🏷️ Basic Information

Make:

Mazda

Model:

RX-7

Model Code:

SA22C

Generation:

First Generation (SA22C)

Year:

1980

👋 Introduction

Positioning:

The Mazda RX-7 (SA22C) was a groundbreaking sports car, pioneering the affordable rotary engine in a stylish, compact package. It competed against established sports coupes and offered a unique driving experience.

Competitors:

Primarily competed with models like the Datsun 240Z/260Z/280Z, Toyota Celica, and other sporty coupes of the era.

Distinguishing Factors:

Unique rotary engine, lightweight construction, balanced chassis, distinctive styling, and spirited performance.

📋 Manual Details

Manual Type:

Workshop Manual / Repair Manual / Service Manual

Language:

English

Format:

PDF

Delivery Method:

Instant Download

Compatibility:

Windows / macOS

📖 Manual Coverage

Engine:

Comprehensive coverage including rotary engine (12A) specifics, disassembly, assembly, troubleshooting, and component checks.

Lubrication System:

Detailed procedures for oil pump, oil filter, oil passages, oil pressure testing, and fluid specifications.

Cooling System:

Radiator, water pump, thermostat, coolant flow, hose routing, pressure testing, and component replacement.

Fuel And Emission Control System:

Carburetion (likely Hitachi DCZ or similar), fuel pump, fuel lines, emission control devices (e.g., air pump, catalytic converter), and tuning procedures.

Engine Electrical System:

Ignition system (distributor, coils, spark plugs, timing), starter motor, alternator, wiring diagrams, diagnostic procedures, and component testing.

Clutch:

Clutch disc, pressure plate, release bearing, hydraulic system, adjustment, and replacement procedures.

Manual Transmission:

Gearbox disassembly, assembly, gear selection, shifting mechanisms, lubrication, and troubleshooting for the 5-speed transmission.

Front Rear Axle:

Rear axle assembly, differential lubrication, bearing checks, and general axle maintenance.

Steering System:

Steering gear (likely recirculating ball), steering linkage, power steering (if equipped), tie rods, wheel alignment specifications, and troubleshooting.

Braking System:

Front disc brakes, rear drum brakes (or disc depending on trim), brake fluid specifications, hydraulic system, caliper/wheel cylinder overhaul, brake pad/shoe replacement, bleeding procedures, and parking brake.

Suspension:

Front independent suspension (likely MacPherson struts), rear live axle with four links, shock absorbers, springs, bushings, and alignment specifications.

Body:

Body panel removal/installation, chassis structure, doors, hood, trunk, interior trim, glass, and adjustment procedures.

Body Electrical System:

Headlights, taillights, turn signals, interior lighting, horn, wipers, power windows (if equipped), dashboard instruments, and comprehensive wiring diagrams.

Heating And Air Conditioning Systems:

HVAC system components, heater core, A/C compressor, refrigerant, controls, and troubleshooting.

Technical Data:

Specifications for all systems, torque values, clearances, tolerances, and diagnostic data.

Special Tools:

Identification and usage of specialized tools required for various repair and maintenance procedures.

Maintenance:

Scheduled maintenance tasks, fluid changes, filter replacements, inspection points, and lubrication.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and complex problems across all vehicle systems.

Repair Rebuild:

Step-by-step instructions for disassembly, cleaning, inspection, repair, and reassembly of major components and systems.

Adjustment:

Procedures for adjusting clutch, brakes, ignition timing, carburetor idle speed, and other critical settings.

Installation:

Guidance on installation of replacement parts and accessories.

Depth:

Comprehensive, covering everything from basic fluid checks and adjustments to complete engine rebuilds and electrical system diagnostics. Ideal for DIY enthusiasts and professional mechanics.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text content within the PDF, allowing for quick information retrieval.

Print Quality:

Assumed to be high quality, suitable for printing specific sections or the entire manual.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Coverage:

Complete workshop and service manual for the 1980 Mazda RX-7.

