1974 Mazda RX-3 Service and Repair Manual

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🏷️ Basic Information Identification Make: Mazda Model: RX-3 Year: 1974 Generation Generation Code: First Generation (Savy/Fa-series RX-3) Codes Chassis Codes: Savy series (e.g., Savy I, Savy II, Savy III) 👋...

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Tipo: Coches

Proveedor:

SKU: 521218

Etiquetas: 1974 Car Cars Mazda RX Models RX-3

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Descripción

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Year:

Generation

Generation Code:

First Generation (Savy/Fa-series RX-3)

Codes

Chassis Codes:

Savy series (e.g., Savy I, Savy II, Savy III)

👋 Introduction

Market Position

Target Audience:

Enthusiasts, DIY mechanics, classic car restorers, and professional workshops specializing in rotary Mazdas.

Competitive Analysis

Value Proposition:

Provides authoritative, vehicle-specific repair data, eliminating the need for guesswork and generic information, crucial for maintaining the unique rotary engine.

Key Features

Information Source:

Exact same manual used by dealership technicians, ensuring accuracy and completeness.

Ease Of Use:

Single PDF format for easy navigation, searching, and printing of specific sections.

📋 Manual Details

Coverage Areas

Coverage Type:

Complete Service and Repair

Models Covered:

All RX-3 Models (Coupe, Sedan, Wagon)

Page Count

Estimated Page Count:

High (Typically 500+ pages for factory service manuals of this era)

Manual Type

Manual Type:

Factory Service Manual (FSM) / Workshop Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Rotary Engine (12A, 13B variants), Apex seals, Rotor housing, Eccentric shaft, Oil seals, Overhaul procedures, Troubleshooting.

Fuel System:

Carburetor (e.g., Solex, Hitachi) service and adjustment, Fuel pump, Fuel filter, Fuel tank.

Ignition System:

Distributor, Spark plugs, Ignition coils, Timing adjustment, Troubleshooting.

Cooling System:

Radiator, Water pump, Thermostat, Hoses, Coolant specifications.

Lubrication System:

Oil pump, Oil filter, Oil specifications, Oil change procedures.

Emission Control:

Air injection system, EGR system (if applicable), Emission related components and diagnosis.

Transmission Manual:

Clutch service, Manual transmission overhaul, Gearbox fluid specifications, Shift linkage.

Transmission Automatic:

Automatic transmission overhaul (if applicable), Fluid type, Service procedures.

Drivetrain Rear Axle:

Differential service, Axle shaft replacement, Gear oil specifications, Driveshaft and U-joints.

Suspension Front:

MacPherson strut system, Control arms, Ball joints, Bushings, Shock absorber replacement.

Suspension Rear:

Live axle or semi-trailing arm setup, Bushings, Shock absorber replacement.

Steering:

Steering box/rack and pinion, Tie rod ends, Steering column, Power steering system (if equipped).

Brakes Front:

Disc brake system, Caliper service, Pad replacement, Rotor inspection/replacement.

Brakes Rear:

Drum brake system, Shoe replacement, Drum inspection, Wheel cylinder service.

Parking Brake:

Parking brake mechanism, Cable adjustment and replacement.

Electrical System Wiring:

Complete wiring schematics, Lighting system, Charging system (alternator/generator), Starting system (starter motor), Fuses, Relays.

Body Exterior:

Body panel removal/installation, Door mechanisms, Hood and trunk latches, Glass and window seals, Trim.

Body Interior:

Seat removal/installation, Dashboard components, Trim panels, Upholstery.

Climate Control:

Heater core service, Blower motor, Air conditioning system diagnosis and service (if equipped).

Instrumentation:

Instrument cluster diagnosis, Gauges, Warning lights.

Accessories:

Wipers, Washers, Horn, Radio, Power windows/locks (if equipped).

Procedures Included

Routine Maintenance:

Oil changes, Filter replacements, Spark plug checks, Fluid level checks, Lubrication points.

Troubleshooting:

Diagnostic charts, Symptom-based troubleshooting guides for all major systems.

Component Removal Installation:

Step-by-step instructions for removing and installing all major components.

Engine Rebuild:

Detailed procedures for rotary engine disassembly, inspection, repair, and reassembly.

Transmission Overhaul:

Complete procedures for manual and automatic transmission disassembly, inspection, and reassembly.

Brake Service:

Disc brake and drum brake component replacement and bleeding procedures.

Electrical Diagnosis:

Schematic interpretation, component testing, wiring harness repair.

Suspension And Steering Alignment:

Adjustment procedures for wheel alignment, steering system checks.

