Mazda RX-2 RX-3 1971-1977 Service Manual

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Distributeur:

UGS: 89109

Mots clés: 1971 1972 1973 1974 1975 1976 1977 Car Cars Mazda RX Models RX-2 RX-3

Variantes de produits

Description

This manual covers the Mazda RX-2 and RX-3 models produced between 1971 and 1977. These vehicles, featuring the pioneering Mazda rotary (Wankel) engine, specifically the 12A variant, were instrumental in establishing Mazda's reputation for innovative engineering and performance. Available in Coupe, Sedan, and Wagon body styles with chassis codes such as S102A, S124A, S108A, and S118A, these cars offered a unique driving experience powered by engines typically producing around 110-125 horsepower. Their lightweight construction and advanced rotary technology for the era made them stand out in the automotive landscape, appealing to enthusiasts and those seeking a distinct performance machine. This comprehensive full service repair manual provides extensive coverage for all repairs, from A-Z, for the Mazda RX-2 and RX-3. It details maintenance procedures, troubleshooting guides, technical specifications, and safety guidelines essential for the upkeep of these rotary-powered classics. The manual covers all major systems including the rotary engine, transmission, chassis, and electrical systems, offering factory-level detail and full rebuild procedures. This resource is invaluable for DIY enthusiasts, professional mechanics, and Mazda aficionados aiming to maintain, diagnose, and repair their vehicles with precision and confidence.

🏷️ Basic Information

Identification

Make:

Mazda

Model:

RX-2 / RX-3

Model Years Covered:

1971-1977

Codes

Chassis Codes:

S102A (RX-2 Coupe), S124A (RX-2 Sedan), S108A (RX-3 Coupe), S118A (RX-3 Sedan/Wagon)

👋 Introduction

Market Position

Target Audience:

DIY enthusiasts, professional mechanics, Mazda enthusiasts seeking in-depth knowledge of these rotary-powered classics.

Competitive Analysis

Value Proposition:

Provides the same factory-level information used by dealership technicians, enabling comprehensive self-service and repair, saving significant costs.

Key Features

Manual Advantages:

Instant download, searchable PDF, printable pages, high-quality diagrams, specific to the vehicle, covers all repairs.

📋 Manual Details

Coverage Areas

Coverage Scope:

All models and all repairs A-Z

Page Count

Page Count:

Not specified, but described as comprehensive and containing everything needed.

Manual Type

Manual Type:

Complete Official Full Service Repair Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine Systems:

Rotary engine (12A) internal components, lubrication, cooling, fuel injection/carburetion, ignition system, exhaust system

Transmission Systems:

Manual transmission (4-speed and 5-speed), clutch, driveshafts, differentials

Chassis Systems:

Suspension (front and rear), steering, braking system (drum and disc), wheels and tires

Electrical Systems:

Wiring diagrams, lighting, instrumentation, starting and charging system, fuses, relays, accessories

Body And Interior:

Body panels, doors, windows, seats, trim, climate control (heater, ventilation)

Procedures Included

Repair Procedures:

Step-by-step repair instructions for all major and minor components

Maintenance Procedures:

Routine maintenance, fluid changes, lubrication, inspections, adjustments

Troubleshooting:

Diagnostic procedures for common and uncommon issues, fault finding guides

Technical Data:

Specifications, measurements, clearances, torque values, tolerances

Technical Depth

Depth Of Coverage:

Factory level detail, comprehensive diagnostic information, full rebuild procedures

📊 Manual Specifications

File Format

Print Quality:

Full printable, zoom in/out capabilities for detailed viewing of diagrams and text

Binding Type

Binding Type:

Digital (PDF Download)

Paper Type

Paper Type:

N/A (Digital file, printable on demand)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Rotary (Wankel)

Engine Code:

Performance

Horsepower Range:

Approx. 110-125 hp (depending on market and specific model/carburetion)

Torque Range:

Approx. 115-125 lb-ft (depending on market and specific model/carburetion)

Fuel System

Fuel Delivery:

Carburetor (e.g., Hitachi, Nikki) or early fuel injection systems (less common)

Fuel Type:

Unleaded gasoline (may require specific octane ratings as per manual)

🔧 Transmission

Standard

Transmission Type:

4-speed manual (standard on many models)

Optional

Optional Transmission:

5-speed manual (available on some higher trims/models); 3-speed automatic (available on some models)

Features

Clutch Type:

Single dry plate

📐 Dimensions

Exterior

Body Styles:

Coupe, Sedan, Wagon

Wheelbase Range:

Approximately 95.5 inches (2425 mm)

Weights

Curb Weight Range:

Approximately 2100-2500 lbs (950-1135 kg) depending on body style and equipment.

🛡️ Safety Features

Ratings

Safety Features Era:

Basic safety features for the era; dual-circuit hydraulic brakes, seat belts, padded dashboard, collapsible steering column.

Active Features

Braking System:

Front disc brakes (standard on most RX-2/RX-3, though early models/trims might have had all-drum), rear drum brakes. Dual-circuit hydraulic system.

Passive Features

Restraint Systems:

Lap and shoulder belts (front), lap belts (rear). Body-structure integrity typical for the era.

💡 Technology Features

Infotainment

Infotainment Era:

Basic for the era: AM/FM radio (optional), analogue gauges.

Driver Assistance

Driver Assistance Features:

None beyond standard braking and steering systems.

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months. Specific interval to be confirmed in manual.

Spark Plug Service:

Requires specific pre-mixed oil for lubrication of apex seals; interval for apex seal inspection/replacement is critical and detailed in the manual.

Fluid Specifications

Engine Oil Type:

Specific rotary engine oil or a high-quality mineral/synthetic oil meeting Mazda's specifications for the 12A engine. Crucially, requires oil injection into the fuel or intake tract for apex seal lubrication. Manual will specify viscosity and type.

Transmission Fluid Type:

Manual transmission fluid (MTF) or gear oil, viscosity to be specified in the manual (e.g., GL-4).

Coolant Type:

Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Specifics in manual.

Known Issues

Rotary Apex Seals:

Wear or failure of apex seals is a common issue in high-mileage rotary engines, leading to compression loss. Manual provides diagnosis and rebuild procedures.

Carburetor Issues:

Carburetor wear, clogging, or tuning issues can affect performance and fuel economy. Manual details carburetor overhaul and adjustment.

Oil Injection System:

Blockage or failure of the oil injection system can lead to rapid apex seal wear. Manual covers diagnosis and repair of this critical system.

📚 Vehicle History

Brand Heritage

Mazda Rotary Pioneer:

These models were crucial in establishing Mazda as a pioneer and innovator in rotary engine technology for mass production vehicles.

Model Evolution

Development Context:

Evolved from earlier rotary Mazda models (like the R100) and paved the way for the iconic RX-7.

Production

Production Period:

1971-1977 marked the production lifespan of the RX-2 and RX-3 models globally.

🏆 Awards & Recognition

Recognitions

Rotary Engine Recognition:

The Mazda rotary engine itself received significant acclaim for its smooth operation, high power-to-weight ratio, and unique engineering, making the RX-2 and RX-3 notable for their performance.