1977 Mazda RX-3 Service and Repair Manual

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🏷️ Basic Information Identification Make: Mazda Model: RX-3 Year: 1977 Body Style Covered: Coupe, Sedan, Wagon Chassis Codes: S102A (Coupe), S124A (Sedan), S122A (Wagon) 👋 Introduction Market Position Target Audience:...

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Type: Car

Vendor:

Sku: 521215

Tags: 1977 Car Cars Mazda RX Models RX-3

Product variants

Description

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Year:

Body Style Covered:

Coupe, Sedan, Wagon

Chassis Codes:

S102A (Coupe), S124A (Sedan), S122A (Wagon)

👋 Introduction

Market Position

Target Audience:

RX-3 Owners, DIY Enthusiasts, Independent Repair Shops

Value Proposition:

Empowers users to perform comprehensive maintenance and repairs, saving time and money compared to dealership services.

Competitive Analysis

Advantage:

Vehicle-specific, technician-level detail not found in generic manuals.

Key Features

Organization:

All-in-one PDF, eliminating the need to flip through multiple physical books.

Portability:

Print only what's needed for use in the garage or workshop.

Durability:

Digital format prevents damage from grease, tearing, or loss of pages.

Learning Benefit:

Enhances vehicle knowledge and empowers users to understand their car better.

📋 Manual Details

Coverage Areas

Primary Coverage:

All Models & All Repairs A-Z

Scope:

Vehicle Specific, Dealership Technician Level

Page Count

Estimated Page Count:

Extensive (Specific count not provided, but described as comprehensive)

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Accessibility:

Downloadable, Printable

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Yes (Rotary engine specific)

Engine Control System:

Fuel System:

Yes (Including Fuel Service Specifications)

Emission Control:

Cooling System:

Lubrication System:

Ignition System:

Charging System:

Transmission Automatic:

Transmission Manual:

Clutch System:

Drivetrain Transfer Case:

Drivetrain Propeller Shaft:

Drivetrain Drive Shaft:

Drivetrain Differential:

Suspension Front:

Suspension Rear:

Wheel Tire Assembly:

Brake System Hydraulic:

Brake System Parking:

Steering Column Mechanism:

Steering Power Assist:

Climate Control Air Conditioning:

Safety Supplemental Restraint:

N/A (SRS not common for this era)

Safety Seat Belt System:

Security Engine Immobilizer:

N/A (Not common for this era)

Comfort Cruise Control:

Yes (If equipped)

Visibility Wiper Washer:

Access Door Lock System:

Instrumentation Meter Gauges:

Audio Visual System:

Yes (For factory installed components)

Audible Warning Horn:

Glass Windshield Mirror:

Interior Instrument Panel:

Interior Seating Systems:

Body Engine Hood:

Body Doors:

Body Exterior Trim:

Body Interior Trim:

Electrical Wiring Schematics:

Electrical Multiplex Communication:

N/A (Not applicable for this era)

Electrical Can Communication:

N/A (Not applicable for this era)

Procedures Included

Maintenance Tasks:

Yes (Routine checks, fluid changes, filter replacements)

Diagnosis Troubleshooting:

Yes (Step-by-step diagnostic procedures)

Repair Procedures:

Yes (Complete A-Z repairs)

Disassembly Assembly:

Yes (With illustrations and diagrams)

Component Rebuilding:

Yes (Including engine internals)

Wiring Repair:

Yes (Via detailed schematics)

Technical Depth

Depth Level:

Factory High Detail, Technician Level

Content Type:

Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications

📊 Manual Specifications

File Format

File Type:

Compatibility:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) & Mac

Software Requirements:

Adobe PDF Reader, Winzip (Free)

Print Quality

Printability:

High Quality, Printable

Zoom Capability:

Images can be blown up for enlarged printing

Binding Type

Binding:

Digital (PDF) - No physical binding

Paper Type

Paper Format:

Printable pages as needed - no specific paper type for the digital format

⚙️ Engine Specifications

Primary Engine

Engine Type:

Rotary (Wankel)

