🏷️ Basic Information Identification Make: Mazda Model: RX-7 Year: 1990 Codes Chassis Code: FC3S (Limited Slip Differential option likely) 👋 Introduction Market Position Vehicle Segment: Sport Compact / Grand Tourer Target Audience: Enthusiasts, DIY mechanics, restoration projects Competitive Analysis Key Competitors Era: Nissan 300ZX (Z32), Toyota Supra (Mk3), Porsche 944, Chevrolet Camaro/Pontiac Firebird Key Features Vehicle Unique Selling Points: Rotary engine technology, distinctive styling, balanced chassis, rear-wheel drive dynamics Manual Benefit: Essential for diagnosing and repairing the unique rotary engine and its associated systems. 📋 Manual Details Coverage Areas Primary Focus: Workshop, Repair, Service Component Coverage: Engine, Lubrication, Cooling, Fuel & Emissions, Electrical, Clutch, Transmission, Axles, Steering, Brakes, Suspension, Body, HVAC, Technical Data, Special Tools Page Count Estimated Pages: Likely 500+ pages (typical for comprehensive workshop manuals) Manual Type Type: Workshop/Repair/Service Manual Language Language: English Format Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Mechanical: Rotary engine (13B) overhaul, apex seals, rotor housing inspection, eccentric shaft, rotor assembly, timing chain/drive, seals, gaskets, mounts Engine Performance: Turbocharger system (if applicable for 1990, often Twin Turbo), intercooler, boost control, ignition timing, detonation control Lubrication System: Oil pump, oil cooler, oil filter, oil passages, oil pressure checks, oil type specifications Cooling System: Radiator, water pump, thermostat, coolant type, cooling fan operation, hoses, flush and refill procedures Fuel And Emission Control: Fuel injection system (MPI), fuel pump, injectors, fuel pressure regulator, fuel filter, catalytic converter, EGR system, vacuum hoses, emission control components, diagnostic trouble codes (DTCs) Engine Electrical: Ignition system (distributor, coils, spark plugs), starter motor, alternator, battery, wiring diagrams, sensor testing (e.g., TPS, MAP, CAS), ECU diagnostics Clutch: Clutch disc, pressure plate, release bearing, clutch master cylinder, clutch slave cylinder, hydraulic system bleeding, adjustment procedures Manual Transmission: Gearbox overhaul, gear ratios, transmission fluid type and capacity, clutch release mechanism, driveshaft, U-joints Front Rear Axle: Differential inspection and overhaul, axle shafts, bearings, seals, axle fluid specifications, Limited Slip Differential (LSD) specifics (if applicable) Steering System: Power steering pump, steering rack, tie rods, steering column, alignment specifications, fluid type and capacity Braking System: Brake discs, pads, calipers, master cylinder, brake booster, ABS system (if equipped), brake fluid type and capacity, bleeding procedures, parking brake Wheels And Tires: Tire pressure specifications, wheel torque specifications, lug nut pattern, tire size recommendations, wheel bearing inspection Suspension: Front and rear suspension components (struts, control arms, bushings, ball joints, sway bars), shock absorber replacement, spring replacement, alignment specifications Body: Body panel removal and installation, door mechanisms, glass replacement, weatherstripping, interior trim, chassis repairs, rust prevention Body Electrical: Headlights, taillights, turn signals, interior lighting, power windows, power door locks, radio system, wiper system, wiring diagrams HVAC Systems: Air conditioning system servicing, refrigerant type, blower motor, heater core, evaporator, cabin air filter (if applicable), temperature control Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement Diagnostics: Troubleshooting common problems, symptom-based diagnostics, diagnostic trouble code (DTC) interpretation, electrical testing procedures, mechanical testing Repair Rebuild: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, body panel repair, interior component repair Installation Adjustment: Component installation, calibration of sensors, alignment adjustments, clutch adjustment, brake bleeding Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) Detail Level: Detailed step-by-step instructions with torque specifications, diagrams, and illustrations 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF Print Quality Quality: High-resolution digital scan, suitable for printing Binding Type Binding: N/A (Digital download) Paper Type Paper: N/A (Digital download) Compatibility Operating Systems: Windows / macOS ⚙️ Engine Specifications Primary Engine Engine Code: 13B (Naturally Aspirated and Turbocharged variants existed) Engine Type: Rotary (Wankel) Twin-Rotor Displacement: 1.3 Liters (approx. 654cc x 2 rotor chambers) Aspiration: Likely Naturally Aspirated (e.g., 13B-4), but Turbocharged (13B-T) variants were common for 1990, especially in higher trims. Performance Horsepower Naturally Aspirated: ~160-170 hp (estimate for NA) Horsepower Turbocharged: ~200-210 hp (estimate for Turbo) Torque: Approx. 145 lb-ft (NA), 200 lb-ft (Turbo) (estimates) Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Technical Details Ignition System: Distributor-based electronic ignition 🔧 Transmission Standard Type: 5-Speed Manual Optional Type: 4-Speed Automatic (less common for performance enthusiasts) Features Clutch Type: Hydraulically actuated single dry plate clutch Fluid Specifications Manual Transmission Fluid: API GL-5 SAE 75W-90 (typical, consult manual for exact spec) 📐 Dimensions Exterior Length: ~168.5 inches Width: ~69.1 inches Height: ~49.6 inches Wheelbase: ~95.7 inches Weights Curb Weight: ~2,750-2,950 lbs (depending on trim and options) 🛡️ Safety Features Ratings NHTSA Rating: Likely not rated by NHTSA under current standards; safety features of the era should be noted. Active Features Braking System: Front: Ventilated Discs, Rear: Discs. ABS available on some models. Traction Control: Not commonly equipped on 1990 models. Passive Features Airbags: Driver-side airbag typically standard for 1990. Seatbelts: 3-point seatbelts 💡 Technology...