🏷️ Basic Information Identification Make: Mazda Model: RX-4 Model Code: LA2 Production Year: 1975 👋 Introduction Market Position Market Niche: The Mazda RX-4 was positioned as a sporty and stylish compact car with a unique rotary engine, appealing to enthusiasts seeking an alternative to conventional piston engines. It competed in a segment with other sporty coupes and sedans of its era. Competitive Analysis Key Competitors: Datsun 240Z/260Z, Toyota Celica GT, Ford Capri, and other sporty coupes and sedans of the mid-1970s. Key Features Distinctive Attributes: Rotary engine technology, distinctive styling, and a focus on sporty driving dynamics. 📋 Manual Details Coverage Areas Manual Type: Complete Service & Repair Manual Language: English Format: Downloadable Digital Format (e.g., PDF) Page Count: Estimated 500-700 pages (typical for comprehensive service manuals of this era) 📖 Manual Coverage Systems Covered Engine Systems: Rotary engine (12A) general repair, troubleshooting, component overhaul (rotor housing, apex seals, rotor, eccentric shaft), cooling system, lubrication system, ignition system, fuel system (carburetion), emissions control systems. Transmission Systems: Manual transmission (4-speed and 5-speed) overhaul, maintenance, troubleshooting. Automatic transmission (if applicable) overview and basic maintenance. Drivetrain Systems: Clutch system, driveshaft, universal joints, rear axle assembly, differential overhaul. Suspension Systems: Front suspension (struts, control arms, bushings, steering linkage), rear suspension (leaf springs, shock absorbers, axle mounting), wheel alignment specifications. Braking Systems: Front disc brakes, rear drum brakes, hydraulic system, parking brake, master cylinder, wheel cylinders, brake lines, bleeding procedures. Steering Systems: Steering gearbox, steering column, tie rods, steering wheel, power steering system (if equipped). Electrical Systems: Battery, starter motor, alternator, ignition system, lighting system (headlights, taillights, interior lights), gauges, switches, wiring diagrams, fuses, relays, diagnostic procedures for electrical faults. Body And Chassis: Body panel removal and installation, door mechanisms, window regulators, seat adjustments, interior trim, exterior trim, chassis lubrication points, rust prevention. Heating And Air Conditioning: HVAC system operation, heater core, blower motor, control panel, refrigerant system (if applicable for AC). Procedures Included Maintenance Procedures: Scheduled maintenance (oil changes, filter replacements, spark plug checks/replacement, ignition timing adjustment, carburetor adjustment), fluid level checks and top-ups, lubrication. Diagnostic Procedures: Troubleshooting guides for common problems, symptom-based diagnostics, specific component testing procedures, diagnostic trouble codes (if applicable). Repair And Overhaul: Detailed step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation for all major vehicle systems. Technical Specifications: Torque specifications for fasteners, clearance specifications, pressure readings, electrical resistance values, diagnostic parameter ranges. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic maintenance and troubleshooting to full engine and transmission rebuilds. Suitable for professional mechanics and experienced DIY enthusiasts. Wiring Diagrams: Detailed, often color-coded, wiring schematics for all electrical circuits. Special Tools: Identification and usage instructions for specialized tools required for specific repair procedures. 📊 Manual Specifications File Format File Format: Likely PDF, ensuring compatibility and searchability. Print Quality Print Quality: Digital format allows for high-resolution viewing and printing of all diagrams and text. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Wankel Rotary (12A) Engine Configuration: Two-rotor, naturally aspirated Displacement: 1146 cc (equivalent to approximately 1.15 liters) for the 12A rotary engine. Performance Horsepower: Approximately 90-110 HP depending on emissions equipment and specific market tuning. Torque: Approximately 100-115 lb-ft depending on market tuning. Fuel System Fuel Delivery: Single or dual barrel downdraft carburetor (e.g., Hitachi or Solex). Fuel Type: Unleaded gasoline (as mandated for 1975 model year in many markets). Cooling System Cooling Type: Water-cooled Lubrication System Oil Type Recommendation: API SG/SH or equivalent, SAE 10W-30 or 10W-40 (consult specific manual for exact viscosity based on ambient temperature). 🔧 Transmission Standard Transmission Type: 4-speed manual transmission Optional Transmission Type: 5-speed manual transmission; 3-speed automatic transmission Features Clutch Type: Dry, single-plate, diaphragm spring clutch. Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 or 80W-90 gear oil (check manual for specific capacity and exact type). Automatic Transmission Fluid: Dexron II or equivalent (if applicable, check manual for exact specification and capacity). 📐 Dimensions Exterior Wheelbase: Approximately 98.2 inches (2495 mm) Length: Approximately 168.7 inches (4285 mm) Width: Approximately 65.2 inches (1655 mm) Height: Approximately 52.6 inches (1335 mm) Weights Curb Weight: Approximately 2400 - 2600 lbs (1089 - 1179 kg) depending on body style and options. Gross Vehicle Weight Rating: Typically around 3300 lbs (1497 kg) Wheels And Tires Standard Tire Size: 175SR13 or 185/70R13 (check manual for specific trim variations) Wheel Bolt Pattern: 4x110mm 🛡️ Safety Features Ratings Crash Test Data: No formal crash test ratings available from modern agencies for this era of vehicle. Safety features were basic by today's standards. Active Features Braking System Type: Front disc brakes, rear drum brakes. Passive Features Seatbelts: Lap belts and shoulder belts (as standard for the era). Steering Column: Collapsible steering column designed to absorb impact energy. Body Construction: Unitized body construction with crumple...