The Mazda RX-7 FD, specifically the 1994 model, represents a pinnacle of sports car engineering, celebrated for its unique rotary engine technology and the iconic "Jinba Ittai" design philosophy. This rear-wheel-drive coupe, powered by a 1.3L twin-turbocharged rotary (13B-REW) engine producing 255 horsepower, offers a lightweight chassis, advanced aerodynamics, and an engaging driving experience. Its distinctive styling and performance capabilities positioned it as a highly regarded competitor in the sports car segment, appealing to enthusiasts and performance drivers alike. This comprehensive Factory Service Manual provides in-depth technical information for the Mazda RX-7 FD. Covering a wide array of systems including the rotary engine, transmission, drivetrain, suspension, brakes, and electrical systems, this manual details everything from scheduled maintenance and routine procedures to complex engine overhauls and component replacements. With expert-level diagnostic guides, torque specifications, wiring diagrams, and troubleshooting procedures, this manual is an essential resource for owners, mechanics, and technicians seeking to maintain, repair, and understand their vehicle. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Generation: FD Model Year: 1994 Codes Chassis Code: FD3S 👋 Introduction Market Position Segment: Sports Car / Grand Tourer Target Audience: Enthusiasts, Performance Drivers, DIY Mechanics Competitive Analysis Key Competitors: Nissan 300ZX (Z32), Toyota Supra (Mk4), Porsche 968 Key Features Unique Selling Proposition: Rotary Engine Technology, Lightweight Chassis, Iconic Styling Design Philosophy: Jinba Ittai (Horse and Rider as One) 📋 Manual Details Coverage Areas Comprehensive Coverage: Yes Page Count Estimated Pages: 1500-2000 Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download File Format File Type: PDF Print Quality Quality: High Resolution, Printable Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) 📖 Manual Coverage Systems Covered Engine: Rotary (13B-REW Twin-Turbo) Transmission: Manual (R154 / FS5W71C equivalent) Drivetrain: Rear-Wheel Drive Suspension: Front: Double Wishbone, Rear: Multi-link Brakes: Front: Ventilated Discs, Rear: Ventilated Discs Electrical System: Full Diagnostics, Wiring Diagrams, ECU Functions Fuel System: Injection, Fuel Pump, Injector Specifications Cooling System: Radiator, Water Pump, Thermostat, Coolant Specifications Exhaust System: Catalytic Converter, Muffler, Emissions Control Body And Chassis: Frame, Panels, Doors, Hood, Trunk, Glass Interior: Seats, Dashboard, Trim, HVAC Controls Climate Control: HVAC Operation, Refrigerant, Service Procedures Lighting: Headlights, Taillights, Interior Lighting Wheels And Tires: Specifications, Rotation, Balancing Procedures Included Scheduled Maintenance: Oil Changes, Filter Replacements, Spark Plugs Engine Overhaul: Apex Seal Replacement, Rotor Housing Inspection, Rebuild Transmission Repair: Clutch Replacement, Gearbox Overhaul Brake System Repair: Pad/Rotor Replacement, Caliper Rebuild, Bleeding Suspension Component Replacement: Shock Absorbers, Control Arms, Bushings Electrical Diagnostics: Troubleshooting Fault Codes, Component Testing Fuel System Cleaning: Injector Cleaning, Fuel Pump Testing Cooling System Flushing: Coolant Replacement, Radiator Cleaning Body Panel Alignment: Door/Hood/Trunk Adjustment Interior Trim Removal Installation: Dashboard Disassembly, Console Removal HVAC System Service: Evaporator Core Replacement, Heater Core Service Troubleshooting Guides: Systematic Diagnosis of Common Problems Technical Depth Depth: Expert Level - From Basic Maintenance to Complete Engine Rebuilds Diagnostic Tools: OBD-II Diagnostics, Specialized Rotary Tools Torque Specifications: Detailed Torque Values for all Fasteners Clearances And Tolerances: Engine Component Clearances, Bearing Tolerances Wiring Diagrams: Comprehensive and Color-Coded ⚙️ Engine Specifications Primary Engine Engine Code: 13B-REW Engine Type: Rotary (Wankel) Twin-Turbocharged Displacement: 1.3L (654cc x 2) Performance Horsepower: 255 HP @ 6500 RPM Torque: 217 lb-ft @ 5000 RPM Fuel System Induction: Sequential Twin Turbochargers Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: Premium Unleaded (91+ Octane) Maintenance Notes Apex Seals: Critical wear item; requires specific lubrication and temperature management. 🔧 Transmission Standard Type: 5-Speed Manual Optional Type: 4-Speed Automatic (less common) Features Drivetrain Layout: RWD Fluid Specifications Manual Transmission Fluid: API GL-4 or GL-5, SAE 75W-90 📐 Dimensions Exterior Length: 170.1 inches Width: 69.1 inches Height: 48.2 inches Wheelbase: 95.5 inches Weights Curb Weight: approx. 2,900 - 3,100 lbs Wheels And Tires Front Tire Size: 225/50R16 Rear Tire Size: 245/45R16 Wheel Bolt Pattern: 5x114.3mm 🛡️ Safety Features Ratings NHTSA Front Impact: Not Explicitly Rated for 1994 Model Year (Industry Standard for Era) Active Features Brakes: 4-Wheel Anti-lock Braking System (ABS) Passive Features Airbags: Driver and Passenger Airbags Seatbelts: 3-point Inertia-reel Seatbelts 💡 Technology Features Infotainment Audio System: Bose Premium Audio System (Optional) Climate Control System: Automatic Climate Control (Optional) Driver Assistance Cruise Control: Standard feature. Connectivity OBD Port: OBD-I for early models, transitioning to OBD-II standard later in production (check specific vehicle for 1994). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months Air Filter Replacement: Every 15,000-30,000 miles Spark Plug Replacement: Every 30,000 miles (specific rotary plugs required) Coolant Flush: Every 2 years or 30,000 miles Fluid Specifications Engine Oil Type: API SG or SH, SAE 10W-30 or 10W-40 (with specific ester content for rotary engines recommended) Coolant Type: Ethylene Glycol based, long-life coolant (Mazda FL22 or equivalent) Known Issues Engine Apex Seals: Overheating, poor compression, failure due to detonation or lack of lubrication. Oil Metering Pump: Can...