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1980 Mazda RX-7 (1st gen) Service and Repair Manual
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🏷️ Basic Information Identification Make: Mazda Model: RX-7 Year: 1980 Generation: 1st Gen (SA22C) Codes Chassis Code: SA22C 👋 Introduction Market Position Original Market Segment: Affordable sports car, coupe. Competitive...
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🏷️ Basic Information
Identification
Make:
Mazda
Model:
RX-7
Year:
1980
Generation:
1st Gen (SA22C)
Codes
Chassis Code:
SA22C
👋 Introduction
Market Position
Original Market Segment:
Affordable sports car, coupe.
Competitive Analysis
Key Competitors:
Datsun Z cars (280ZX), Toyota Celica Supra, Chevrolet Camaro, Ford Mustang.
Key Features
Unique Selling Proposition:
Lightweight chassis, rear-wheel drive, innovative Wankel rotary engine, distinctive styling, and excellent handling.
Target Audience
Manual User:
Mazda RX-7 owners, automotive technicians, classic car restorers.
📋 Manual Details
Coverage Areas
Coverage Summary:
Comprehensive service and repair for all 1980 Mazda RX-7 models and all repairs A-Z.
Page Count
Estimated Page Count:
700+
Manual Type
Type:
Factory Service Manual (FSM) / Repair Manual
Language
Language:
English
Format
Format:
Printed
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Complete overhaul procedures for the Wankel rotary engine, including apex seals, rotor housing inspection, oil metering pump, and lubrication systems.
Fuel System:
Carburetor (likely Hitachi/Mikuni) adjustment, overhaul, fuel pump, fuel lines, and emissions control systems specific to the rotary engine.
Ignition System:
Ignition timing adjustment, distributor, spark plugs (dual plugs per rotor), ignition coils, and electronic control units (if applicable).
Transmission Manual:
Overhaul and repair of the 4-speed or 5-speed manual transmission, clutch service, and drive axle assembly.
Transmission Automatic:
Service and repair of the optional automatic transmission (if equipped).
Braking System:
Front disc brake overhaul, rear drum brake service, master cylinder, brake lines, parking brake adjustment, and hydraulic system bleeding.
Suspension System:
Front strut and coil spring assembly, rear leaf spring suspension, bushings, ball joints, tie rod ends, and wheel alignment specifications.
Steering System:
Rack and pinion steering gear, tie rods, steering column, and power steering system (if equipped).
Electrical System:
Wiring diagrams, starter motor, alternator, battery service, lighting system, fuses, relays, and instrument panel functions.
Cooling System:
Radiator, fan operation, water pump, thermostat, coolant specifications, and heater core service.
Body And Chassis:
Body panel alignment, door and window mechanisms, interior trim removal, bumper service, and frame inspection.
Emissions Control:
Detailed information on the Rotary's unique emissions systems, including air injection, exhaust gas recirculation (EGR), and catalytic converter operation.
Procedures Included
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements, spark plug checks, belt adjustments, and fluid level checks.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting guides for common issues, particularly related to the rotary engine's operation.
Repair Overhaul:
Step-by-step instructions for complete disassembly, repair, and reassembly of all major vehicle components and systems.
Diagnostics:
Specific diagnostic procedures for engine performance, electrical faults, and mechanical issues, utilizing factory specifications.
Adjustments:
Detailed procedures for adjusting engine idle speed, carburetor settings, clutch pedal free play, parking brake, and headlamp aim.
Wheel Alignment:
Specific alignment angles (camber, caster, toe) and adjustment procedures for the front and rear suspension.
Technical Depth
Depth:
Full dealership-level repair and maintenance procedures, suitable for both professional technicians and experienced DIY enthusiasts.
📊 Manual Specifications
File Format
Digital Format Notes:
N/A (Printed Manual)
Print Quality
Print Quality:
High-resolution print, clear diagrams and text.
Binding Type
Binding:
Professional (likely saddle-stitched or perfect bound, depending on original factory binding).
