1978 Mazda RX-2 Service And Repair Manual

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🏷️ Basic Information Identification Make: Mazda Model: RX-2 Year: 1978 Codes Chassis Code: S124A (Coupe/Sedan), S132A (Coupe/Sedan) Engine Code: 12A 👋 Introduction Market Position Target Audience: RX-2 owners, DIY mechanics,...

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类型: Car

斯库: 519818

标签: 1978 Car Cars Mazda RX Models RX-2

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Description

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Year:

Codes

Chassis Code:

S124A (Coupe/Sedan), S132A (Coupe/Sedan)

Engine Code:

👋 Introduction

Market Position

Target Audience:

RX-2 owners, DIY mechanics, automotive enthusiasts, repair shops.

Value Proposition:

Comprehensive, accurate, factory-level repair information for cost-effective maintenance and repair.

Competitive Analysis

Differentiation:

Directly sourced factory manual, offering specific details beyond generic guides.

Key Features

Digital Convenience:

Single, easy-to-use PDF; print only needed pages; no greasy pages.

Diagnostic Tools:

Includes wiring schematics and diagnostic procedures essential for Wankel engine troubleshooting.

📋 Manual Details

Coverage Areas

Primary Coverage:

1978 Mazda RX-2 (All Models & All Repairs A-Z)

Additional Coverage:

Technician level repair, maintenance, diagnosis, and service.

Page Count

Estimated Page Count:

Varies (Digital PDF, printable sections)

Manual Type

Type:

Factory Service and Repair Manual

Language

Language:

English

Format

Digital Format:

Accessibility:

Compatible with Windows and Mac

Software Requirements:

Adobe PDF Reader, Winzip

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, rebuild procedures, component testing, lubrication, seals, gaskets.

Engine Control:

Ignition system, starting and charging systems, fuel system operation and diagnosis.

Emission Control:

Emission control systems, diagnosis and adjustment procedures.

Cooling System:

Radiator, thermostat, water pump, hoses, coolant specifications.

Fuel Service:

Fuel tank, fuel pump, fuel lines, carburetor specifications and service.

Transmission:

Manual transmission (gearbox) overhaul, clutch service, operation; Automatic transmission service, fluid specifications.

Drivetrain:

Drive shafts, universal joints, differential, axle service and specifications.

Suspension:

Front and rear suspension components, alignment specifications, shock absorbers.

Brakes:

Brake system diagnosis, hydraulic components, disc/drum brake service, parking brake.

Steering:

Steering column, steering gear, power steering system diagnosis and repair.

Electrical:

Complete wiring schematics, lighting systems, instrument cluster, accessories.

Body Interior:

Doors, windows, seats, interior trim, dashboard, engine hood, exterior panels.

HVAC:

Air conditioning system diagnosis and service, heater core.

Restraint Systems:

Seat belts, supplemental restraint systems (if applicable to specific trims/models).

Procedures Included

Maintenance Procedures:

Scheduled maintenance, fluid changes, filter replacements, tune-ups.

Diagnostic Procedures:

Troubleshooting guides, symptom-based diagnostics, electrical fault finding.

Repair Procedures:

Detailed step-by-step instructions for component removal, installation, and repair.

Rebuild Procedures:

Complete engine and transmission rebuild instructions.

Adjustment Procedures:

Carburetor adjustments, ignition timing, brake adjustments.

Wiring Schematics:

Comprehensive electrical diagrams for all vehicle systems.

Technical Depth

Depth:

Factory-level, comprehensive coverage for all repairs and maintenance.

Detail Level:

Step-by-step instructions, detailed diagrams, illustrations, and specifications.

Uniqueness:

Specific to the 1978 Mazda RX-2, not generic information.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable text within PDF.

Print Quality

Printability:

All pages printable.

Image Enhancement:

Images can be blown up and printed enlarged.