Rotary Designation Common:

Rotary Displacement Cc:

2 x 654cc (Total 1308cc equivalent)

Rotary Apex Seal Material Typical:

Carbon-impregnated resin or metal alloy

Performance

Horsepower Estimate SAE Gross:

Approx. 100-110 hp (for 1.2L 12A variants, varies by specific tuning)

Torque Estimate SAE Gross:

Approx. 110-120 lb-ft (for 1.2L 12A variants, varies by specific tuning)

Fuel System

Fuel Delivery:

Carbureted (Typically a two-barrel carburetor for base models, potentially dual carbs for performance variants)

Fuel Type Recommended:

Unleaded Gasoline (Octane rating as specified in the manual)

Oil Injection System:

Yes (Separate lubrication system for apex seals and oil seals)

🔧 Transmission

Standard

Transmission Type Standard:

4-speed Manual Transmission

Optional

Transmission Type Optional:

3-speed Automatic Transmission

Features

Clutch Type:

Dry single plate

Transmission Fluid Type Manual:

API GL-4 Hypoid Gear Oil (Specific viscosity to be detailed in manual)

Transmission Fluid Type Automatic:

Dexron-II or equivalent (Specific viscosity to be detailed in manual)

📐 Dimensions

Exterior

Wheelbase Coupe:

Approx. 95.5 inches (2425 mm)

Wheelbase Sedan:

Approx. 98.0 inches (2490 mm)

Wheelbase Wagon:

Approx. 98.0 inches (2490 mm)

Track Width Front:

Varies by model, detailed in manual

Track Width Rear:

Varies by model, detailed in manual

Weights

Curb Weight Estimate:

Approx. 2,100 - 2,400 lbs (Varies by body style and equipment)

Gross Vehicle Weight Rating:

Detailed in manual

🛡️ Safety Features

Ratings

Crash Test Ratings:

N/A (No standardized ratings for this era)

Active Features

Braking System:

Front Disc Brakes, Rear Drum Brakes (Standard)

Brake Booster:

Vacuum assisted (standard)

Passive Features

Seat Belts:

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

Body Construction:

Unitized body construction with front and rear crumple zones (as per contemporary design)

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM Radio, potentially with 8-track player or cassette option depending on trim/options.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual (typically every 3,000-5,000 miles or 6 months)

Air Filter Replacement:

Refer to manual (e.g., every 15,000-30,000 miles)

Spark Plug Replacement:

Refer to manual (Rotary spark plugs require specific types and intervals)

Coolant Flush Interval:

Refer to manual (typically every 2-3 years)

Fluid Specifications

Engine Oil Type:

Refer to manual (Specific viscosity and API rating for rotary engines, often requiring specific properties for oil injection)

Coolant Type:

Ethylene Glycol based antifreeze (50/50 mix with distilled water recommended)

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for precise recommendation)

Known Issues

Rotary Engine Apex Seals:

Wear and failure of apex seals are common for high-mileage rotary engines, requiring rebuilds.

Carburetor Maintenance:

Carburetors can require periodic adjustment and cleaning due to age and fuel variations.

Ignition System Components:

Distributor, ignition coils, and spark plug wires can degrade over time.

Cooling System Reliability:

Rotary engines run hotter, so maintaining the cooling system (radiator, hoses, thermostat) is critical.

📚 Vehicle History

Brand Heritage

Mazda Rotary Pioneering:

Mazda's commitment to rotary engine technology, starting with the Cosmo Sport.

Model Evolution

Rx-3 Introduction:

Introduced in 1971 as a more affordable and compact rotary sports car, following the RX-2.

Rx-3 Facelift:

Received styling updates throughout its production run, with the 1977 model representing a later iteration.

Production

Production Years:

1971-1978

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Model Specific Awards:

Not widely documented for specific awards, but appreciated for its unique rotary performance in its class.

Ratings

Consumer Reports Ratings:

N/A (Manual doesn't contain this data)

Certifications

Manual Certification:

Dealership Technician Level (as stated in product description)