🏷️ Basic Information Identification Make: Mazda Model: RX-3 Year: 1975 Model Codes: S102, S124, S132 (Chassis Codes may vary by body style and market) Codes Engine Code Primary: 12A (Rotary) 👋 Introduction Market Position Target Audience: Enthusiasts, DIY mechanics, classic car restorers, and professional automotive technicians specializing in rotary engines. Competitive Analysis Manual Value Proposition: Provides factory-level diagnostic and repair information crucial for maintaining the unique rotary powertrain and classic Japanese vehicle systems. Key Features Key Features Of Manual: Comprehensive coverage, detailed diagrams and illustrations, troubleshooting guides, factory specifications, Rotary engine specific data. 📋 Manual Details Coverage Areas Markets Covered: Primarily North American market, with potential applicability to other international markets given the general nature of service procedures. Page Count Estimated Page Count: Likely 500+ pages, typical for comprehensive factory service manuals of this era. Manual Type Manual Type: Factory Service & Repair Manual Language Language: English Format File Format: PDF Delivery File Delivery Method: Digital Download (.rar/.zip archive) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, inspection, assembly, timing, seals, rotary apex seal details, rotor housing machining, lubrication system overhaul. Engine Lubrication System: Oil pump, oil cooler, oil filter, oil passages, oil pan removal/installation, oil specifications. Engine Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications, fan operation, flush and fill procedures. Engine Control System: Ignition timing, distributor, spark plugs, coils, ignition module, idle speed control (if applicable), diagnostic procedures for ignition system faults. Fuel System: Carburetor (likely Hitachi), fuel pump, fuel filter, fuel lines, float bowl adjustment, jetting, vacuum secondary operation, cold start enrichment. Exhaust System: Exhaust manifold, catalytic converter (if fitted to US models), muffler, pipes, hangers, seals, torque specifications. Accelerator Control System: Throttle cable adjustment, linkage inspection, pedal assembly. Clutch: Clutch disc, pressure plate, release bearing, pilot bearing, clutch master cylinder, slave cylinder, hydraulic fluid specifications, bleeding procedures. Manual Transmission: Gearbox disassembly, inspection, gear ratios, synchromesh, bearings, seals, lubrication, shift linkage adjustment. Automatic Transmission: Transmission disassembly, torque converter, valve body, clutch packs, bands, fluid types and capacities, band adjustment, troubleshooting. Propeller Shaft: Driveshaft removal, balancing, U-joint inspection and replacement, universal joint grease specifications. Rear Final Drive: Differential disassembly, ring gear and pinion gear backlash adjustment, bearing pre-load, axle shaft removal, fluid specifications. Front Axle: Wheel bearings, spindle, hub assembly, steering knuckle, grease specifications. Rear Axle: Axle shaft removal, bearings, seals, hub assembly, brake drum removal. Front Suspension: Shock absorbers, coil springs, control arms, ball joints, bushings, tie rod ends, wheel alignment specifications, camber, caster, toe. Rear Suspension: Leaf springs (if applicable), shock absorbers, trailing arms, Panhard rod (if applicable), bushings, wheel alignment specifications. Brake System: Front disc brakes, rear drum brakes, brake calipers, master cylinder, brake lines, brake fluid specifications, bleeding procedures, parking brake adjustment. Parking Brake System: Parking brake cables, mechanism, adjustment, drum brake shoe linkage. Brake Control System: Proportioning valves, metering valves (if present), brake system diagnostics. Steering Control System: Steering box, steering column, power steering pump (if equipped), power steering fluid, tie rod ends, steering linkage, alignment. Seat Belts: Seat belt anchor points, retractors, webbing inspection, adjustment. Supplemental Restraint System Srs: Not applicable for 1975 models. SRS systems were not standard or common. Body Lock And Security System: Door locks, ignition lock cylinder, trunk lock, keyless entry (not applicable), alarm systems (not applicable). Glasses Window System And Mirrors: Window regulator mechanisms, door glass removal/installation, weatherstripping, mirror adjustment and replacement. Exterior And Interior: Door panel removal, trim pieces, dashboard, interior upholstery, exterior trim, emblems, bumpers. Instrument Panel: Instrument cluster removal/installation, gauge functions (speedometer, tachometer, fuel, temp), warning lights, illumination. Seat: Seat adjustment mechanisms, seat rail lubrication, seat cover replacement. Automatic Air Conditioner: A/C system components (compressor, condenser, evaporator), refrigerant type (R-12), charging procedures, leak detection, blower motor, controls. Starting And Charging System: Starter motor, solenoid, battery specifications, alternator, voltage regulator, wiring diagrams. Lighting System: Headlights, taillights, brake lights, turn signals, interior lights, fuse box location, bulb types, wiring diagrams. Driver Information System: Basic driver information; typically limited to gauge readouts and warning lights for this era. Wiper Washer And Horn: Wiper motor, wiper blades, washer fluid reservoir, pump, nozzles, horn operation, switch testing. Body Control System: Basic body electrical controls; not sophisticated computer-based systems. Lan System: Not applicable for 1975 models. LAN (Local Area Network) systems are a modern automotive feature. Audio Visual Navigation And Telephone System: Basic AM/FM radio, antenna, speaker wiring. Navigation and telephone systems are not applicable. Auto Cruise Control System: If equipped, covers vacuum or electronic cruise control system components, vacuum lines, actuators, and control module. Power Supply Ground And Circuit Elements: Detailed wiring diagrams, fuse box layouts, relays, grounds, power distribution, circuit tracing. Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, lubrication points, tune-up procedures, belt adjustments. Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting, component testing, common fault identification for engine, transmission, brakes, electrical systems. Repair: Step-by-step instructions...