🏷️ Basic Information Identification Make: Mazda Model: RX-4 Model Alias: RX4 Chassis Codes: LA2, LA2S, LA2V Production Years: 1972-1980 👋 Introduction Market Position Segment: Compact sports coupe/sedan, often considered a 'pony car' or 'sports compact' competitor of its era. Era Context: Launched during the golden age of rotary engine development by Mazda, positioning itself as a sporty and stylish alternative. Competitive Analysis Competitors: Challenged models like the Ford Mustang, Chevrolet Camaro, Datsun 240Z, and Toyota Celica. Key Features Powertrain: Unique rotary Wankel engine, offering a smooth, high-revving driving experience. Design: Stylish coupe and sedan body styles, often praised for their sporty lines and European-influenced aesthetics. Handling: Rear-wheel drive, balanced weight distribution contributing to agile handling characteristics. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Likely Printed or Digital (PDF) Page Count: Substantial (described as 'massive complete workshop manual') 📖 Manual Coverage Systems Covered Engine: Rotary engines (12A, 13B variants), including disassembly, assembly, troubleshooting, and component specifics. Fuel System: Carburetor systems (e.g., Mikuni, Hitachi), fuel pump, lines, and tank servicing. Ignition System: Distributor, coils, spark plugs, timing adjustment, and related components. Cooling System: Radiator, fan, water pump, hoses, thermostat, and coolant specifications. Exhaust System: Exhaust manifold, pipes, muffler, and emissions control components. Transmission Manual: Manual gearbox (e.g., 4-speed, 5-speed), clutch, shifter mechanism, and related components. Transmission Automatic: Optional automatic transmission servicing (if applicable to specific model variants covered). Drivetrain: Driveshaft, differential, axle shafts, and wheel bearings. Suspension Front: Independent front suspension, shock absorbers, springs, control arms, bushings, and alignment specifications. Suspension Rear: Leaf spring or coil spring rear suspension (depending on model variant), shock absorbers, and axle location components. Steering System: Steering gearbox, steering column, tie rods, and power steering system (if equipped). Brake System: Front disc brakes, rear drum brakes (typical), master cylinder, brake lines, calipers, wheel cylinders, and parking brake. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, gauges, fuses, and relays. Body And Chassis: Body panel removal/installation, frame repair, doors, windows, weatherstripping, and interior trim. Heating And Ventilation: HVAC system components, controls, blower motor, and heater core. Procedures Included Maintenance: Routine service, fluid changes, filter replacements, lubrication, and inspection procedures. Troubleshooting: Diagnostic charts and procedures for common issues across all major systems. Repair: Detailed step-by-step repair instructions for mechanical and electrical components. Overhaul: Complete engine and transmission overhaul procedures. Adjustment: Carburetor adjustment, ignition timing, valve clearance (if applicable to rotary apex seals in practice), brake adjustments. Specifications: Torque specifications, clearances, fluid capacities, and electrical data. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine rebuilds and diagnostics. 📊 Manual Specifications File Format Digital Format Details: If PDF, typically searchable text, printable pages, and high-resolution diagrams. Print Quality Print Details: For printed versions, expect clear text and high-quality reproductions of diagrams and illustrations. Binding Type Binding Details: Likely spiral-bound or perfect-bound for ease of use in a workshop environment. Paper Type Paper Details: Durable paper stock suitable for workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Type: Rotary Wankel Engine Codes: 12A (e.g., 1.2L equivalent displacement), 13B (e.g., 1.3L equivalent displacement) Performance Horsepower Range: Approximately 100-130 hp depending on specific engine and emissions controls. Torque Range: Approximately 100-120 lb-ft. Redline: Typically higher than piston engines, often around 6000-7000 RPM. Fuel System Fuel Delivery: Carbureted (single or dual barrel) is standard for most models. Fuel Type: Unleaded gasoline. 🔧 Transmission Standard Type: 4-speed or 5-speed manual transmission. Optional Type: 3-speed automatic transmission (less common). Features Drive: Rear-wheel drive (RWD). 📐 Dimensions Exterior Body Styles: 2-door Coupe, 4-door Sedan, and potentially a Station Wagon variant (Familia model). Wheelbase: Approx. 98.2 inches (2495 mm). Length: Approx. 165-175 inches (4190-4445 mm) depending on body style. Width: Approx. 64.8 inches (1645 mm). Height: Approx. 52.6-54.7 inches (1335-1390 mm) depending on body style. Weights Curb Weight: Approx. 2200-2500 lbs (1000-1135 kg) depending on configuration. 🛡️ Safety Features Ratings Era Context: Safety standards were less stringent than modern vehicles. No specific NHTSA/IIHS ratings available for this era. Active Features Brakes: Front disc brakes, rear drum brakes typical. Power assist often optional. Steering: Recirculating ball steering, power steering generally optional. Passive Features Seatbelts: Standard lap and shoulder belts. Construction: Unitized body construction with crumple zones typical for the era. 💡 Technology Features Infotainment Features: Basic analog radio (AM/FM), optional 8-track player or cassette deck. Simple heater controls. Driver Assistance Features: None by modern standards. Features would be limited to basic instrumentation and controls. Connectivity Features: No electronic connectivity features. 🔧 Maintenance Service Intervals Oil Change: Every 3,000 miles or 3 months, using high-quality oil (check manual for specific API rating). Spark Plugs: Inspect every 15,000 miles, replace as needed (specific rotary plugs). Apex Seals: Inspection/replacement is a major engine overhaul item, not a routine interval. Longevity varies significantly with maintenance and driving style. Fluid Specifications Engine Oil:...