The Mazda RX-3, a cornerstone of Mazda's innovative rotary engine lineage, was produced from 1971 to 1978. This compact sporty car, available in Coupe, Sedan, and Station Wagon body styles, distinguished itself with its unique rotary (Wankel) engine, typically the 1.0-liter 10A model, offering approximately 100-110 horsepower. Celebrated for its sporting heritage and success in motorsports, the RX-3 represented Mazda's pioneering spirit in automotive engineering, providing distinctive performance characteristics for its era. This comprehensive workshop repair service manual, written in English, covers all Mazda RX-3 models from 1971 through 1978. It is designed to assist owners, DIY enthusiasts, and professional technicians by providing detailed step-by-step repair procedures, diagnostic information, and technical specifications for all major systems, including the rotary engine, transmission, brakes, electrical, cooling, fuel, and chassis. The manual's extensive content, featuring numbered instructions, illustrations, and diagrams, ensures thorough understanding and effective maintenance and repair of the vehicle. 🏷️ Basic Information Identification Make: Mazda Model: RX-3 Model Designation: RX3 Generation: First Generation (S108A) Codes Chassis Code Prefix: S108A Engine Code Prefix: 10A (Rotary) 👋 Introduction Market Position Target Audience: Owners, DIY enthusiasts, and professional repair shops seeking detailed technical information for the Mazda RX-3. Competitive Analysis Value Proposition: Provides the same level of detail as professional workshop manuals, enabling significant cost savings on repairs and maintenance. Key Features Instruction Style: Numbered instructions, detailed illustrations, photos, and diagrams for clarity. Information Enhancements: Includes notes, cautions, warnings, and enlarged insets for critical information and detailed part examination. Digital Advantage: Digital format allows for printing specific sections, protecting the original from contamination. 📋 Manual Details Coverage Areas Years Covered: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978 Models Covered: All RX3 Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as comprehensive) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service: Engine Service / Repair (Rotary Engine) Transmission Service: Transmission Service / Repair (Manual & Automatic) Brake System: Brake System Overhaul and Service Electrical System: Electrical System Diagnosis and Repair, Wiring Diagrams Suspension: Suspension System Components and Service Steering: Steering System Service and Adjustment Cooling System: Cooling System Maintenance and Repair Fuel System: Fuel Injection / Fuel System Service and Troubleshooting Emission System: Emission System Control and Service HVAC: Heater/Air Conditioning System Service Engine Control: Engine Control System Diagnosis and Repair Chassis Body: Chassis and Body Repair, Maintenance, and Specifications Restraint System: Restraint System Information (where applicable) Interior: Interior Component Service and Trim Drivetrain: Differential / Drive Axle Service and Repair Axles: Axle Shafts and Components Service Procedures Included General Maintenance: General Maintenance Procedures Troubleshooting: Troubleshooting Common Issues and Diagnostics Periodic Lubrication: Periodic Lubrication Schedules and Specifications Repair Procedures: Detailed Step-by-Step Repair Procedures Disassembly Assembly: Component Disassembly and Assembly Instructions Cleaning Reinstallation: Component Cleaning and Reinstallation Procedures Technical Depth Depth: Comprehensive: Covering diagnostics, maintenance, and full repair procedures used by professional technicians. 📊 Manual Specifications File Format Format: PDF Requirements: Adobe PDF Reader, WinZip Print Quality Printability: Full Printable File Features Zoom Capability: YES (Zoom IN/OUT) Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Type: Rotary (Wankel) Engine Code: 10A Performance Displacement: 1.0 Litre (approx. 993cc) - Effective displacement for two rotors Horsepower Estimate: Approx. 100-110 hp (Varies by market and specific tuning) Fuel System Induction: Carburetor (e.g., Hitachi, Weber) or early Fuel Injection depending on market/model Fuel Type: Unleaded Gasoline (consider octane rating for older engines) Technical Notes Apex Seals: Critical component requiring specific lubrication and maintenance protocols. Rotor Housing Wear: Manual covers inspection and potential repair of rotor housing wear. 🔧 Transmission Standard Type: 4-speed Manual Transmission Optional Type: 3-speed Automatic Transmission Features Fluid Type: Specific manual and automatic transmission fluid types detailed within the manual. 📐 Dimensions Exterior Body Styles: Coupe, Sedan, Station Wagon Weights Curb Weight: Approx. 950-1050 kg (2094-2315 lbs) depending on body style and equipment. 🛡️ Safety Features Ratings Historical Safety: Safety standards of the era, typically lacking modern active safety features. Active Features Brakes: Front Disc Brakes, Rear Drum Brakes (standard on most models) Passive Features Seatbelts: Lap and shoulder belts (may vary by market and year) 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, potentially with an 8-track player depending on trim and options. Driver Assistance Features: None (standard for the era); features are mechanical. Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific intervals (typically more frequent for rotary engines than piston engines). Spark Plugs: Manual provides specific replacement intervals and types. Fluid Specifications Engine Oil: Specific viscosity and type for rotary engines (e.g., SAE 10W-30 or 10W-40, specific API service classification required). Coolant: Proper coolant mixture and type (e.g., ethylene glycol based) as specified. Known Issues Apex Seal Wear: A common concern for rotary engines, detailed...