The Mazda RX-3, produced from 1971 to 1977, represents a significant chapter in automotive history, particularly for its pioneering use of the rotary (Wankel) engine. This compact car, available in Coupe, Sedan, and Station Wagon body styles, competed in markets across North America, Japan, Australia, and Europe. It was lauded for its smooth rotary engine performance, sporty styling, agile handling, and an affordable price point, offering a unique alternative to contemporary sedans and coupes. The RX-3's innovative design and engineering helped establish Mazda's reputation for distinctive and engaging vehicles, making it a beloved model among enthusiasts. This comprehensive Service and Repair Manual is designed to provide detailed guidance for the maintenance and repair of the Mazda RX-3. It covers all major systems, including the rotary engine (12A), fuel, ignition, cooling, lubrication, transmission, drivetrain, suspension, steering, brakes, and electrical systems, as well as body and chassis components. The manual includes scheduled maintenance procedures, troubleshooting guides for common issues, detailed repair and rebuild instructions, and essential technical specifications such as torque values and fluid capacities. With high-quality diagrams and clear, easy-to-understand instructions, this manual serves as an indispensable resource for owners, mechanics, and technicians alike, ensuring the longevity and optimal performance of the RX-3. 🏷️ Basic Information Identification Make: Mazda Model: RX-3 Generation: First Generation Production Years Covered: 1971-1977 Codes Chassis Codes: S102A, S124A, S132A (varies by body style and market) Engine Codes: 12A (various internal designations for specific models) 👋 Introduction Market Position Historical Context: The Mazda RX-3 was a pivotal model for Mazda, showcasing their commitment to the unique rotary engine technology and offering a sporty, stylish alternative in the compact car segment. Competitive Analysis Competitors: Competed against vehicles like the Datsun 1200/B210, Toyota Corolla, Honda Civic, and Ford Escort. Key Features Unique Selling Points: Rotary engine performance and smoothness, sporty styling, agile handling, affordable price point. Target Audience Intended Users: Enthusiast owners, DIY mechanics, professional repair shops seeking reliable information for classic Mazda rotary vehicles. Manual Philosophy Description From Product: Easy to read text sections with top-quality diagrams and instructions, written for both do-it-yourself enthusiasts and experienced mechanics. 📋 Manual Details Coverage Areas Primary Markets: North America, Japan, Australia, Europe Body Styles Covered: Coupe, Sedan, Station Wagon Page Count Estimated Page Count: Detailed internal estimate not provided, but typical for comprehensive factory service manuals covering multiple years and configurations. Manual Type Type: Service and Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download Printability: Full Printable Searchability: Likely text-searchable due to PDF format, facilitating quick information retrieval. Requirements Software Requirements: Adobe PDF Reader, WinZip (or equivalent unzipping software) Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Management: Rotary engine (12A) tuning, diagnostics, repair, rebuild procedures. Fuel System: Carburetor (e.g., Hitachi, Mikuni) service, fuel pump, fuel lines, tank. Ignition System: Distributor, ignition coils, spark plugs, timing adjustment. Cooling System: Radiator, thermostat, water pump, coolant flow, fan operation. Lubrication System: Oil pump, oil cooler, lubrication for rotary apex seals. Transmission: Manual transmission service, clutch operation, fluid specifications. Drivetrain: Driveshaft, differential, axle components. Suspension: Front and rear suspension components, alignment specifications, shock absorbers, springs. Steering: Steering gearbox, steering column, tie rods, power steering (if equipped). Brakes: Front disc brakes, rear drum brakes, brake hydraulics, parking brake. Electrical System: Battery, alternator, starter, lighting, wiring diagrams, fuses, relays. Body And Chassis: Body panel removal/installation, interior trim, glass, seals, chassis components. HVAC: Heating and ventilation system (if equipped). Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups. Troubleshooting: Diagnostic procedures for common and uncommon problems, symptom-based troubleshooting. Repair: Step-by-step repair instructions for all major components. Rebuild: Detailed procedures for engine rebuilds and transmission overhauls. Diagnostics: Engine, electrical, and mechanical system diagnostics. Specifications: Torque values, clearances, fluid capacities, timing settings. Technical Depth Depth: Comprehensive. Covers everything from basic fluid checks to complete engine and transmission rebuilds, including detailed electrical troubleshooting and component-level repair. Diagrams Illustrations: High-quality diagrams and exploded views for clear visual guidance. 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High resolution, suitable for printing individual pages or the entire document. Binding Type Binding For Digital: N/A (Digital download) Paper Type Paper For Printed Equivalent: Typically printed on durable, high-quality paper with a matte finish to reduce glare during use. ⚙️ Engine Specifications Primary Engine Type: Mazda Rotary (Wankel) Displacement: 1.16 L (69.7 cu in) (12A) Rotor Design: Two-rotor, side-port induction Performance Horsepower Est: Approx. 90-100 hp (depending on market and specific model year) Torque Est: Approx. 95-105 lb-ft (depending on market and specific model year) Fuel System Carburetion: Single or Twin Hitachi or Mikuni downdraft carburetors. Fuel Type: Unleaded gasoline (later models, earlier may have used leaded or had provisions). Lubrication System Oil Type Recommendation: High-quality mineral or semi-synthetic engine oil, specifically formulated or known to be suitable for...