The 1993 RX-7 (FD3S) stands as a celebrated icon in the automotive world, renowned for its groundbreaking rotary engine, the 13B-REW, and its exceptional handling dynamics. This rear-wheel-drive sports car captivated enthusiasts with its sleek, aerodynamic design, balanced chassis, and sophisticated sequential twin-turbo system, delivering exhilarating performance. Engineered for driving purity, the RX-7 offered a unique blend of advanced technology and lightweight construction, setting it apart from its contemporaries and solidifying its status as a highly desirable performance machine. This comprehensive service manual provides in-depth technical guidance for the 1993 RX-7. It covers all essential aspects of vehicle maintenance, repair, and diagnostics, including detailed procedures for the rotary engine, transmission, brakes, suspension, steering, and electrical systems. With extensive information on troubleshooting, component specifications, and routine maintenance schedules, this manual is an indispensable resource for owners, technicians, and mechanics seeking to preserve the performance and longevity of their RX-7. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Code: FD3S Year: 1993 👋 Introduction Market Position Positioning: The Mazda RX-7 (FD generation) is renowned as a halo sports car, celebrated for its unique rotary engine, balanced chassis, and iconic styling. This manual targets owners and mechanics who need in-depth information for maintaining, repairing, and restoring this enthusiast-focused vehicle. Competitive Analysis Competitors: Competed against other performance coupes of its era, such as the Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mitsubishi 3000GT VR-4, and Porsche 968. Its rotary engine offered a distinct performance characteristic. Key Features Distinguishing Factors: Unique twin-rotor 13B-REW engine, lightweight construction, near-perfect weight distribution, advanced sequential twin-turbo system (on most models), sophisticated suspension design. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: PDF Download Page Count Estimated Page Count: Approx. 2000+ pages (typical for a comprehensive factory service manual) 📖 Manual Coverage Systems Covered Engine Mechanical: Rotary engine (13B-REW), apex seals, rotor housing, eccentric shaft, lubrication system, cooling system, fuel injection, emissions control, ignition system, engine management. Transmission: Manual transmission (R154 or equivalent), clutch system, driveshaft, differential, transmission fluid specifications. Brakes: Front and rear disc brakes, ABS system, hydraulic system, brake fluid specifications, pad and rotor replacement. Suspension Steering: Front and rear independent suspension, shock absorbers, springs, bushings, power steering system, steering rack, alignment specifications. Electrical Electronics: Battery, charging system, starter motor, lighting system, instrument cluster, ECU, sensors, wiring diagrams, fuse box layout. Body Chassis: Body panel removal and installation, interior trim, doors, windows, convertible top (if applicable), chassis components, rust prevention. Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement (specific to rotary), coolant checks, belt inspections, fluid top-offs, brake inspections. Repair: Engine rebuild, transmission overhaul, brake system repair, suspension component replacement, electrical diagnostics and repair, bodywork repairs. Troubleshooting: Diagnosis of common drivability issues, electrical faults, starting problems, overheating, fuel system issues, with diagnostic charts and procedures. Technical Depth Depth: Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds. Includes detailed torque specifications, diagnostic procedures, and component-specific instructions. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for easy information retrieval. Print Quality: High-resolution scans allowing for clear printing of diagrams and text. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code: 13B-REW Displacement: 1.3 Liters (654cc x 2 chambers) Performance Horsepower: 252 hp @ 6500 rpm (early models), 276 hp @ 6500 rpm (later models) Torque: 217 lb-ft @ 3500 rpm (early models), 247 lb-ft @ 5000 rpm (later models) Redline: 7500 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (91 octane or higher recommended) Turbo System Turbo Configuration: Sequential Twin-Turbo Lubrication Oil Type Capacity: API SG/SH SAE 10W-30 or 10W-40, 4.8 US quarts (4.5 Liters) with filter change. Cooling System Coolant Type Capacity: Mazda FL22 or equivalent (long-life silicate-free coolant), 8.4 US quarts (7.9 Liters). 🔧 Transmission Standard Transmission Type: 5-speed Manual (Type R154 variant or similar) Optional Optional Transmission: 4-speed Automatic (less common, primarily for specific markets) Features Clutch Type: Hydraulic Twin-Plate or Single-Plate Clutch Transmission Fluid: API GL-4 SAE 75W-90 Gear Oil, 2.4 US quarts (2.3 Liters). 📐 Dimensions Exterior Length: 170.1 inches (4320 mm) Width: 69.1 inches (1755 mm) Height: 48.2 inches (1225 mm) Wheelbase: 95.5 inches (2425 mm) Weights Curb Weight: Approx. 2,800-3,000 lbs (1270-1360 kg), depending on trim and options. Gross Vehicle Weight: Approx. 3,800 lbs (1725 kg) Cargo Trunk Volume: Approx. 5.7 cubic feet (161 Liters) 🛡️ Safety Features Ratings NHTSA Rating: Not officially rated by NHTSA for 1993 model year in the same way as modern vehicles. Focus was on passive safety features. Active Features ABS: Standard Anti-lock Braking System (ABS) on most models. Traction Control: Optional or standard depending on trim/market (e.g., Torsen LSD often included). Passive Features Airbags: Driver and passenger...