Mazda RX-2 RX-3 1971 1972 1973 1974 1975 1976 1977 Service r

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🏷️ Basic Information Identification Make: Mazda Model: RX-2/RX-3 Model Lineup: Mazda RX-2, Mazda RX-3 Generation: First Generation (RX-2: 1970-1978, RX-3: 1971-1978) Years Covered: 1971, 1972, 1973, 1974, 1975, 1976, 1977 👋 Introduction Market Position Target Audience: Enthusiasts, DIY mechanics, classic car restorers, professional workshops specializing in rotary Mazdas. Competitive Analysis Value Proposition: Provides crucial technical data for maintaining and repairing these iconic rotary-powered vehicles, often scarce in printed form. Key Features Diagrams Illustrations: Features numerous diagrams, schematics, and illustrations for clarity in assembly, disassembly, and repair. Technical Drawings: Includes detailed technical drawings of engine components, chassis parts, and electrical systems. Troubleshooting Charts: Detailed troubleshooting charts to help diagnose and resolve common and uncommon problems. 📋 Manual Details Coverage Areas Primary Markets: North America, Japan, Australia, Europe (general) Page Count Estimated Page Count: Varies by edition, but typically comprehensive, likely 500+ pages Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Rotary engine (Wankel), cooling system, lubrication system, fuel system, exhaust system Drivetrain: Transmission (manual and automatic), clutch, driveshaft, differential, axles Chassis: Suspension (front and rear), steering system, braking system, wheels and tires Electrical: Ignition system, charging system, starting system, lighting, instrumentation, accessories, wiring diagrams Body And Trim: Body panels, doors, windows, interior trim, bumpers, exterior trim Heating And Cooling: HVAC system (if equipped), heater core, A/C system (if equipped) Procedures Included Maintenance: Routine maintenance checks, oil changes, filter replacements, lubrication, fluid level checks Repair Diagnostics: Troubleshooting guides for common issues, diagnostic procedures for engine, transmission, and electrical systems Component Rebuilds: Detailed instructions for disassembly, cleaning, inspection, and reassembly of major components (engine, transmission, brakes, etc.) Adjustments: Carburetor adjustments, ignition timing, clutch adjustment, brake adjustments Installation Replacement: Procedures for replacing various parts and components Body Repair: Information...

Type: Car

Säljare:

Sku: 426614

Collections: ALL Mazda

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

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Description

🏷️ Basic Information

Identification

Make:

Mazda

Model:

RX-2/RX-3

Model Lineup:

Mazda RX-2, Mazda RX-3

Generation:

First Generation (RX-2: 1970-1978, RX-3: 1971-1978)

Years Covered:

1971, 1972, 1973, 1974, 1975, 1976, 1977

👋 Introduction

Market Position

Target Audience:

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

Competitive Analysis

Value Proposition:

Provides crucial technical data for maintaining and repairing these iconic rotary-powered vehicles, often scarce in printed form.

Key Features

Diagrams Illustrations:

Features numerous diagrams, schematics, and illustrations for clarity in assembly, disassembly, and repair.

Technical Drawings:

Includes detailed technical drawings of engine components, chassis parts, and electrical systems.

Troubleshooting Charts:

Detailed troubleshooting charts to help diagnose and resolve common and uncommon problems.

📋 Manual Details

Coverage Areas

Primary Markets:

North America, Japan, Australia, Europe (general)

Page Count

Estimated Page Count:

Varies by edition, but typically comprehensive, likely 500+ pages

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Powertrain:

Rotary engine (Wankel), cooling system, lubrication system, fuel system, exhaust system

Drivetrain:

Transmission (manual and automatic), clutch, driveshaft, differential, axles

Chassis:

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

Electrical:

Ignition system, charging system, starting system, lighting, instrumentation, accessories, wiring diagrams

Body And Trim:

Body panels, doors, windows, interior trim, bumpers, exterior trim

Heating And Cooling:

HVAC system (if equipped), heater core, A/C system (if equipped)

Procedures Included

Maintenance:

Routine maintenance checks, oil changes, filter replacements, lubrication, fluid level checks

Repair Diagnostics:

Troubleshooting guides for common issues, diagnostic procedures for engine, transmission, and electrical systems

Component Rebuilds:

Detailed instructions for disassembly, cleaning, inspection, and reassembly of major components (engine, transmission, brakes, etc.)

Adjustments:

Carburetor adjustments, ignition timing, clutch adjustment, brake adjustments

Installation Replacement:

Procedures for replacing various parts and components

Body Repair:

Information on collision repair, panel replacement, rust repair techniques (general)

Technical Depth

Depth:

Comprehensive, covering all aspects from basic maintenance to complete engine and transmission overhauls. Includes detailed diagrams and specifications.

