Mazda RX-7 1978 1979 1980 Workshop Service Manual for Repair

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Tipo: Car

Proveedor:

SKU: 64719

Etiquetas: 1978 1979 1980 Car Cars Mazda Misc RX-7

Variantes de producto

Descripción

The Mazda RX-7 First Generation (SA22C) is a compact sports car produced from 1978 to 1980, celebrated for its distinctive rotary engine technology, lightweight chassis, and sporty handling. This iconic model established Mazda's reputation in the performance car segment, offering a unique driving experience that set it apart from contemporaries like the Datsun Z-series and Toyota Celica. Engineered with a two-rotor Wankel engine (12A) producing approximately 100-110 horsepower, the RX-7 provided an engaging and spirited ride, making it a favorite among enthusiasts and a significant entry in automotive history. This workshop service and repair manual provides comprehensive technical guidance for the Mazda RX-7 First Generation (SA22C) models from 1978, 1979, and 1980. It covers a wide array of systems, including the rotary engine, fuel, ignition, transmission, drivetrain, suspension, steering, brakes, and electrical systems, as well as body and chassis components. The manual details routine maintenance procedures, in-depth diagnostic and troubleshooting guides, and instructions for component repair and overhaul, supported by essential specifications and data. Its purpose is to assist owners, mechanics, and technicians in effectively maintaining, repairing, and understanding this classic vehicle.

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Generation:

First Generation (SA/FB)

Codes

Chassis Code:

SA22C

👋 Introduction

Market Position

Segment:

Compact Sports Car

Target Audience:

Enthusiasts, DIY Mechanics, Restoration Specialists

Competitive Analysis

Key Competitors:

Datsun Z-series, Toyota Celica, Ford Capri, Fiat X1/9

Key Features

Distinguishing Factor:

Rotary Engine technology, lightweight chassis, sporty handling

Value Proposition:

Provides in-depth technical guidance for maintaining and repairing the iconic first-generation RX-7

📋 Manual Details

Coverage Areas

Model Years Covered:

1978, 1979, 1980

Region Specific Coverage:

General (assumed global, specific regional variations may exist)

Page Count

Total Pages:

Manual Type

Type:

Workshop Service Manual / Repair Manual

Language

Language:

English (presumed, standard for most workshop manuals)

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Rotary Engine (12A) - Theory of Operation, Disassembly, Assembly, Troubleshooting, Diagnostics, Lubrication, Cooling System

Fuel System:

Carburetion (Nikki or similar), Fuel Pump, Fuel Lines, Fuel Tank, Emission Control Systems (Air Injection, EGR)

Ignition System:

Distributor, Ignition Coils, Spark Plugs, Ignition Timing, Electronic Ignition Components

Drivetrain:

Driveshaft, Rear Axle, Differential, Wheel Bearings

Suspension:

Front Suspension (MacPherson Struts), Rear Suspension (Multi-link), Shock Absorbers, Springs, Bushings, Alignment Specifications

Steering:

Steering Gear, Steering Column, Power Steering System (if equipped), Tie Rods, Ball Joints

Brakes:

Front Disc Brakes, Rear Drum Brakes (typically), Brake Lines, Master Cylinder, Calipers, Wheel Cylinders, Parking Brake System, Brake Fluid Specifications

Electrical System:

Wiring Diagrams, Battery, Alternator, Starter Motor, Lighting System, Fuses, Relays, Gauges, Horn, Wiper System

Body And Chassis:

Body Panel Repair, Doors, Hood, Trunk, Glass, Bumpers, Interior Trim, Chassis Frame, Corrosion Protection

HVAC:

Heating System, Ventilation, Air Conditioning (if equipped), Refrigerant Type, Service Procedures

Transmission

Manual Transmission:

Removal, Installation, Disassembly, Assembly, Fluid Specifications, Troubleshooting

Automatic Transmission:

If applicable for the model years covered - Removal, Installation, Troubleshooting, Fluid Specifications

Procedures Included

Maintenance:

Oil Changes, Filter Replacements, Spark Plug Service, Fluid Top-offs, Belt Adjustments, Inspection Procedures

Diagnostics Troubleshooting:

Step-by-step diagnostic flowcharts for common problems, symptom-based troubleshooting guides

Repair Overhaul:

