🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: First Generation (SA22C) Codes Chassis Codes: SA22C 👋 Introduction Market Position Historical Context: The Mazda RX-7 (SA22C) represented Mazda's commitment to the rotary engine and a sporty, affordable coupe in the late 1970s and early 1980s. Competitive Analysis Competitors: Competed with vehicles like the Datsun Z-cars (280ZX), Toyota Celica Supra, and Porsche 924 in its class. Key Features Unique Selling Proposition: Unique rotary engine offering a distinct driving experience and compact, lightweight design. Manual Value Diy Benefit: Empowers DIY enthusiasts to perform maintenance and repairs, saving costs and understanding their vehicle intimately. Professional Standard: Provides the same detailed information used by professional technicians and authorized repair shops. 📋 Manual Details Coverage Areas Years Covered: 1981, 1982, 1983 Page Count Estimated Pages: Estimated 1000+ pages (based on typical factory service manuals of this era and data size) Manual Type Type: Factory Service Workshop Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: Rotary engine (12A) - rebuild, diagnostics, component breakdowns Engine Management: Fuel injection (EFI), ignition system, emission control systems Transmission: Manual transaxle, automatic transaxle - overhaul, diagnostics, fluid specifications Chassis Suspension: Front and rear suspension, steering system, wheel alignment Brakes: Front and rear brakes, brake booster, master cylinder, hydraulic system Electrical: Wiring diagrams, lighting system, starting system, charging system, accessories Body And Interior: Body repair, doors, windows, seats, instrument panel, sunroof system Climate Control: Air conditioning system, heater, ventilation Safety Systems: Seat belts, air bag sensor systems (if applicable to early models), supplemental restraint system (SRS) Procedures Included Maintenance: Preventative maintenance schedules, fluid checks and changes, filter replacements Troubleshooting: Diagnostic procedures for common and complex issues across all systems Repair: Step-by-step repair instructions for virtually all components and systems Overhaul: Detailed procedures for engine and transmission overhauls Calibration: Wheel alignment specifications and adjustment procedures Technical Depth Depth: Comprehensive: Covers everything from basic fluid changes to complete engine rebuilds and complex electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: High quality, printable from any computer and printer Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Accessibility Digital Storage: Savable on computers, iPads, hard drives, etc. File Compression: May be zipped (requires WinZip/WinRAR for unzipping) ⚙️ Engine Specifications Primary Engine Engine Type: Wankel Rotary (12A) Displacement: 1146 cc (2 x 573 cc rotors) Performance Horsepower Range: Approx. 100-135 HP (depending on market and emissions equipment) Torque Range: Approx. 107-117 lb-ft (depending on market and emissions equipment) Fuel System Fuel Delivery: Fuel Injection (EFI) for most 1981+ models; Carbureted for earlier SA22C variants and some export markets. Engine Features Rotor Housing Material: Typically cast iron or aluminum with iron inserts Maintenance Considerations Apex Seals: Critical wear item requiring specific lubrication and maintenance. Manual covers inspection and replacement. 🔧 Transmission Standard Transmission Type Std: 4-speed Manual Transaxle (early models); 5-speed Manual Transaxle (later models) Optional Transmission Type Opt: 3-speed Automatic Transaxle Features Clutch Type: Dry single-plate clutch Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 (typical, consult manual for exact spec) Automatic Transmission Fluid: Dexron II or equivalent (typical, consult manual for exact spec) 📐 Dimensions Exterior Body Styles: 2-door Coupe, 2-door Liftback (Hatchback) Wheelbase: Approx. 95.7 inches (2430 mm) Weights Curb Weight: Approx. 2400 - 2600 lbs (1089 - 1179 kg), depending on trim and equipment 🛡️ Safety Features Ratings Crash Test Availability: Limited official crash test data available for this era, but the manual covers safety system components. Active Features Braking System: Front disc brakes, Rear drum brakes (standard); Optional front and rear disc brakes on higher trims. Passive Features Seat Belts: 3-point front seat belts Chassis Design: Unit-body construction with front and rear crumple zones. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with cassette player (optional upgrades available). Driver Assistance Anti Lock Brakes: Not typically available on standard models of this era; manual will detail any ABS systems if present on specific trims. Convenience Features Power Windows: Available on higher trim levels, detailed in the manual's electrical and interior sections. Power Mirrors: Available on higher trim levels, detailed in the manual's electrical and exterior sections. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 3 months (with specific rotary oil recommendations). Consult manual for exact intervals and oil type. Spark Plug Replacement: Specific intervals for rotary engines, often tied to apex seal wear. Manual provides guidance. Timing Belt Replacement: N/A (Rotary engines do not have conventional timing belts; they utilize a chain or direct drive for the rotor shaft.) Fluid Specifications Engine Oil Type: Specific high-quality API SG or SH rated oil, often with lower viscosity for rotary engines. Consult manual for exact grade and type. (e.g., 10W-30 or 5W-30) Coolant Type: Ethylene glycol based antifreeze, typically a 50/50 mix...