The Mazda RX-7 First Generation (SA22C) is a compact sports car produced from 1978 to 1980, celebrated for its distinctive rotary engine technology, lightweight chassis, and sporty handling. This iconic model established Mazda's reputation in the performance car segment, offering a unique driving experience that set it apart from contemporaries like the Datsun Z-series and Toyota Celica. Engineered with a two-rotor Wankel engine (12A) producing approximately 100-110 horsepower, the RX-7 provided an engaging and spirited ride, making it a favorite among enthusiasts and a significant entry in automotive history. This workshop service and repair manual provides comprehensive technical guidance for the Mazda RX-7 First Generation (SA22C) models from 1978, 1979, and 1980. It covers a wide array of systems, including the rotary engine, fuel, ignition, transmission, drivetrain, suspension, steering, brakes, and electrical systems, as well as body and chassis components. The manual details routine maintenance procedures, in-depth diagnostic and troubleshooting guides, and instructions for component repair and overhaul, supported by essential specifications and data. Its purpose is to assist owners, mechanics, and technicians in effectively maintaining, repairing, and understanding this classic vehicle. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: First Generation (SA/FB) Codes Chassis Code: SA22C 👋 Introduction Market Position Segment: Compact Sports Car Target Audience: Enthusiasts, DIY Mechanics, Restoration Specialists Competitive Analysis Key Competitors: Datsun Z-series, Toyota Celica, Ford Capri, Fiat X1/9 Key Features Distinguishing Factor: Rotary Engine technology, lightweight chassis, sporty handling Value Proposition: Provides in-depth technical guidance for maintaining and repairing the iconic first-generation RX-7 📋 Manual Details Coverage Areas Model Years Covered: 1978, 1979, 1980 Region Specific Coverage: General (assumed global, specific regional variations may exist) Page Count Total Pages: 155 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English (presumed, standard for most workshop manuals) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Rotary Engine (12A) - Theory of Operation, Disassembly, Assembly, Troubleshooting, Diagnostics, Lubrication, Cooling System Fuel System: Carburetion (Nikki or similar), Fuel Pump, Fuel Lines, Fuel Tank, Emission Control Systems (Air Injection, EGR) Ignition System: Distributor, Ignition Coils, Spark Plugs, Ignition Timing, Electronic Ignition Components Drivetrain: Driveshaft, Rear Axle, Differential, Wheel Bearings Suspension: Front Suspension (MacPherson Struts), Rear Suspension (Multi-link), Shock Absorbers, Springs, Bushings, Alignment Specifications Steering: Steering Gear, Steering Column, Power Steering System (if equipped), Tie Rods, Ball Joints Brakes: Front Disc Brakes, Rear Drum Brakes (typically), Brake Lines, Master Cylinder, Calipers, Wheel Cylinders, Parking Brake System, Brake Fluid Specifications Electrical System: Wiring Diagrams, Battery, Alternator, Starter Motor, Lighting System, Fuses, Relays, Gauges, Horn, Wiper System Body And Chassis: Body Panel Repair, Doors, Hood, Trunk, Glass, Bumpers, Interior Trim, Chassis Frame, Corrosion Protection HVAC: Heating System, Ventilation, Air Conditioning (if equipped), Refrigerant Type, Service Procedures Transmission Manual Transmission: Removal, Installation, Disassembly, Assembly, Fluid Specifications, Troubleshooting Automatic Transmission: If applicable for the model years covered - Removal, Installation, Troubleshooting, Fluid Specifications Procedures Included Maintenance: Oil Changes, Filter Replacements, Spark Plug Service, Fluid Top-offs, Belt Adjustments, Inspection Procedures Diagnostics Troubleshooting: Step-by-step diagnostic flowcharts for common problems, symptom-based troubleshooting guides Repair Overhaul: Detailed instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation Specifications Data: Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic parameters Technical Depth Depth: Comprehensive, covering routine maintenance to major component overhauls and troubleshooting 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable if OCR'd properly Print Quality Quality: Variable (depends on original scan quality), typically clear for text and diagrams Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Mazda Rotary (Wankel) Engine Engine Code: 12A Rotor Displacement: 573 cc per rotor (total 1.15 liters equivalent) Configuration: Two-Rotor Performance Horsepower: Approx. 100-110 hp (varies slightly by year and market) Torque: Approx. 105-115 lb-ft (varies slightly by year and market) Fuel System Carburetion: Single or Twin Downdraft Carburetors (e.g., Nikki, Solex) Fuel Type: Unleaded Gasoline (Octane rating appropriate for performance) Lubrication Oil Type: Specific Rotary Engine Oil (e.g., API SG/SH or equivalent, consult manual for exact specs and viscosity) Cooling System Coolant Type: Ethylene Glycol based antifreeze/coolant mixture (50/50) 🔧 Transmission Standard Type: 4-Speed Manual Transmission (early models), 5-Speed Manual Transmission (later models) Optional Type: 3-Speed Automatic Transmission Features Clutch Type: Dry Single Plate Clutch Fluid Specifications Manual Transmission Fluid: API GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90, consult manual for specific viscosity and capacity) Automatic Transmission Fluid: Dexron II or equivalent 📐 Dimensions Exterior Body Style: 2-Door Coupe, 2-Door Fastback Wheelbase: Approx. 95.7 inches (2430 mm) Length: Approx. 163.0 inches (4140 mm) Width: Approx. 65.2 inches (1655 mm) Height: Approx. 50.6 inches (1285 mm) Weights Curb Weight: Approx. 2200-2400 lbs (1000-1090 kg) 🛡️ Safety Features Ratings Crash Test Data: Limited official data available for this era, rely on contemporary automotive reviews and general safety practices of the time. 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