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Rotary (Wankel)

Engine Code:

Displacement:

2x 300cc (rotor displacement, often referred to as 1.2L or 1146cc actual displacement)

Performance

Horsepower:

Approx. 125-130 hp (depending on specific market and tune)

Torque:

Approx. 130-135 lb-ft

Fuel System

Fuel Delivery:

Two-barrel carburetor (e.g., Hitachi, Nikki)

Fuel Type:

Unleaded gasoline (87 octane or higher recommended, check manual for specific octane rating)

Lubrication

Oil Type:

Wankel specific engine oil (e.g., SAE 10W-30 or 10W-40, refer to manual for exact spec).

Oil Capacity:

Approx. 4.5-5.0 quarts (including oil cooler if equipped).

Ignition

Ignition System:

Distributor-based ignition system with single ignition coil or dual coil system.

Spark Plugs:

Specific long-reach spark plugs for rotary engines (e.g., NGK).

🔧 Transmission

Standard

Transmission Type Standard:

4-speed manual transmission

Optional

Transmission Type Optional:

3-speed automatic transmission

Features

Clutch Type:

Dry single plate clutch

Transmission Fluid Manual:

GL-4 or GL-5 gear oil (e.g., SAE 75W-90 or 80W-90, consult manual for precise specification).

Transmission Fluid Automatic:

Dexron II or equivalent automatic transmission fluid (ATF).

📐 Dimensions

Exterior

Body Styles:

2-door Coupe, 4-door Sedan

Wheelbase:

Approx. 98.0 inches (2489 mm)

Length:

Approx. 168.7 inches (4285 mm)

Width:

Approx. 64.8 inches (1646 mm)

Height:

Approx. 51.8 inches (1316 mm) for Coupe, 53.5 inches (1359 mm) for Sedan

Weights

Curb Weight:

Approx. 2300-2500 lbs (1043-1134 kg) depending on body style and equipment.

Gross Vehicle Weight Rating:

Consult manual for specific GVWR.

🛡️ Safety Features

Ratings

Safety Ratings Era:

Safety standards of the late 1970s.

Active Features

Braking System:

Front disc brakes, rear drum brakes.

Steering Features:

Recirculating ball steering mechanism, optional power steering.

Passive Features

Seatbelts:

Lap and shoulder belts (front), lap belts (rear).

Body Construction:

Unitized body construction with energy-absorbing crumple zones.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM radio, potentially with an 8-track player or cassette player in later models/options. Manual covers audio system components.

Driver Assistance

Driver Assistance:

None in the modern sense; basic safety features inherent to the vehicle design.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000 miles or 3 months, but consult manual for exact recommendation.

Tune Up Interval:

Check manual; typically involves spark plug inspection/replacement and carburetor adjustment.

Timing Belt Chain:

N/A (Rotary engines do not have timing belts or chains; they use a timing system driven by the eccentric shaft).

Fluid Specifications

Coolant Type:

Ethylene glycol based antifreeze (50/50 mix with water is standard).

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid:

ATF (Automatic Transmission Fluid) if power steering is equipped.

Known Issues

Apex Seals:

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

Carburetor Issues:

Carburetor can be sensitive to adjustments and require periodic cleaning/rebuilding due to age and fuel quality.

Oil Consumption:

Rotary engines inherently consume a small amount of oil as part of their lubrication system; monitoring oil level is crucial.

Cooling System Maintenance:

Proper cooling system maintenance is vital to prevent overheating, which can exacerbate rotary engine wear.

📚 Vehicle History

Brand Heritage

Brand History Context:

Mazda's pioneering efforts in rotary engine technology, building on the success of the RX-7.

Model Evolution

Rx Series Lineage:

Preceded the RX-7, demonstrating Mazda's commitment to rotary power in a sportier sedan and coupe package.

Design Influence:

Featured a stylish, coupe-like design for its era, offering an alternative to conventional piston-engine sports cars.

Production

Production Years:

1975-1980 (RX-2, also known as Capella Rotary in some markets).

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Historical Awards:

Mazda's rotary engines were recognized for their unique performance and engineering innovation in this era.

Ratings

Performance Ratings:

Praised for its smooth power delivery and distinctive engine note.

Certifications

Emissions Certification:

Manual details specific emission control procedures to meet 1978 standards.