1990 Mazda Protege Complete Workshop Manual

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🏷️ Basic Information Identification Make: Mazda Model: Protege Year: 1990 Product Name: 1990 Mazda Protege Complete Workshop Manual Codes Platform Code: BG 👋 Introduction Market Position Segment: Compact sedan/hatchback, positioned...

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Type: Car

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Sku: 519839

Tags: 1990 Car Cars Mazda Misc Protege

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Description

🏷️ Basic Information

Identification

Make:

Mazda

Model:

Protege

Year:

Product Name:

1990 Mazda Protege Complete Workshop Manual

Codes

Platform Code:

👋 Introduction

Market Position

Segment:

Compact sedan/hatchback, positioned as a reliable and affordable option

Competitive Analysis

Competitors:

Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort

Key Features

Design:

Sporty styling for its era, driver-focused interior

Handling:

Well-regarded handling characteristics due to its independent rear suspension

Manual Value

Accuracy:

Directly from dealership technicians, ensuring accuracy and model-specificity

Completeness:

Covers all aspects of maintenance and repair, unlike generic guides

📋 Manual Details

Coverage Areas

Coverage:

All models and all repairs A-Z

Page Count

Estimated Pages:

Estimated 1500-2500 pages (typical for complete workshop manuals of this era)

Manual Type

Type:

Complete Workshop Manual / Service Manual

Language

Language:

English

Format

Format:

Likely printed book or high-quality PDF

📖 Manual Coverage

Systems Covered

Engine:

Detailed diagnostics, repair, overhaul, component testing for all gasoline engines including 1.6L (B6) and 1.8L (BP)

Fuel System:

Fuel injection systems (EFI), fuel pump, injectors, fuel pressure regulator, evaporative emissions control (EVAP)

Ignition System:

Ignition timing, coil packs, spark plugs, distributor (if applicable), electronic ignition control

Transmission:

Manual transmission (FS5W71C), automatic transmission (e.g., JATCO F4A-EL) service, overhaul, diagnostics, fluid specifications

Drivetrain:

Front-wheel drive (FWD) system, CV joints, drive axles, differential

Suspension:

Front strut suspension, rear multi-link independent suspension, control arms, bushings, shock absorbers, springs

Steering:

Power steering system, steering rack, tie rod ends, steering column

Brakes:

Front disc brakes, rear drum brakes (or optional rear discs), ABS (if equipped), brake fluid, bleeding procedures, caliper and master cylinder overhaul

Electrical System:

Battery, charging system (alternator, starter), lighting system, accessory circuits, wiring diagrams, fuse and relay locations

Cooling System:

Radiator, coolant, thermostat, water pump, cooling fan operation

Exhaust System:

Exhaust manifold, catalytic converter, mufflers, pipes, emissions control

Body And Interior:

Body panel removal/installation, doors, windows, seats, interior trim, HVAC system (heating, ventilation, air conditioning)

Procedures Included

Maintenance:

Oil changes, filter replacements, tune-ups, fluid checks and changes, belt inspections and replacement

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting, common problems and solutions

Repair:

Component disassembly, assembly, repair, and replacement for all major systems

Diagnostics:

OBD-I (On-Board Diagnostics) codes (if applicable), specific diagnostic procedures for sensors and actuators

Technical Depth

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including torque specifications and clearances

📊 Manual Specifications

File Format

File Type:

Likely PDF (if digital), highly durable paper (if printed)

Print Quality

Quality:

High-resolution diagrams, clear text, professional layout

Binding Type

Binding:

Spiral-bound or perfect-bound (for printed versions) to lay flat during use

Paper Type

Paper:

Durable, glossy paper stock suitable for shop environments

⚙️ Engine Specifications

Primary Engine

Engine 1 Code:

B6 DOHC

Engine 1 Displacement:

1.6 Liters (1597 cc)

Engine 1 Configuration:

Inline 4-cylinder

Engine 1 Horsepower:

Approx. 88-98 HP (varies by market and specific tune)

Engine 1 Torque:

Approx. 92-100 lb-ft (varies by market and specific tune)

Optional Engine

Engine 2 Code:

BP DOHC

Engine 2 Displacement:

1.8 Liters (1839 cc)

Engine 2 Configuration:

Inline 4-cylinder

Engine 2 Horsepower:

Approx. 103-125 HP (varies by market and specific tune, e.g., GT models)

Engine 2 Torque:

Approx. 107-117 lb-ft (varies by market and specific tune)

Performance

Compression Ratio B6:

Approx. 9.4:1

Compression Ratio Bp:

Approx. 9.0:1

Fuel System

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline

Engine Management

ECU Type:

Mazda ECU (specific model varies)

🔧 Transmission

Standard

Type Standard:

5-speed Manual Transmission

Optional

Type Optional:

4-speed Automatic Transmission

Features

Transmission Fluid Manual:

API GL-4 gear oil (specific viscosity, e.g., 75W-90, to be confirmed in manual)

Transmission Fluid Automatic:

Mazda ATF-III or equivalent (specific type to be confirmed in manual)

📐 Dimensions

Exterior

Wheelbase:

Approx. 98.8 inches (2509 mm)

Length:

Approx. 168.9 inches (4290 mm)

Width:

Approx. 66.7 inches (1694 mm)

Height:

Approx. 53.9 inches (1370 mm)

Weights

Curb Weight:

Approx. 2300-2600 lbs (1043-1179 kg), varies by model and equipment

Gross Vehicle Weight Rating:

To be confirmed in manual, typically around 3300-3500 lbs

Wheels Tires

Wheel Bolt Pattern:

4x100mm

Standard Tire Size:

175/70R13 or 185/60R14 (varies by trim)

Optional Tire Size:

195/55R14 or 205/50R15 (e.g., GT models)

🛡️ Safety Features

Ratings

NHTSA Crash Test Results:

Limited specific data available for 1990 models from NHTSA; check for recalls and common structural observations in manual.

Passive Features

Seatbelts:

3-point front and rear seatbelts

Crumple Zones:

Designed with front and rear crumple zones

Active Features

Optional Anti-lock Braking System (ABS) available on some trims

Child Safety Locks:

Standard on rear doors

💡 Technology Features

Infotainment

Audio System:

Basic AM/FM radio with cassette player, optional CD player on higher trims

Speakers:

Typically 4 or 6 speakers

Driver Assistance

Cruise Control:

Available on higher trim levels

Connectivity

Connectivity Features:

None by modern standards; primarily focused on essential vehicle functions.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for specifics)

Engine Oil Type:

API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for precise recommendation based on temperature)

Oil Capacity:

Approx. 3.7-4.1 US quarts (3.5-3.9 liters) with filter, for 1.6L and 1.8L engines (verify in manual)

Coolant Type:

Ethylene Glycol based coolant, 50/50 mix with distilled water

Timing Belt Replacement:

Recommended every 60,000 - 90,000 miles or 5-7 years (critical on BP engine to prevent catastrophic failure)

Fluid Specifications

Brake Fluid Type:

DOT 3 or DOT 4, Low Viscosity (LV) compatible

Power Steering Fluid:

Dexron II ATF or equivalent power steering fluid

Known Issues

Engine:

Oil leaks from valve cover gasket or oil pan; potential for head gasket issues if overheated; carbon buildup on intake valves, especially in higher mileage BP engines.

Suspension:

Worn control arm bushings, worn sway bar links, worn strut mounts leading to noise and poor handling.

Electrical:

Flickering dashboard lights, issues with power windows or door locks due to aging wiring or switches, alternator or starter motor failure.

HVAC:

Leaky heater cores, failing blower motors, malfunctioning AC compressors.

📚 Vehicle History

Brand Heritage

Mazda Philosophy:

Focus on Jinba Ittai ('horse and rider as one'), driver enjoyment, and reliable engineering

Model Evolution

Generation:

Second Generation Protege (BG Platform), launched for the 1990 model year, replacing the original BF generation.

Body Styles:

Available as a 3-door hatchback, 4-door sedan, and 5-door hatchback (Protege5 for some markets).

Production

Production Years:

1990-1994 (for the BG platform)

Manufacturing Locations:

Primarily Japan, with some assembly in other locations for specific markets.

🏆 Awards & Recognition

Recognitions

Automotive Journal Awards:

While specific awards for the 1990 model are not prominently documented, the Protege line consistently received praise for value, reliability, and handling in compact car reviews of its era.