Paper Type
Paper Type:
Durable, semi-gloss paper suitable for workshop environments.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Naturally Aspirated Rotary (Wankel)
Engine Code:
12A
Displacement Cc:
1146 cc (69.9 cu in)
Rotor Design:
Two-rotor
Bore Per Rotor:
100 mm
Stroke Per Rotor:
77 mm
Performance
Horsepower Hp:
100 hp (approx.)
Torque Lb Ft:
105 lb-ft (approx.)
Fuel System
Carburetion:
Single Hitachi or Mikuni 2-barrel carburetor.
Fuel Type:
Unleaded gasoline
Lubrication
Oil System:
Integral oil cooler, oil metering pump for lubrication of apex seals.
🔧 Transmission
Standard
Transmission Type Std:
4-speed manual
Optional
Transmission Type Opt:
3-speed automatic
Features
Clutch Type:
Single dry plate, hydraulically actuated
Drive Layout:
Rear-wheel drive (RWD)
📐 Dimensions
Exterior
Length In:
163.0 in
Width In:
65.9 in
Height In:
49.4 in
Wheelbase In:
95.3 in
Weights
Curb Weight Lbs:
2420-2540 lbs (approx., depending on trim/options)
🛡️ Safety Features
Ratings
NHTSA Rating Notes:
NHTSA testing and ratings were not as standardized or comprehensive in 1980 as they are today; specific ratings are not typically available for this model year.
Active Features
Brakes:
Front ventilated disc brakes, rear drum brakes.
Steering:
Rack and pinion steering for precise control.
Passive Features
Seatbelts:
Three-point front seat belts.
Body Structure:
Reinforced chassis and safety cage construction for its era.
💡 Technology Features
Infotainment
Original Audio System:
AM/FM radio, often with an 8-track player or cassette deck as an option. Manual covers speaker replacement and basic radio diagnostics.
Driver Assistance
Cruise Control:
Optional on some models; manual details its operation and troubleshooting.
Connectivity
N A:
No modern connectivity features like Bluetooth or USB. Focus is on fundamental vehicle operation.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 3,000 miles or 3 months (refer to manual for specific recommendation).
Spark Plug Replacement:
Recommended at specific mileage intervals, often tied to tune-ups. The dual-plug design requires careful attention.
Timing Belt Replacement:
N/A (Rotary engines do not have timing belts; they utilize a timing chain or gears.
Fluid Specifications
Engine Oil Type:
API SF or SG classification, viscosity grade typically 10W-30 or 10W-40 (check manual for precise specification and oil metering injector).
Coolant Type:
Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water.
Transmission Fluid Type Manual:
API GL-4 or GL-5 gear oil, viscosity grade 75W-90 or 80W-90 (verify with manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Known Issues
Apex Seal Wear:
Premature wear of apex seals if engine is not properly maintained, overheated, or if lubrication system fails. Critical diagnostic point in the manual.
Carbon Buildup:
Carbon deposits can form in the combustion chambers and exhaust ports, affecting performance and requiring specific cleaning procedures detailed in the manual.
Oil Seals:
Potential for oil seal leaks over time, particularly around the front and rear main seals.
Carburetor Tuning:
Carburetors can be sensitive to altitude and require periodic adjustments for optimal performance and emissions.
📚 Vehicle History
Brand Heritage
Mazda Rotary Introduction:
Mazda's pioneering commitment to the Wankel rotary engine, beginning with the Mazda Cosmo.
Model Evolution
First Generation Debut:
The RX-7 (SA22C) debuted in 1978 in Japan and 1979 in North America, establishing itself as a purist's sports car.
1980 Model Year Changes:
Minor updates likely included trim refinements, and potentially minor mechanical adjustments for emissions or drivability. Specifics would be detailed in the manual.
Production
Manufacturing Location:
Japan
Production Period:
1978-1985 (First Generation)
🏆 Awards & Recognition
Recognitions
Car And Driver 10 Best:
Recognized by Car and Driver as one of the 10 Best Cars in America for 1979 and 1980.
Ratings
Sports Car International Rating:
Often cited as one of the best sports cars of its era by automotive publications.