📊 Manual Specifications

File Format

File Format:

Print Quality

Printability:

Printable sections allowing for on-demand printing of specific procedures.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Searchability

Text Search:

Likely text-searchable PDF for efficient information retrieval.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Mazda Rotary (Wankel)

Engine Codes Rx2:

12A (e.g., 12A 13B for some later RX-2 variants, though 12A is primary for early models)

Engine Codes Rx3:

12A (common), 13B (optional in some later models and performance variants)

Performance

Displacement 12A:

1.164L (1164 cc) or 1146 cc depending on specific version and measurement (equivalent to ~2.0L piston displacement)

Displacement 13B:

1.308L (1308 cc) (equivalent to ~2.3L piston displacement)

Horsepower 12A:

Approximately 100-120 hp depending on year and emissions controls.

Horsepower 13B:

Approximately 130-140 hp for naturally aspirated variants.

Torque 12A:

Approximately 100-115 lb-ft depending on year.

Fuel System

Fuel Delivery 12A:

Dual downdraft carburetors (e.g., Hitachi, Solex, Mikuni)

Fuel Delivery 13B:

Dual downdraft carburetors or fuel injection in later models/variants.

🔧 Transmission

Standard

Manual Transmission:

4-speed manual, 5-speed manual (later models)

Optional

Automatic Transmission:

3-speed automatic (less common, typically for RX-2)

Features

Clutch Type:

Dry single plate, hydraulically actuated

📐 Dimensions

Exterior

Body Styles:

RX-2: Coupe, Sedan. RX-3: Coupe, Sedan, Station Wagon.

Weights

Curb Weight Rx2 Coupe:

Approx. 2,300 - 2,500 lbs (1043 - 1134 kg)

Curb Weight Rx3 Coupe:

Approx. 2,350 - 2,600 lbs (1066 - 1179 kg)

🛡️ Safety Features

Ratings

Crash Test Data:

Limited official crash test data available for this era; emphasis on structural integrity and occupant protection based on contemporary standards.

Active Features

Braking System:

Front disc brakes, rear drum brakes (standard). Some performance variants may have 4-wheel discs.

Passive Features

Seat Belts:

Standard front seat belts; rear seat belts often optional or standard depending on market and year.

💡 Technology Features

Infotainment

Audio System:

AM/FM radio, often with an 8-track player or cassette adapter provisions as aftermarket additions.

Driver Assistance

Anti-lock Braking System (ABS) was not a standard feature and likely unavailable on most models during these years.

Connectivity

Electronics:

Basic automotive electrical systems of the era, focusing on function rather than advanced integration.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000 miles (4,800 km) or 6 months, whichever comes first. Rotary engines are sensitive to oil quality and contamination.

Spark Plug Replacement:

Refer to manual; often related to mileage or specific symptoms. Rotary plugs require specific types and heat ranges.

Apex Seal Inspection:

No fixed interval, but symptoms of wear (loss of compression, starting issues) require diagnosis. Apex seal replacement is a major engine overhaul.

Fluid Specifications

Engine Oil Type:

API SF or SG rated, SAE 10W-30 or 10W-40 is commonly recommended. Consult manual for specific viscosity and API rating for the year.

Engine Oil Capacity 12A:

Approximately 4.5 quarts (4.25 liters) including filter.

Transmission Fluid:

Manual: GL-4 rated gear oil, SAE 75W-90 or 80W-90. Automatic: DEXRON II or equivalent.

Coolant Type:

Ethylene glycol-based antifreeze mixture (50/50 with distilled water).

Known Issues

Apex Seals:

Wear or failure of apex seals leading to loss of compression is a common issue in high-mileage or poorly maintained rotary engines.

Carburetor Issues:

Carburetors can become gummed up, leading to poor idling, hesitation, or starting problems. Rebuilds or adjustments are often needed.

Chassis Rust:

As with many cars of this era, rust can be a significant issue, particularly in areas exposed to salt and moisture.

Oil Consumption:

Rotary engines naturally consume some oil for lubrication of the rotor housing and apex seals; however, excessive consumption indicates a problem.

📚 Vehicle History

Brand Heritage

Rotary Pioneering:

Mazda was a pioneer in mass-producing rotary-engine vehicles, with the RX series being the flagship.

Model Evolution

Rx2 Launch:

Launched in 1970 in Japan as the R100 (coupe) and Capella Rotary. The 'RX-2' name was primarily used for export markets.

Rx3 Launch:

Launched in 1971 as the Savanna Rotary. 'RX-3' name used for export markets. Offered in more body styles than the RX-2.

Production

Manufacturing Location:

Japan

Key Distinction:

RX-2 was often perceived as a sportier, more upscale variant of the Capella platform, while the RX-3 (Savanna) was positioned as a sport compact.

🏆 Awards & Recognition

Recognitions

Rotary Impact:

While specific awards for these models are less common, their innovation in rotary engine technology and sporty handling contributed to Mazda's growing reputation.

Ratings

Contemporary Reviews:

Often praised for their unique engine, nimble handling, and distinctive styling, though sometimes criticized for fuel economy and emissions compared to piston engines.