🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: FC3S (Third Generation - S5) Years Covered: 1989-1991 Codes Chassis Code: FC3S Engine Code Primary: 13B-T (Rotary) 👋 Introduction Market Position Vehicle Class: Compact Sports Car / Grand Tourer Target Audience: Enthusiast owners, professional mechanics, and DIY repairers of the Mazda RX-7 FC S5 generation. Competitive Analysis Competitors: Nissan 300ZX (Z32), Toyota Supra (Mk3), Mitsubishi Starion/Chrysler Conquest. Key Features Vehicle Selling Points: Unique rotary engine, balanced chassis, pop-up headlights, rear-wheel drive, optional convertible. Manual Value Proposition Benefit: Provides essential technical knowledge for maintaining, troubleshooting, and repairing the highly specialized 13B-T rotary engine and the advanced systems of the RX-7 S5. 📋 Manual Details Coverage Areas Primary Focus: Maintenance and Repair Procedures Technical Depth: Comprehensive Factory Service Manual Level Page Count Estimated Pages: Refer to specific product listing for exact page count, typically 1000+ pages for full factory manuals. Manual Type Type: Service Repair Manual (Factory Original) Language Language: English Format Format: Electronic (PDF) 📖 Manual Coverage Systems Covered Engine: Rotary (13B-T), lubrication, cooling, fuel, ignition, emissions control, starting, charging. Transmission: Manual (5-speed), Automatic (4-speed), driveline, clutch. Chassis: Suspension (front/rear independent), steering, brakes (hydraulic, ABS), wheels, tires. Electrical: Wiring diagrams, lighting, instruments, power accessories, body electrical, engine control unit (ECU). Body: Exterior body panels, interior trim, glass, doors, HVAC system, seats. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication. Diagnostics: Troubleshooting charts, symptom-based diagnosis, diagnostic trouble codes (DTCs). Repair: Component removal and installation, disassembly and reassembly, adjustments, calibrations. Technical Specifications: Torque specifications, clearances, tolerances, fluid capacities, electrical data. Technical Depth Level: In-depth, covering complete engine rebuilds, transmission overhauls, and complex electrical system repairs. 📊 Manual Specifications File Format Format Details: Searchable PDF with indexed sections for easy navigation. High-resolution scans of original factory documents. Print Quality Quality: Excellent, preserving all diagrams, schematics, and text legibility of the original. Binding Type Binding: N/A (Electronic Format) Paper Type Paper Type: N/A (Electronic Format) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code: 13B-T Configuration: Twin-Rotor, Naturally Aspirated (NA) and Turbocharged (T) Displacement: 1.3L (654cc x 2) Performance Horsepower Turbo: 200 hp @ 6500 rpm (1989-1990), 225 hp @ 6500 rpm (1991 - Turbo II) Torque Turbo: 197 lb-ft @ 3500 rpm (1989-1990), 217 lb-ft @ 3500 rpm (1991 - Turbo II) Horsepower Naturally Aspirated: 160 hp @ 6500 rpm (Non-turbo models) Torque Naturally Aspirated: 145 lb-ft @ 3500 rpm (Non-turbo models) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Twin Bosch Fuel Injectors per rotor housing. Turbocharging System: Single Turbocharger (Bosch or Hitachi/Garrett depending on market/year), Intercooler (Top-mounted) Ignition System: Distributorless Direct Ignition System (DIS) with twin ignition plugs per rotor (S5 feature). Fluid Specifications Engine Oil Type: API SG or SH, SAE 10W-30 or 10W-40 (Synthetic recommended for rotary engines). Oil Capacity: 4.5 Liters (4.8 US Quarts) with filter. Coolant Type: Ethylene Glycol based, 50/50 mix with distilled water. Coolant Capacity: Approx. 7.5 Liters (7.9 US Quarts). Known Issues Rotary Apex Seals: Wear or failure of apex seals is a common concern requiring engine rebuilds; regular oil changes and proper warm-up/cool-down are crucial. Oil Metering: Malfunctioning oil metering pump can lead to insufficient lubrication; regular inspection and maintenance are advised. Overheating: Rotary engines generate significant heat; cooling system maintenance (radiator, hoses, fan) is critical. 🔧 Transmission Standard Type: 5-Speed Manual (RX-7 Turbo II, GTUs, GXL) Optional Type: 4-Speed Automatic (RX-7, Convertible) Features Limited Slip Differential: Optional on Turbo II and GXL models. Fluid Specifications Manual Transmission Fluid: API GL-4 or GL-5 SAE 75W-90 Gear Oil (Check specific manual for exact recommendation). Automatic Transmission Fluid: Dexron II or equivalent (Mazda ATF-Type II). 📐 Dimensions Exterior Length: Approx. 4,365 mm (171.9 in) Width: Approx. 1,690 mm (66.5 in) Height: Approx. 1,270 mm (50.0 in) Wheelbase: Approx. 2,430 mm (95.7 in) Weights Curb Weight: Approx. 1,270 kg - 1,400 kg (2,800 lbs - 3,100 lbs) depending on trim and equipment. 🛡️ Safety Features Ratings NHTSA Ratings: Information may vary by year and market; early 1990s vehicles generally had less rigorous testing than modern standards. Active Features Antilock Brakes: Standard on Turbo II, GXL; Optional on other trims (ABS). Passive Features Seat Belts: Three-point inertia reel seat belts. Airbags: Driver's side airbag became standard on later models (check specific year). Chassis Design: Reinforced chassis structure for improved impact resistance. 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette stereo with optional CD player. Speaker configuration varied by trim. (Upgrade potential exists). Driver Assistance Cruise Control: Standard on most models. Anti Lock Brakes: As mentioned in safety, ABS was available. Connectivity OBD Ii: N/A - OBD-I compliant (Mazda's proprietary diagnostic system). The manual will detail how to access and interpret these codes. 🔧 Maintenance Service Intervals Oil Change: Every 5,000 km (3,000 miles) or 6 months. Rotary specific oil is recommended. Air Filter Replacement:...