🏷️ Basic Information Identification Make: Mazda Model: RX-3 Production Years: 1971-1978 Chassis Codes: S102, S124, S132 Codes Engine Code Series: Mazda "Rotary" (12A, 13A) 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics. Value Proposition: Inexpensive way to maintain and repair the vehicle, empowering owners to avoid costly mechanic fees. Competitive Analysis Availability: As vehicles age, factory service information becomes scarce; this digital manual provides accessible documentation. Key Features Instruction Style: Easy-to-read text, step-by-step instructions, detailed exploded pictures and diagrams. Visual Aids: Hundreds of photos and illustrations, detailed drawings. Usability: Printable pages for in-garage use, digital format for easy transfer and storage. 📋 Manual Details Coverage Areas Primary Coverage: Factory Service Repair Workshop Manual Specific Models Covered: All Mazda RX-3 variants (Coupe, Sedan, Wagon) Page Count Estimated Page Count: Varies by specific edition, but comprehensive manuals typically range from 500-1500 pages. Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format File Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, component inspection, lubrication, timing, seals, rotary apex seal replacement, rotor housing machining. Cooling System: Radiator, water pump, thermostat, hoses, fan, coolant specifications, leak testing. Starting And Charging: Starter motor, battery, alternator, voltage regulator, wiring diagrams, testing procedures. Ignition System: Distributor, spark plugs, ignition coils, dwell angle, timing adjustments, electronic ignition components. Fuel System: Carburetor(s) (e.g., Hitachi, Mikuni), fuel pump, fuel lines, fuel filter, fuel pressure, cleaning and adjustment procedures. Emission Controls: Air injection systems, PCV (Positive Crankcase Ventilation), EGR (Exhaust Gas Recirculation), thermal reactors, catalytic converters (later models), vacuum diagrams. Engine Controls: Vacuum control systems, thermal vacuum switches, control solenoids. Transmission: Manual transmission (4-speed, 5-speed) and automatic transmission (e.g., Toyoglide), clutch operation, transmission overhaul, gear ratios, fluid specifications. Driveline: Driveshaft, universal joints, rear axle, differential, wheel bearings, maintenance and overhaul. Suspension: Front independent suspension (struts, control arms), rear leaf springs (later models) or live axle, shock absorbers, bushings, alignment specifications. Steering: Steering gear, tie rods, steering linkage, power steering system (if equipped), steering wheel removal. Brakes: Front disc brakes, rear drum brakes, hydraulic system, master cylinder, wheel cylinders, brake lines, parking brake, bleeding procedures, specifications. Electrical: Wiring diagrams, lighting circuits, instrument panel, switches, fuses, relays, horn, wipers, power windows (if equipped). Body Interior Exterior: Body panel removal and installation, door mechanisms, window regulators, seat adjustment, interior trim, exterior trim, bumpers, lighting fixtures. HVAC: Heating, ventilation, and air conditioning systems (if equipped), components, refrigerant, service procedures. Instrumentation And Warning Systems: Speedometer, tachometer, fuel gauge, temperature gauge, oil pressure warning light, brake warning light, diagnostic indicators. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks and changes, lubrication. Troubleshooting: Diagnostic guides, symptom-based troubleshooting, common problems and their solutions. Repair: Step-by-step instructions for component repair, overhaul, and replacement. Disassembly And Assembly: Complete disassembly and reassembly procedures for major vehicle systems. Electrical Diagnostics: Detailed wiring diagrams, component testing, fault finding. Engine Rebuild: Comprehensive instructions for rebuilding the rotary engine, including specific clearances and tolerances. Technical Depth Depth: Complete Factory Service Manual coverage from basic maintenance to complex engine and transmission rebuilds. Detail Level: Highly detailed with step-by-step instructions, exploded views, diagrams, and photographs. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and Mac OS Searchability: Generally searchable PDF text. Print Quality Printability: All pages are printable. Binding Type Binding: Digital (No physical binding) Paper Type Paper Type: Digital (No physical paper) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Codes: 12A (573cc per rotor, 1146cc total displacement equivalent), 13A (654cc per rotor, 1308cc total displacement equivalent) Rotor Housing Material: Chromium-plated alloy steel Performance Horsepower Range: Approximately 90-110 hp (SAE Gross), depending on model year and emissions equipment. Torque Range: Approximately 100-120 lb-ft (SAE Gross), depending on model year and emissions equipment. Fuel System Carburetion: Dual downdraft Hitachi or Mikuni carburetors are common. Fuel Type: Unleaded gasoline (later models may require specific octane ratings due to emissions controls). Maintenance Notes Apex Seal Life: Apex seal wear is a critical maintenance point; refer to manual for inspection and replacement procedures. 🔧 Transmission Standard Manual Transmission: 4-speed and 5-speed manual transmissions were widely available. Optional Automatic Transmission: Optional 3-speed automatic transmission (e.g., Toyoglide). Features Clutch Type: Dry single-plate clutch. Fluid Specifications Manual Transmission Fluid: API GL-4 SAE 75W-90 or SAE 80W-90 gear oil is typically recommended. Consult manual for exact specification. Automatic Transmission Fluid: Dexron II or equivalent (check manual for exact specification). 📐 Dimensions Exterior Wheelbase: Approximately 97.0 inches (2465 mm) Length: Approximately 164.0 inches (4165 mm) Width: Approximately 64.4 inches (1635 mm) Height: Approximately 53.0 inches (1345 mm) for Coupe. Weights Curb Weight: Approximately 2,200 - 2,500 lbs (1000 - 1135 kg), depending on body style and equipment. Gross Vehicle Weight Rating: Refer to vehicle's compliance plate or manual for specific GVWR. 🛡️ Safety Features Ratings Crash Test Data:...