Detailed instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation

Specifications Data:

Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic parameters

Technical Depth

Depth:

Comprehensive, covering routine maintenance to major component overhauls and troubleshooting

📊 Manual Specifications

File Format

Format:

Searchability:

Likely text-searchable if OCR'd properly

Print Quality

Quality:

Variable (depends on original scan quality), typically clear for text and diagrams

Binding Type

Type:

N/A (Digital Download)

Paper Type

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Mazda Rotary (Wankel) Engine

Engine Code:

Rotor Displacement:

573 cc per rotor (total 1.15 liters equivalent)

Configuration:

Two-Rotor

Performance

Horsepower:

Approx. 100-110 hp (varies slightly by year and market)

Torque:

Approx. 105-115 lb-ft (varies slightly by year and market)

Fuel System

Carburetion:

Single or Twin Downdraft Carburetors (e.g., Nikki, Solex)

Fuel Type:

Unleaded Gasoline (Octane rating appropriate for performance)

Lubrication

Oil Type:

Specific Rotary Engine Oil (e.g., API SG/SH or equivalent, consult manual for exact specs and viscosity)

Cooling System

Coolant Type:

Ethylene Glycol based antifreeze/coolant mixture (50/50)

🔧 Transmission

Standard

Type:

4-Speed Manual Transmission (early models), 5-Speed Manual Transmission (later models)

Optional

Type:

3-Speed Automatic Transmission

Features

Clutch Type:

Dry Single Plate Clutch

Fluid Specifications

Manual Transmission Fluid:

API GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90, consult manual for specific viscosity and capacity)

Automatic Transmission Fluid:

Dexron II or equivalent

📐 Dimensions

Exterior

Body Style:

2-Door Coupe, 2-Door Fastback

Wheelbase:

Approx. 95.7 inches (2430 mm)

Length:

Approx. 163.0 inches (4140 mm)

Width:

Approx. 65.2 inches (1655 mm)

Height:

Approx. 50.6 inches (1285 mm)

Weights

Curb Weight:

Approx. 2200-2400 lbs (1000-1090 kg)

🛡️ Safety Features

Ratings

Crash Test Data:

Limited official data available for this era, rely on contemporary automotive reviews and general safety practices of the time.

Active Features

Brakes:

Front ventilated disc brakes, Rear drum brakes

Steering:

Recirculating ball steering (some models with power steering)

Passive Features

Seat Belts:

Three-point seat belts (front)

Construction:

Unibody construction with front and rear crumple zones (design principles of the era)

💡 Technology Features

Infotainment

Radio:

AM/FM radio, often with cassette player (optional or aftermarket)

Gauges:

Tachometer, speedometer, oil pressure, water temperature, voltmeter

Driver Assistance

Features:

Minimal by modern standards; focus on basic driver controls and feedback.

Connectivity

Features:

None (pre-dates modern connectivity)

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 3,000-5,000 miles or 6 months, consult manual for specific interval and type of oil

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on inspection

Spark Plugs Service:

Rotary engines require specific plugs, check manual for interval and type (e.g., platinum)

Fluid Specifications

Brake Fluid Type:

DOT 3 or DOT 4 (consult manual)

Coolant Capacity:

Approx. 5.5-6.0 quarts (5.2-5.7 liters), consult manual

Known Issues

Apex Seals:

Wear and failure of apex seals is a common rotary engine issue; proper maintenance and break-in procedures are critical.

Carburetor Issues:

Tuning difficulties, diaphragm wear, clogging, especially with age.

Oil Consumption:

Rotary engines naturally consume a small amount of oil for lubrication, but excessive consumption can indicate seal wear.

Chassis Corrosion:

Common for vehicles of this age, especially in rust-prone climates.

Electrical Gremlins:

Aging wiring harnesses and components can lead to intermittent electrical faults.

📚 Vehicle History

Brand Heritage

Mazda Rotary:

Mazda's pioneering and continued development of the Wankel rotary engine

Model Evolution

Rx-7 Lineage:

First generation (SA22C) introduced in 1978, established Mazda's reputation in the sports car market.

Production

Production Years:

1978-1985 (SA/FB generation)

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Automotive Press:

Praised by automotive journalists for its handling and unique rotary powertrain, contributing to Mazda's performance image.