🏷️ Basic Information Identification Make: Mazda Model: RX-7 Year: 1994 Generation Generation Code: 3rd Gen (FD) Codes Chassis Code: FD3S 👋 Introduction Market Position Segment: High-performance sports car, rotary-powered icon Competitive Analysis Competitors: Nissan 300ZX (Z32), Toyota Supra (Mk4), Mitsubishi 3000GT VR-4, Porsche 968 Key Features Design Philosophy: Lightweight chassis, advanced aerodynamics, twin-turbo rotary engine, balanced weight distribution Manual Purpose: To provide comprehensive, authoritative information for the maintenance, diagnosis, and repair of the 1994 Mazda RX-7 (FD) generation, mirroring dealership workshop procedures. 📋 Manual Details Coverage Areas Coverage: All models and all repairs A-Z Page Count Pages: Estimated 1000+ pages (typical for a complete factory service manual) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Printed (typically) or Digital (PDF scan) 📖 Manual Coverage Systems Covered Engine Mechanical: Rotary engine (13B-REW) overhaul, disassembly, assembly, lubrication, cooling, and timing Engine Management: Fuel injection, ignition system, emissions control, turbocharger system diagnostics and repair Transmission: Manual transmission (Mazda Type R) overhaul, clutch service, driveline Suspension: Front and rear suspension, steering system, wheel alignment Brakes: Brake system (front/rear discs, ABS), hydraulic components, parking brake Electrical: Wiring diagrams, lighting, power windows, central locking, instrument cluster, diagnostics Body And Interior: Body panels, doors, seats, HVAC system, body hardware Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks Diagnostics: Troubleshooting charts, symptom-based diagnostics, OBD-I diagnostic codes Repair: Component replacement, major and minor repairs for all systems Overhaul: Complete engine rebuild, transmission overhaul, differential service Installation: Component installation and removal procedures Technical Depth Depth: Factory-level technical detail, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Digital Quality: High-resolution scans, searchable text (if PDF), clear image quality Print Quality Print Paper: Durable paper stock, clear printing for diagrams and text Binding Type Binding: Spiral-bound or perfect-bound for lay-flat usability in a workshop environment ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code: 13B-REW Configuration: Twin-rotor, Twin-sequential turbocharged Performance Horsepower: 255 hp @ 6500 rpm (U.S. Spec) Torque: 217 lb-ft @ 5000 rpm (U.S. Spec) Fuel System Injection Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Premium Gasoline (91 octane or higher recommended) Rotary Specifics Apex Seals: Critical wear component, detailed inspection and replacement procedures covered Oil Injection: Two-stage oil injection system for apex seal lubrication 🔧 Transmission Standard Transmission Type: Mazda Type R 5-speed Manual Transmission Optional Transmission Type: None for 1994 model year Features Clutch: Hydraulic clutch system, dual-plate clutch assembly (performance variant) Differential: Torsen Limited-Slip Differential (LSD) standard on some trims 📐 Dimensions Exterior Length: 4295 mm (169.1 in) Width: 1750 mm (68.9 in) Height: 1230 mm (48.4 in) Wheelbase: 2505 mm (98.6 in) Weights Curb Weight: 1320 kg (2910 lbs) approx. 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated for this specific model year in current formats Active Features ABS: Anti-lock Braking System (ABS) standard Passive Features Airbags: Driver's airbag standard Seatbelts: Three-point inertia-reel seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo cassette player with optional CD player, premium speaker system Climate Control: Automatic climate control on higher trims, manual A/C standard Driver Assistance Cruise Control: Standard cruise control system Telematics: N/A for this model year 🔧 Maintenance Service Intervals Oil Change: Every 5,000 miles or 6 months, whichever comes first (synthetic oil recommended) Spark Plugs: Refer to manual; typically higher frequency for rotary engines due to specific ignition needs (e.g., trailing plugs) Timing Belt: N/A (Rotary engines do not have timing belts; they use a chain or gears for apex seal timing). Fluid Specifications Engine Oil: API SG or higher, SAE 10W-30 recommended (check manual for specific viscosity based on temperature) Coolant: Mazda Genuine Long Life Antifreeze/Coolant (Blue) or equivalent silicate-free, ethylene glycol based coolant Brake Fluid: DOT 3 or DOT 4 brake fluid Transmission Fluid: API GL-4, SAE 75W-90 gear oil Differential Fluid: API GL-5, SAE 75W-90 gear oil (if LSD, consult manual for specific LSD additive requirements) Known Issues Rotary Apex Seals: Premature wear or failure of apex seals, often due to poor maintenance or detonation. Manual covers inspection and replacement. Vacuum Lines: Degradation and cracking of vacuum hoses, affecting boost control and engine performance. Manual details routing and replacement. Sequential Turbo System: Actuator failures, control solenoid issues impacting turbo transition. Manual provides diagnostic flowcharts. Catalytic Converter: Clogging or failure, particularly with early models due to exhaust heat. 📚 Vehicle History Brand Heritage Rotary Legacy: Mazda's pioneering history with the Wankel rotary engine, dating back to the Cosmo Sport. Model Evolution Generation Debut: The 3rd Generation (FD) RX-7 debuted in 1991 (Japan) / 1992 (North America), representing a significant redesign with advanced chassis and engine technology. 1994 Updates: Minor revisions for 1994 model year, often focusing on emissions compliance, potential suspension tuning, and feature adjustments based on early market feedback. Production Production Period: 1992-2002 (FD generation)...