🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Code: FC3S (2nd Generation) Chassis Code: FC3S Product Name: Mazda RX-7 Service Repair Manual 1985-1988 👋 Introduction Market Position Positioning: The Mazda RX-7 FC generation was positioned as a sporty, affordable performance coupe with a unique rotary engine offering. Competitive Analysis Competitors: Competed with vehicles like the Toyota Supra, Nissan 300ZX, and Mitsubishi Starion. Key Features Rotary Engine: Distinctive Wankel rotary engine renowned for its smoothness, high-revving nature, and compact size. Design: Pop-up headlights, aerodynamic styling, and balanced chassis (often cited for 50/50 weight distribution). Performance Variants: Turbo II models offered significantly enhanced performance. 📋 Manual Details Coverage Areas Coverage Scope: All models, all repairs A-Z Page Count Estimated Page Count: Detailed, professional manual typically exceeding 1000 pages for comprehensive coverage. Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Rotary engine (13B), lubrication, cooling, fuel injection, ignition, emissions control, starting, charging. Transmission: Manual (G5M-R), Automatic (JATCO), clutch, driveline, driveshaft, differential. Brakes: Hydraulic system, front disc, rear disc, ABS (if equipped), parking brake. Suspension Steering: Front MacPherson struts, rear independent suspension, power steering system, steering column. Electrical: Wiring diagrams, lighting, instruments, audio system, power windows, central locking, ECUs. Body Chassis: Body construction, doors, windows, seats, interior trim, bumpers, chassis components. HVAC: Air conditioning, heating, ventilation, blower motor, controls. Procedures Included Maintenance: Routine checks, fluid changes, filter replacements, spark plug service, belt adjustments. Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation (OBD-I). Repair: Component removal and installation, engine rebuild, transmission overhaul, brake caliper replacement, suspension joint replacement. Overhaul: Detailed procedures for complete engine and transmission rebuilds. Specifications: Torque values, clearances, timing settings, electrical resistance values. Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Detail Level: Great detail on all major repair topics. 📊 Manual Specifications File Format Quality: High-quality PDF, designed for easy reading. Print Quality Printability: Printable pages for on-site workshop use. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Pistonless Two-Rotor Engine Code Naturally Aspirated: 13B-FC Engine Code Turbocharged: 13B-T (Turbo II) Displacement: 117.5 cu in (1.9 L) equivalent displacement per rotor, total 235 cu in (3.9 L) effective. Performance Horsepower Naturally Aspirated: Approximately 145-160 hp (varies by market and year) Horsepower Turbocharged: Approximately 182-200 hp (varies by market and year) Torque Naturally Aspirated: Approximately 138-145 lb-ft Torque Turbocharged: Approximately 183-203 lb-ft Fuel System Injection: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (Premium Recommended) Turbo System: Single Turbocharger (Hitachi/Garrett). Cooling System Type: Water-cooled, front-mounted radiator. 🔧 Transmission Standard Type: 5-speed Manual Transmission (Mazda G5M-R) Optional Type: 4-speed Automatic Transmission (JATCO) Features Limited Slip Differential: Available on Turbo II and some naturally aspirated models, often as an option. Clutch Type: Hydraulically actuated, single dry plate clutch. 📐 Dimensions Exterior Length: Approx. 167.5-170.1 inches (4255-4320 mm) Width: Approx. 67.7 inches (1720 mm) Height: Approx. 49.6-50.2 inches (1260-1275 mm) Wheelbase: Approx. 95.7 inches (2430 mm) Weights Curb Weight: Approx. 2750-3000 lbs (1250-1360 kg), varies by model and options. Gvw: Not typically specified for performance coupes, focus on curb weight. 🛡️ Safety Features Ratings NHTSA Ratings: Specific NHTSA ratings for this period can be difficult to find; focus is on active safety features. Active Features ABS: Anti-lock Braking System available as an option on some models, particularly Turbo II. Traction Control: Not typically available during this period. Passive Features Airbags: Driver's side airbag became standard later in the generation (late 87/88), but not universal. Seatbelts: 3-point inertia reel seatbelts. Rollover Protection: Reinforced A-pillars and chassis structure for torsional rigidity. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo cassette player, often with optional equalizer and premium speaker systems. Instrumentation: Analog gauges including tachometer, speedometer, oil pressure, oil temperature, water temperature, and fuel level. Driver Assistance Cruise Control: Standard on most models. Connectivity Telematics: Not applicable for this era. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions. Rotary engines require specific oil considerations. Spark Plugs: Replacement recommended at 30,000-60,000 miles (48,000-96,000 km), depending on plug type (standard vs. platinum, and specific rotary requirements). Timing Belt Chain: Rotary engines do not have a timing belt or chain; they use a timing chain for the oil pump and accessories. Fluid Specifications Engine Oil: API SG or SH classification, viscosity typically SAE 10W-30 or 10W-40. Rotary engines require specific considerations for oil consumption and apex seal lubrication. Transmission Fluid Manual: API GL-4 or GL-5, SAE 75W-90 gear oil is common. Specific Mazda specification often preferred. Transmission Fluid Automatic: Dexron II or equivalent automatic transmission fluid (ATF). Coolant: Mazda Genuine Antifreeze/Coolant or a high-quality ethylene glycol-based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water. Brake Fluid: DOT...