🏷️ Basic Information Identification Make: Mazda Model: RX-3 Year: 1975 Codes Chassis Code: SAv (Coupe), SAx (Sedan), SAy (Wagon) Generation Generation: First Generation (Series 1) 👋 Introduction Market Position Vehicle Segment: Compact sports car/sedan/wagon, niche market Competitive Analysis Competitors: Datsun Z-cars, Toyota Celica, Ford Capri, various European sports coupes of the era Key Features Powertrain: Unique rotary engine technology offering a distinct driving experience Design: Sporty styling, available in coupe, sedan, and wagon body styles Manual Value Proposition Benefit To Owner: Empowers owners to perform maintenance and repairs, saving time and money, and understanding their vehicle 📋 Manual Details Coverage Areas Primary Coverage: All models and all repairs A-Z Manual Type Type: Service and Repair Manual Format Digital Format: PDF Language Language: English Page Count Estimated Pages: Hundreds (typical for factory service manuals of this era) 📖 Manual Coverage Systems Covered Engine: Rotary engine (12A) maintenance, diagnosis, and repair Control System: Engine control, ignition system, fuel system Mechanical: Engine mechanical, drivetrain, chassis mechanicals Fuel Service: Carburetor service (e.g., Hitachi, Mikuni), fuel pump, fuel tank Emission Control: Emission control systems specific to 1975 regulations Cooling System: Radiator, cooling fan, thermostat, coolant flow Lubrication: Oil pump, oil filter, lubrication points, oil specifications Ignition: Distributor, ignition coil, spark plugs, timing specifications Charging System: Alternator, voltage regulator, battery maintenance Transmission Auto: Automatic transmission service, diagnosis, and repair (if applicable) Clutch: Clutch assembly, hydraulic system, adjustment, and replacement Transmission Manual: Manual transmission service, diagnosis, and repair Drivetrain: Propeller shaft, universal joints, rear axle, differential service Suspension: Front and rear suspension components, alignment, shock absorbers Wheels Tires: Wheel specifications, tire pressure, rotation, balancing Brake Control: Brake system hydraulics, master cylinder, proportioning valves Brakes: Front disc brakes, rear drum brakes, caliper/wheel cylinder service, pad/shoe replacement Parking Brake: Parking brake system operation, adjustment, and repair Steering: Steering column, steering gear, linkage, power steering system (if equipped) Air Conditioning: Air conditioning system components, service, and refrigerant handling (if equipped) Body Exterior: Hood, doors, windows, mirrors, trim, body panel repair Body Interior: Instrument panel, seats, door panels, carpeting, headliner Electrical: Complete vehicle electrical system, lighting, accessories, switches Wiring Schematics: Detailed wiring diagrams for all vehicle circuits Wiper Washer: Wiper motor, linkage, washer pump and reservoir service Door Locks: Door lock mechanisms, actuators, and key cylinders Instrumentation: Instrument cluster, gauges, warning lights, speedometers Audio Visual: Radio installation and service (typical) Horn: Horn system operation and replacement Glass Mirror: Windshield, side glass, rear glass, mirror replacement Procedures Included Maintenance: Routine maintenance procedures, fluid changes, filter replacements Diagnosis: Troubleshooting guides for common and uncommon issues Repair: Step-by-step repair instructions for all major vehicle systems Overhaul: Complete engine and transmission overhaul procedures Recalibration: Carburetor adjustments, ignition timing calibration Technical Depth Depth: Factory-level, comprehensive, for dealership technicians 📊 Manual Specifications File Format Digital Requirements: Adobe PDF Reader and Winzip (free) Print Quality Printability: All pages printable, high-resolution images Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Mazda Rotary (Wankel) Engine Code: 12A Displacement: 1146 cc (approx. 69.9 cubic inches) Performance Horsepower: Approx. 90-100 hp (depending on variant and tuning) Torque: Approx. 100-110 lb-ft (depending on variant and tuning) Fuel System Carburetion: Single or twin-barrel carburetor (e.g., Hitachi DCZ series, Mikuni Solex) Fuel Type: Unleaded gasoline (refer to manual for specific octane recommendations) Cooling System Cooling Type: Liquid-cooled Lubrication Oil Type: Rotary-specific oil mixture or pre-mix (consult manual for exact specifications and injection system) 🔧 Transmission Standard Transmission Type: 4-speed manual Optional Transmission Type: 3-speed automatic (e.g., Mazda JATCO) Features Clutch Type: Dry single plate Transmission Fluid: GL-4 gear oil (manual), ATF Dexron-II (automatic) - specific viscosities to be confirmed in manual 📐 Dimensions Exterior Wheelbase: Approx. 95.3 inches (2420 mm) Length: Approx. 162.4 inches (4125 mm) for Coupe Weights Curb Weight: Approx. 2100-2300 lbs (950-1045 kg) depending on body style and equipment 🛡️ Safety Features Ratings Crash Safety Era: Pre-modern safety standards; focus on passive restraints of the time Passive Features Seat Belts: Lap belts standard, shoulder belts may have been optional or standard on higher trims Steering Column: Collapsible steering column design 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, often with an 8-track player or cassette player as optional additions in later years or aftermarket. Driver Assistance Assist Features: None by modern standards; focus on basic vehicle operation. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 6 months, but consult manual for specific rotary oil recommendations. Spark Plug Replacement: Refer to manual; rotary spark plugs can have specific maintenance schedules. Timing Belt Replacement: N/A (Rotary engines do not have timing belts; they use apex seals and side seals within the rotor housing.) Fluid Specifications Coolant: 50/50 mix of ethylene glycol antifreeze and distilled water Brake Fluid: DOT 3 or DOT 4 brake fluid (check manual for...