🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: FC3S (S4) Model Year: 1989 Chassis Code: FC3S Codes Engine Code: 13B 👋 Introduction Market Position Positioning: Performance-oriented sports coupe, known for its rotary engine and unique handling characteristics. Competitive Analysis Competitors: Nissan 300ZX (Z32), Toyota Supra (MkIII), Mitsubishi Starion. Key Features Rotary Engine: Unique twin-rotor Wankel engine, renowned for its smooth operation and high revving capabilities. Handling: Balanced chassis, independent suspension, and near 50/50 weight distribution contribute to exceptional handling. Design: Sleek, aerodynamic 'bubble' styling, pop-up headlights. 📋 Manual Details Coverage Areas Vehicle Coverage: 1989 Mazda RX-7, 1.3L (13B) Naturally Aspirated Page Count Page Count: Extensive (specific count not provided, typical for factory manuals) Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Digital (likely PDF, based on common sales practices) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, component testing, lubrication, cooling system, fuel injection system (EFI), ignition system, emissions control. Engine Electrical: ECU, sensors, actuators, wiring diagrams, diagnostics, starter system, charging system. Transmission: Manual transmission overhaul, clutch system, driveline, differential. Brakes: Hydraulic system, disc brake components, parking brake, ABS (if equipped). Suspension Steering: Front and rear suspension components, steering gearbox, power steering system, wheel alignment specifications. Body Chassis: Body panel removal/installation, interior trim, exterior trim, structural components, chassis alignment. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair. Electrical Accessories: Lighting system, power windows, power mirrors, wipers, horn, audio system. Procedures Included Maintenance Schedules: Recommended service intervals for oil changes, filter replacements, spark plug checks, belt inspections, fluid checks. Diagnostic Troubleshooting: Systematic troubleshooting guides for common drivability issues, electrical faults, and mechanical problems. Repair Procedures: Step-by-step instructions for component replacement, adjustments, and repairs. Specifications Data: Torque specifications, clearances, fluid capacities, diagnostic data (e.g., sensor voltage ranges). Wiring Diagrams: Detailed electrical schematics for all vehicle systems. Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Covers diagnostics, repair, and overhaul of all major systems. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Diagram Resolution: High-quality, clear diagrams and illustrations. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Twin-Rotor Displacement: 1308 cc (1.3L) Performance Horsepower: 150 hp (112 kW) @ 6500 rpm Torque: 170 lb-ft (230 Nm) @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Engine Management Ignition System: Distributorless Ignition System (DIS) with twin ignition per rotor ECU Type: Engine Control Unit (ECU) 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission Optional Transmission Type: 4-speed Automatic Transmission Features Clutch Type: Single dry plate clutch Final Drive Ratio: Typically 4.10:1 (for manual transmission) 📐 Dimensions Exterior Length: 4320 mm (170.1 in) Width: 1700 mm (66.9 in) Height: 1285 mm (50.6 in) Wheelbase: 2430 mm (95.7 in) Weights Curb Weight: Approx. 1250 kg (2755 lbs) for manual transmission 🛡️ Safety Features Ratings NHTSA Rating: Not specifically rated by modern standards, as was common for the era. Active Features ABS: Optional Anti-lock Braking System (ABS) Passive Features Seatbelts: 3-point retractable front seat belts. Airbags: Driver airbag (standard on some models/markets, optional on others). 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player. Optional premium sound system. Instrument Cluster: Analog gauges including tachometer, speedometer, oil pressure, water temperature, and fuel gauge. Tachometer redlines at 7000 rpm. Driver Assistance ABS: Optional Anti-lock Braking System. Connectivity Connectivity Features: None beyond the factory audio system. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions. Spark Plugs: Inspect/replace at 30,000 miles (50,000 km). Requires specific rotary spark plugs (e.g., NGK BPR7EIX). Air Filter: Inspect every 15,000 miles (24,000 km), replace as needed. Fluid Specifications Engine Oil: API SG or higher, SAE 10W-30 or 10W-40 recommended. Rotary engines require specific oil additive packages. Check manual for exact specs. Coolant: Ethylene glycol-based coolant, 50/50 mix with distilled water. Transmission Fluid: API GL-4, SAE 75W-90 or 80W-90 gear oil. Brake Fluid: DOT 3 or DOT 4 brake fluid. Known Issues Apex Seals: Wear and failure of apex seals leading to compression loss and engine failure. Crucial to monitor compression. Oil Consumption: Rotary engines consume oil by design for lubrication. Premixing or proper oil metering is vital. Excessive consumption indicates issues. Overheating: Can be prone to overheating if cooling system is not maintained. Check radiator, hoses, and water pump. Vacuum Leaks: Aging rubber hoses and gaskets can lead to vacuum leaks, affecting engine performance and idle. 📚 Vehicle History Brand Heritage Mazda Rotary: Mazda's long and storied history with the Wankel rotary engine, starting with the Cosmo Sport. Model Evolution Fc Generation: Second generation RX-7 (FC), produced from 1985 to 1992. This manual covers the 1989 S4 facelift model. Production Production...