🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Code: FC3S (Coupe), FC3C (Convertible) Year: 1985 Codes Chassis Code: FC3S/FC3C 👋 Introduction Market Position Market Position: The 1985 RX-7 (FC generation) represented Mazda's continued commitment to the sports coupe market, offering a unique rotary-engine-powered, rear-wheel-drive platform that appealed to enthusiasts seeking performance and distinctive engineering. It competed against established sports cars of its era. Competitive Analysis Competitive Analysis: Key competitors included the Nissan 300ZX (Z31), Toyota Supra (MkII), and perhaps more performance-oriented domestic coupes. The RX-7's primary differentiator was its Wankel rotary engine, offering a compact, high-revving power unit. Key Features Key Features: Unique rotary engine, lightweight construction, RWD platform, independent rear suspension (IRS), available turbocharged engine (later models), sporty styling, and a driver-focused cockpit. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive coverage for all systems of the 1985 Mazda RX-7, including engine, transmission, drivetrain, suspension, steering, brakes, fuel system, electrical system, body, interior, and HVAC. Page Count Page Count: Likely 1000+ pages (typical for a factory service manual of this era and scope). Manual Type Manual Type: Factory Service Workshop Manual Language Language: English Format Format: Printed (original factory publication). 📖 Manual Coverage Systems Covered Systems Covered: Engine Mechanical (Rotary), Engine Control (ECU/EFI), Fuel Injection, Ignition, Cooling System, Lubrication System, Exhaust System, Clutch, Manual Transmission, Automatic Transmission (if applicable), Driveshaft, Differential, Axles, Front Suspension, Rear Suspension, Steering System, Power Steering, Front Brakes, Rear Brakes, Parking Brake, Wheels and Tires, Chassis and Body Structure, Doors, Hood, Trunk Lid, Interior Trim, Seats, HVAC System (Air Conditioning, Heating), Electrical System (Wiring Diagrams, Components, Lighting, Instrumentation), Diagnostic Procedures, Troubleshooting Charts, Torque Specifications. Procedures Included Procedures Included: Routine maintenance (oil changes, filter replacements, spark plug replacement, coolant flushes), engine repair and overhaul (apex seal replacement, rotor housing inspection), transmission removal and rebuild, brake system service (pads, rotors, lines), suspension component replacement (bushings, shocks, springs), steering system repair, electrical system diagnosis and repair, diagnostic trouble code (DTC) interpretation and resolution, body panel alignment and repair, interior component replacement, HVAC system servicing. Technical Depth Technical Depth: Extremely high. Covers everything from basic adjustments and fluid checks to complete engine and transmission rebuilds, full electrical system troubleshooting, and detailed chassis and body repair procedures. Includes diagnostic flowcharts and component specifications. 📊 Manual Specifications File Format File Format: N/A (Printed) Print Quality Print Quality: Original factory quality, typically clear text and diagrams suitable for professional use. Binding Type Binding Type: Likely bound with a durable cover for workshop use. Paper Type Paper Type: Durable, thick paper designed for workshop environments. ⚙️ Engine Specifications Primary Engine Primary Engine: 13B Rotary (Naturally Aspirated and Turbocharged options available for later years of this generation, but the 1985 model year likely features the naturally aspirated 13B). Engine Code Nat Asp Engine Code Nat Asp: FE (Rotary, naturally aspirated, 1.3L effective displacement). Engine Code Turbo Engine Code Turbo: FE-T (Rotary, turbocharged, 1.3L effective displacement - typically introduced in 1986 models but may be relevant for specific market 1985 configurations or for a manual covering a range of early FCs). Performance Nat Asp Performance Nat Asp: Approx. 145-150 hp and 140-145 lb-ft of torque for the naturally aspirated 13B engine. Performance Turbo Performance Turbo: Approx. 182-200 hp and 190-200 lb-ft of torque for the turbocharged 13B engine (introduced in 1986). Rotor Housing Material Rotor Housing Material: Typically chrome-plated cast iron. Apex Seals Apex Seals: Critical wear component, usually made of carbon composite or ceramic materials. Manual will detail inspection and replacement. Fuel System Fuel System: Electronic Fuel Injection (EFI) system, typically with multi-point injection. Ignition System Ignition System: Electronic ignition with distributor and ignition control module. Cooling System Type Cooling System Type: Pressurized liquid cooling system. Lubrication System Lubrication System: Wet sump lubrication system, with a specific oil metering pump for apex seals and side seals. Oil Capacity Engine Oil Capacity Engine: Approx. 5.5 US quarts (5.2 liters) with filter. Manual will specify exact capacity and type. Recommended Oil Viscosity Recommended Oil Viscosity: Likely 10W-30 or 10W-40, depending on ambient temperature. Manual will detail specific recommendations. Oil Filter Part Number Oil Filter Part Number: Examples: Mazda OEM B607-14-302, Fram PH3501, Wix 51515 (Actual part number may vary; manual will list OEM and cross-references). 🔧 Transmission Standard Standard: 5-speed manual transmission. Optional Optional: 4-speed automatic transmission. Clutch Type Clutch Type: Hydraulically actuated, single dry plate clutch. Transmission Fluid Capacity Manual Transmission Fluid Capacity Manual: Approx. 2.1 US quarts (2.0 liters) for the manual transmission. Transmission Fluid Type Manual Transmission Fluid Type Manual: GL-4 gear oil, typically SAE 75W-90 or 80W-90. Manual will specify exact type and API classification. Transmission Fluid Capacity Auto Transmission Fluid Capacity Auto: Approx. 7.8 US quarts (7.4 liters) for the automatic transmission. Transmission Fluid Type Auto Transmission Fluid Type Auto: Mazda ATF-III or equivalent Dexron-III/Mercon compatible fluid. Manual will specify...