostics, complete engine rebuilds, transmission overhauls, electrical system troubleshooting, body repair 📊 Manual Specifications File Format Quality: High-resolution, searchable text, printable pages Print Quality Clarity: Clear diagrams, legible text, accurate illustrations Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Configuration: Twin-Rotor, Naturally Aspirated (later Twin-Turbocharged) Displacement: 1308 cc (80.0 cu in) Performance Horsepower Sequential Turbo: 255 hp @ 6500 rpm (early FD) Torque Sequential Turbo: 217 lb-ft @ 5000 rpm (early FD) Fuel System Type: Electronic Fuel Injection (EFI) with sequential twin-turbochargers Ignition System Type: Distributorless ignition system (DIS) with twin ignition coils per rotor Cooling System Type: Liquid-cooled, pressurized system with intercooler Lubrication System Type: Pressurized wet sump with oil cooler Rotary Specifics Apex Seals: Critical component requiring specific lubrication and maintenance 🔧 Transmission Standard Type: 6-speed manual Optional Type: 4-speed automatic (less common) Features Clutch Type: Hydraulically operated, single-plate dry clutch Fluid Specifications Type: API GL-4 or GL-5 gear oil (check manual for specific viscosity) 📐 Dimensions Exterior Length: Approx. 167.7 inches (4260 mm) Width: Approx. 69.1 inches (1755 mm) Height: Approx. 47.8 inches (1215 mm) Wheelbase: Approx. 95.7 inches (2430 mm) Weights Curb Weight: Approx. 2800-3000 lbs (1270-1360 kg) Gross Weight: Varies by trim and options 🛡️ Safety Features Ratings Crash Test Results: N/A (FMVSS standards of the era) Active Features Braking: Anti-lock Braking System (ABS) standard on most models Suspension Stability: Advanced suspension design contributes to stability Passive Features Airbags: Driver and passenger front airbags standard Seat Belts: Three-point inertia-reel seat belts 💡 Technology Features Infotainment Audio System: Factory premium audio system, often with cassette and CD player Climate Control: Automatic climate control (on higher trims) Driver Assistance ABS: Anti-lock Braking System (ABS) Cruise Control: Standard cruise control system Connectivity Connectivity Features: Limited by era; primarily focused on analog systems 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles or 6 months (depending on driving conditions) Spark Plugs: Refer to manual; typically at higher mileage intervals, specific rotary plugs required Timing Belt: N/A (Rotary engines do not have timing belts, but a timing chain/sprocket system) Fluid Specifications Engine Oil: API SG or SH, SAE 10W-30 or 10W-40 (check manual for specific recommendations, especially for rotary oil additive) Coolant: Mazda Long Life Coolant or equivalent (50/50 mix with distilled water) Brake Fluid: DOT 3 or DOT 4 (check manual) Power Steering Fluid: Dexron II or equivalent Known Issues Apex Seal Wear:...