⚙️ Engine Specifications

Engine Type:

Mazda Wankel Rotary

Engine Code:

12A

Displacement:

1146 cc (69.9 cu in) (equivalent to approx. 2.2L reciprocating engine displacement due to rotary design)

Horsepower:

Approx. 100-110 hp (depending on market and emissions equipment)

Torque:

Approx. 106-115 lb-ft (depending on market and emissions equipment)

Carburetor:

Typically a twin-choke Hitachi DCZ or similar downdraft carburetor. Later models may have seen fuel injection.

Fuel Requirement:

Unleaded gasoline (Octane rating as per manufacturer recommendation, typically 91 RON or higher)

Oil Type Recommendation:

Specific rotary engine oil, often a blend of mineral and synthetic, with adherence to API Service SE or SF classification. Consult manual for exact API rating and viscosity.

Spark Plugs:

Typically two spark plugs per rotor housing (four total). Specific plug types and gap settings will be detailed in the manual.

Apex Seals:

Critical wear components of the rotary engine; manual will detail inspection and replacement procedures.

🔧 Transmission

Transmission Type:

5-speed manual transmission

Automatic Transmission:

A 3-speed automatic transmission was optionally available.

Clutch Type:

Single dry plate, hydraulically actuated.

Transmission Fluid Type:

Manual Transmission Fluid (MTF) with specifications detailed in the manual (e.g., SAE 75W-90 or similar GL-4 rated fluid).

📐 Dimensions

Length:

Approx. 160.8 inches (4085 mm)

Width:

Approx. 65.0 inches (1651 mm)

Height:

Approx. 49.6 inches (1260 mm)

Wheelbase:

Approx. 95.7 inches (2430 mm)

Curb Weight:

Approx. 2300-2400 lbs (1043-1089 kg)

🛡️ Safety Features

Crash Test Data:

Limited official crash test data available for this era, but designed with a robust unibody structure for its time.

Braking System Type:

Front ventilated disc brakes, rear drum brakes (or disc on some higher trims/later years).

Seat Belts:

Three-point inertia reel seat belts

Steering Column:

Collapsible steering column

💡 Technology Features

Audio System:

Basic AM/FM radio with optional cassette player. Typically 2 or 4 speakers.

ABS:

Anti-lock Braking System (ABS) was not commonly available or standard on the 1980 model.

Bluetooth Usb:

Not applicable to this era of vehicle.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months, but the manual will provide the definitive recommendation for the 1980 model.

Spark Plug Replacement:

Refer to manual for mileage intervals, often around 15,000-30,000 miles, depending on plug type and operating conditions.

Timing Belt Chain:

Rotary engines do not have a timing belt or chain; they use a rotor and eccentric shaft system.

Engine Oil Capacity:

Refer to manual, typically around 5-6 US quarts (4.7-5.7 liters) for the 12A engine.

Coolant Type:

Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio). Manual will specify capacity.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid. Consult manual for exact specification and capacity.

Power Steering Fluid:

If equipped, ATF (Automatic Transmission Fluid) or specific power steering fluid as per manual.

Apex Seal Wear:

Common issue with older rotary engines if not properly maintained. Manual covers diagnosis.

Carburetor Tuning:

Carburetors can require regular adjustment for optimal performance and emissions. Manual provides tuning guidance.

Cooling System Maintenance:

Importance of clean coolant and functional thermostat for rotary engine longevity. Manual details checks.

Ignition System Maintenance:

Importance of correct spark plug selection and ignition timing. Manual guides diagnostics.

📚 Vehicle History

Mazda Rotary Pioneering:

Mazda's commitment to the rotary engine, starting with the Cosmo Sport, culminated in the RX-7, making it a specialist in unique engine technology.

First Generation Sa22C:

The SA22C generation ran from 1978 to 1985 (with the 1980 model being an early and significant iteration). It established the RX-7's reputation for handling and performance.

Manufacturing Location:

Japan

🏆 Awards & Recognition

Automotive Journalism:

The RX-7 was often praised by automotive journalists for its driving dynamics, unique engine, and affordability in the sports car market.

Performance Handling:

Consistently rated highly for its agile handling and responsive steering, contributing to its enthusiast following.