Manual de taller del Mazda 121 1990

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🏷️ Basic Information Identification Make: Mazda Model: 121 Year: 1990 Codes Platform Code: DA (First Generation, DB platform for later models) 👋 Introduction Market Position Market Segment: Subcompact hatchback, primarily...

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Tipo: Coches

Proveedor:

SKU: 585530

Etiquetas: 121 1990 Car Cars Mazda

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Descripción

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Year:

Codes

Platform Code:

DA (First Generation, DB platform for later models)

👋 Introduction

Market Position

Market Segment:

Subcompact hatchback, primarily positioned as an affordable and economical personal transport vehicle.

Competitive Analysis

Competitors:

Ford Fiesta, Opel Corsa (Vauxhall Nova), Volkswagen Polo, Fiat Uno, Peugeot 205, Nissan Micra.

Key Features

Distinguishing Features:

Compact dimensions for urban maneuverability, fuel efficiency, practicality, known for reliability within its class.

Target Audience

Audience:

First-time car buyers, budget-conscious individuals, city dwellers seeking an economical and easy-to-manage vehicle.

📋 Manual Details

Coverage Areas

Primary Coverage:

Workshop Manual for the 1990 Mazda 121

Page Count

Estimated Pages:

300-500 (typical for a comprehensive workshop manual of this era)

Manual Type

Type:

Service/Workshop Manual

Language

Language:

English

Format

Format:

Likely printed, or potentially available as a scanned PDF

📖 Manual Coverage

Systems Covered

Engine:

Engine mechanical systems, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling, fuel, ignition, emission control

Transmission:

Manual and Automatic transmission disassembly, assembly, adjustments, torque specifications, troubleshooting

Drivetrain:

Clutch, driveshafts, differential, axles, wheel bearings

Suspension:

Front and rear suspension components, geometry, shock absorbers, springs, bushings, alignment procedures

Brakes:

Hydraulic brake system, master cylinder, brake lines, calipers, wheel cylinders, brake pads, brake shoes, parking brake, ABS (if equipped)

Steering:

Steering gear, steering column, power steering system (if equipped), tie rods, steering linkage

Electrical:

Battery, charging system (alternator, starter), ignition system, lighting system, instrumentation, wiring diagrams, fuses, relays, common electrical fault diagnosis

Body:

Body panel removal and installation, doors, windows, interior trim, body hardware, rust repair basics

HVAC:

Heating, ventilation, and air conditioning system components, controls, refrigerant handling (basic)

Procedures Included

Maintenance:

Routine scheduled maintenance, oil changes, filter replacements, spark plug replacement, belt inspection and replacement, brake fluid flush, coolant flush

Repair:

Engine overhaul, transmission repair, suspension component replacement, brake system repairs, electrical component diagnosis and replacement

Troubleshooting:

Diagnostic procedures for common drivability issues, electrical faults, starting problems, cooling system issues

Adjustments:

Valve clearance adjustment, ignition timing adjustment, clutch adjustment, brake adjustment

Specifications:

Torque specifications, clearances, fluid capacities, diagnostic values

Technical Depth

Depth:

Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Covers disassembly, reassembly, diagnosis, and repair procedures.

📊 Manual Specifications

File Format

File Format:

If PDF: Searchable text, high-resolution scans, printable pages.

Print Quality

Print Quality:

If Printed: Clear, legible text and diagrams, durable paper stock.

Binding Type

Binding Type:

If Printed: Spiral-bound or perfect-bound for lay-flat usability in a workshop environment.

Paper Type

Paper Type:

If Printed: Coated or heavy-weight paper to withstand workshop conditions.

⚙️ Engine Specifications

Primary Engine

Engine Code Variants:

B3 (1.3L SOHC I4), E3 (1.1L SOHC I4 - common in some markets)

Performance

Displacement Liters:

1.3L (1324 cc) for the B3 engine

Horsepower Ps:

~63 PS (46 kW) at ~5500 rpm (for B3 engine)

Torque Nm:

~103 Nm (76 lb-ft) at ~3000 rpm (for B3 engine)

Fuel System

Fuel Delivery:

Carburetor (e.g., Hitachi DC type) for most 1990 models; Fuel injection (EFI) became more common in later versions or specific markets.