Body And Trim Repair:

Procedures for interior and exterior trim panel removal, installation, and minor repair.

Technical Depth

Depth Of Information:

Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts.

Diagnostic Capabilities:

Advanced diagnostic flowcharts and fault code interpretation (where applicable for the era).

Repair Complexity:

Covers everything from simple fluid changes to complete engine rebuilds and transmission overhauls.

📊 Manual Specifications

File Format

File Type:

Searchability:

Text-searchable (assuming OCR or native text PDF).

Print Quality

Printability:

Fully printable, allowing users to select and print specific pages or diagrams.

Image Resolution:

High enough for clear viewing and printing of diagrams and illustrations, with zoom capability.

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Mazda Rotary (Wankel)

Engine Code:

Displacement Cc:

491 cc per rotor (982 cc total displacement)

Performance

Horsepower Gross Est:

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

Torque Gross Est:

Approx. 115-125 lb-ft.

Fuel System

Carburetor Type:

Typically a two-barrel carburetor, e.g., Hitachi or Solex, specific model varies by market and emission standards.

Fuel Requirement:

Unleaded gasoline (as mandated by US regulations for 1975 onwards, 1974 may still use leaded or unleaded depending on market).

🔧 Transmission

Standard

Transmission Type Standard:

4-speed Manual Transmission

Optional

Transmission Type Optional:

3-speed Automatic Transmission (less common)

Features

Clutch Type:

Dry, single-plate clutch.

📐 Dimensions

Exterior

Wheelbase Inches:

Approx. 98.2 inches

Length Inches:

Approx. 162.6 inches

Width Inches:

Approx. 64.4 inches

Height Inches:

Approx. 50.2 inches (Coupe)

Weights

Curb Weight Lbs Est:

Approx. 2200 - 2400 lbs

🛡️ Safety Features

Ratings

Safety Ratings:

N/A (Crash test data for this era is less standardized and publicly available compared to modern vehicles).

Active Features

Active Safety Features:

Standard braking system, no advanced active safety features typical of modern vehicles.

Passive Features

Passive Safety Features:

Seat belts (lap belts likely standard, shoulder belts optional or standard depending on market), strong unibody construction for its time.

💡 Technology Features

Infotainment

Infotainment System:

Basic AM/FM radio, likely with a single speaker. Cassette player would be a rare dealer or aftermarket option.

Driver Assistance

Driver Assistance Features:

None.

Connectivity

Connectivity Features:

None.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000 miles or 3 months, whichever comes first. Check manual for specific recommendation.

Spark Plug Replacement:

Approximately every 15,000-20,000 miles, or as specified in the manual. Rotary engines use specific spark plug types.

Coolant Flush Interval:

Recommended every 24,000 miles or 2 years.

Fluid Specifications

Engine Oil Type:

API SE or SF service category oil. Viscosity grade typically 10W-30 or 10W-40, depending on ambient temperature. Consult manual for precise recommendations.

Transmission Oil Type Manual:

GL-4 gear oil, typically SAE 80W-90.

Differential Oil Type:

GL-5 gear oil, typically SAE 80W-90.

Brake Fluid Type:

DOT 3 brake fluid.

Known Issues

Rotary Engine Apex Seals:

Wear and eventual failure of apex seals is a common, albeit potentially catastrophic, issue with rotary engines, requiring engine rebuild.

Carburetor Performance:

Carburetors can become gummed up with age, leading to poor idle, stumbling, or hard starting.

Chassis Rust:

Like many cars from this era, the RX-3 can be susceptible to rust in common areas such as wheel wells, rocker panels, and floor pans.

Ignition System Reliability:

Older ignition components (coils, points if applicable) can degrade over time, affecting performance and starting.

📚 Vehicle History

Brand Heritage

Mazda Rotary Pioneering:

Mazda's commitment to the rotary engine is a defining characteristic of its history, aiming for smoother, lighter, and more compact powerplants.

Model Evolution

Rx3 Positioning:

The RX-3 (also known as Savanna in Japan) was part of Mazda's sporty lineup, following the RX-2 and preceding the RX-7, offering a balance of performance and practicality.

Body Styles:

Available as a 2-door Coupe, 4-door Sedan, and a 5-door Station Wagon, catering to different consumer needs.

Production

Production Years:

1971-1978

Manufacturing Locations:

Japan

🏆 Awards & Recognition

Recognitions

Historical Significance:

Recognized as a key model in Mazda's early adoption and popularization of rotary engine technology in passenger cars.

Motorsport Heritage:

The RX-3 chassis (Savanna) had a significant presence in Japanese touring car racing, particularly in the Fuji GC series.