This manual covers the 1994 Mazda RX-7 (chassis code FD3S), an iconic sports car renowned for its unique twin-rotor, twin-turbocharged 13B-REW Wankel engine. Celebrated for its exceptional performance, balanced chassis design, and aerodynamic styling, the RX-7 is a highly sought-after vehicle. Its near 50/50 weight distribution and advanced suspension geometry contribute to its legendary handling dynamics, making it a standout in its segment and a consistent recipient of automotive accolades. This comprehensive Factory Service Manual (FSM) provides in-depth guidance for the repair and service of the 1994 Mazda RX-7. It is intended for both professional technicians and enthusiast owners seeking to maintain or restore their vehicle. The manual details all major systems, including the powertrain, drivetrain, chassis, electrical systems, and body. Coverage includes scheduled maintenance, diagnostic procedures, troubleshooting, repair and rebuild instructions for all components, and essential technical specifications. With approximately 1500-2000 pages of detailed information, this English-language manual is an indispensable resource for ensuring the longevity and optimal performance of your RX-7. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Year: 1994 Generation Chassis Code: FD3S Codes Engine Code Primary: 13B-REW 👋 Introduction Market Position Segment: Sports Car, Grand Tourer Reputation: Iconic Rotary-powered sports car, known for performance, handling, and unique design. Competitive Analysis Key Competitors: Nissan 300ZX (Z32), Toyota Supra (JZA80), Mitsubishi 3000GT VR-4, Porsche 968. Key Features Engine Technology: Twin-rotor, twin-turbocharged Wankel engine (13B-REW). Chassis Design: Lightweight construction, balanced weight distribution (near 50/50), advanced suspension geometry. Styling: Aerodynamic, flowing design with distinctive 'whale tail' rear spoiler (optional on some trims). 📋 Manual Details Coverage Areas Primary Focus: Repair and Service Intended Audience: Professional Technicians and Enthusiast Owners Page Count Estimated Pages: Approximately 1500-2000 Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (13B-REW rotary), Fuel System, Ignition System, Lubrication System, Cooling System, Exhaust System, Turbocharger System Drivetrain: Transmission (R154-based Mazda 5-speed manual), Clutch, Driveshaft, Differential, Axles Chassis: Suspension (Front: Double Wishbone, Rear: Multi-link), Steering System (Power Assisted Rack and Pinion), Brakes (Front: Ventilated Discs, Rear: Ventilated Discs) Electrical: Wiring Diagrams, Engine Control Unit (ECU), Lighting, Instruments, Accessories, Audio System, Immobilizer (if applicable) Body And Interior: Body Panels, Doors, Windows, Seats, Trim, Climate Control (HVAC), Airbags (SRS) Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes (Oil, Coolant, Brake Fluid, Transmission Fluid, Differential Fluid), Filter Replacements (Oil, Air, Fuel), Spark Plug Replacement, Belt Inspection/Replacement Diagnostics And Troubleshooting: Diagnostic Trouble Codes (DTCs), Common Symptoms and Causes, Electrical Troubleshooting Procedures, Mechanical Troubleshooting Repair And Rebuild: Engine Assembly/Disassembly, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Fuel Injector Servicing, Turbocharger Rebuilding Specifications And Tightening Torques: All component-specific torque specifications, clearances, and adjustment procedures Technical Depth Depth: Comprehensive: Covers basic maintenance to full engine and drivetrain rebuilds, including detailed diagnostics and electrical schematics. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable (dependent on original scan quality) Print Quality Quality: High-resolution scans, suitable for printing section by section or as a whole. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Name: 13B-REW Engine Type: Rotary (Twin Rotor) Aspiration: Twin-Turbocharged Displacement: 1.3 Liters (654cc x 2) Performance Horsepower Ps: 255 PS @ 6500 RPM Torque Lb Ft: 217 lb-ft @ 5000 RPM Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (91 Octane or higher recommended) Ignition System Ignition Type: Distributorless Ignition System (DIS) with twin trailing ignition per rotor. Cooling System Cooling Type: Water-Cooled Lubrication System Oil Type Recommendation: API SG/SH or higher, SAE 10W-30 or 10W-40 (refer to manual for specific viscosity based on climate). Turbocharger System Turbo Configuration: Sequential Twin-Turbo System (Primary and Secondary) Boost Pressure Psi: Approximately 10-12 PSI (stock) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Model: Mazda R154-based (specific model designation may vary slightly) Optional Transmission Type: 4-Speed Automatic (less common) Features Clutch Type: Hydraulically Actuated, Single Dry Plate Fluid Specifications Manual Transmission Fluid: API GL-4 or GL-5, SAE 75W-90 recommended (refer to manual for exact specification). Automatic Transmission Fluid: Dexron III or equivalent (for automatic transmission models). 📐 Dimensions Exterior Length Mm: 4275 mm Width Mm: 1750 mm Height Mm: 1235 mm Wheelbase Mm: 2505 mm Weights Curb Weight Kg: Approximately 1300-1350 kg Gross Vehicle Weight Rating Kg: Not commonly specified, but typically around 1700 kg. Wheels And Tires Wheel Size: 16x7.0J (Front), 16x8.0J (Rear) - Standard Tire Size Front: 225/50R16 - Standard Tire Size Rear: 245/45R16 - Standard Bolt Pattern: 5x114.3 mm (5x4.5 inches) 🛡️ Safety Features Ratings NHTSA Rating: Not readily available for this era/specific model in all markets. Active Features ABS: Anti-lock Braking System (ABS) - Standard Traction Control: Traction Control System (TCS) - Standard (known as ASTC: Automatic Stability and Traction Control) Passive Features Airbags: Driver's side airbag standard. Seatbelts: 3-point inertia-reel seatbelts with...