Engine Layout

Layout:

Inline four-cylinder (I4), front-wheel drive

Cylinder Head

Valvetrain:

Single Overhead Camshaft (SOHC)

Cooling System

Type:

Liquid-cooled, pressurized system

Lubrication System

Oil Type Recommendation:

API SG/SH or higher, SAE 10W-30 or 10W-40 (check manual for specific conditions)

🔧 Transmission

Standard

Type:

5-speed manual transmission

Optional

Type:

3-speed automatic transmission

Features

Clutch:

Single dry plate diaphragm spring type (manual transmission)

Fluid Specification

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or 80W-90 gear oil (check manual for specific capacity)

Automatic Transmission Fluid:

Dexron II or equivalent (check manual for specific capacity)

📐 Dimensions

Exterior

Length Mm:

~3800 mm (varies slightly by market and body style)

Width Mm:

~1630 mm

Height Mm:

~1370 mm

Wheelbase Mm:

~2340 mm

Weights

Curb Weight Kg:

~800-850 kg (depending on trim and transmission)

Gross Vehicle Weight Rating Kg:

~1250 kg (approximate)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

Not rated or not tested under modern standards for this era.

Active Features

Optional on some higher trims or later production runs, not standard.

Passive Features

Seatbelts:

Standard front seatbelts, potentially with pre-tensioners on later models. Rear lap belts standard.

Headrests:

Front seat headrests standard.

Construction

Body Structure:

Unibody construction with crumple zones, though less advanced than modern vehicles.

💡 Technology Features

Infotainment

Audio System:

Basic AM/FM radio with cassette player. Likely single-speaker or optional two-speaker setup.

Dashboard Features:

Analog gauges for speedometer, tachometer (optional), fuel level, coolant temperature. Warning lights for various systems.

Driver Assistance

Assist Systems:

Limited to basic driver aids like power steering (if optioned). No modern electronic driver assistance systems (e.g., cruise control, traction control) were standard or widely available.

🔧 Maintenance

Service Intervals

Oil Change Interval Km:

Every 5,000 - 7,500 km or 6 months, whichever comes first (verify with manual).

Air Filter Replacement Km:

Every 20,000 - 30,000 km or annually.

Spark Plug Replacement Km:

Every 30,000 - 40,000 km.

Timing Belt Replacement Km:

Crucial for B3/E3 engines. Recommended every 80,000 - 100,000 km or 5-7 years due to non-interference design risk (verify with manual).

Fluid Specifications

Coolant Type:

Ethylene glycol-based antifreeze, mixed 50/50 with distilled water. Check manual for specific Mazda coolant type.

Brake Fluid Type:

DOT 3 or DOT 4 (verify with manual).

Known Issues

Engine:

Carburetor adjustment issues, minor oil leaks from gaskets, timing belt wear.

Electrical:

Corrosion on electrical connectors, aging wiring harnesses, starter motor issues, alternator brush wear.

Suspension:

Worn ball joints, tie rod ends, and bushings due to age and mileage. Strut and shock absorber degradation.

Body:

Rust prone in wheel arches, sills, and door bottoms, especially in corrosive climates.

Part Numbers

Oil Filter Example:

e.g., Fram PH4386, Purolator L10050 (verify with specific engine and chassis codes).

Air Filter Example:

e.g., Fram CA4126, Wix 42530 (verify).

Spark Plug Example:

e.g., NGK BPR5ES-11 (verify exact fitment).

📚 Vehicle History

Brand Heritage

Mazda Philosophy:

Mazda's history is marked by innovation and a focus on driver engagement, even in its more economy-oriented models.

Model Evolution

First Generation:

The DA platform 121 was Mazda's entry into the global subcompact market, often developed in collaboration with Ford (related to the Ford Festiva platform).

Second Generation:

The DB platform 121 (introduced in the early 1990s) saw a redesign and became more closely aligned with Ford's European offerings, notably the Ford Fiesta.

Production

Manufacturing Locations:

Primarily manufactured in Japan and South Korea (under license by Kia as the Kia Pride).

Production Years:

First generation: 1986-1991. The 1990 model falls within the first generation (DA).

🏆 Awards & Recognition

Recognitions

Industry Awards:

While the 121 itself may not have received major awards, its platform often contributed to Ford's positive reception in the compact segment where it was also sold.

Ratings

Consumer Reports Historical:

Historically, models of this era from Mazda often received good ratings for reliability and fuel economy within their segments.