This service repair workshop manual covers the Mazda Protege, generation BG, produced for the model years 1989 through 1994. Known for its affordability, practical design, and dependable mechanicals, the Protege offered value-conscious consumers a competent compact car that often rivaled competitors like the Honda Civic and Toyota Corolla. The BG chassis, identified by codes such as BG8S and BG5P, was available in 3-door hatchback, 4-door sedan, and 5-door wagon body styles, with performance variants like the GT and GTX offering enhanced driving dynamics. Mazda's philosophy of Jinba Ittai, or "horse and rider as one," is reflected in the Protege's agile handling and responsive steering, making it a popular choice for both everyday transportation and enthusiastic drivers. This comprehensive manual provides detailed guidance for owners, mechanics, and technicians to maintain and repair the Mazda Protege. It encompasses essential information on powertrain systems including the engine, fuel, ignition, and transmission, as well as chassis components like suspension, steering, and brakes. Electrical systems, bodywork, and troubleshooting procedures are also covered in depth. The manual details scheduled maintenance, fluid specifications, and critical procedures such as timing belt replacement, highlighting potential issues like rust and known component wear. With extensive coverage of diagnostic procedures, technical specifications, and repair instructions, this manual serves as an invaluable resource for preserving the performance and longevity of your vehicle. 🏷️ Basic Information Identification Make: Mazda Model: Protege Generation: BG Model Years Covered: 1989, 1990, 1991, 1992, 1993, 1994 Codes Chassis Codes: BG8S, BG8Z, BGFP, BG5S, BG5P 👋 Introduction Market Position Vehicle Segment: Compact Car Target Audience: Budget-conscious consumers, first-time car buyers, enthusiasts seeking affordable and reliable transportation. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort, Chevrolet Cavalier Key Features Value Proposition: Affordability, good fuel economy, practical design, dependable mechanicals. 📋 Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Language: English Format: PDF Download Page Count Estimated Page Count: ~1000+ 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition System, Exhaust System, Transmission (Manual & Automatic) Chassis: Suspension (Front & Rear), Steering System, Brake System, Drivetrain (FWD) Electrical: Battery, Charging System, Starting System, Lighting, Instrumentation, Wiring Diagrams, HVAC Control, Audio System Body: Body Panels, Doors, Windows, Seats, Interior Trim, Bumpers, Glass Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks, Tune-ups Troubleshooting: Diagnostic Procedures, Symptom-based Troubleshooting Guides, Fault Code Interpretation Repair: Component Removal and Installation, Overhaul Procedures, Adjustments, Replacements Technical Specifications: Torque Specifications, Clearances, Tolerances, Diagnostic Data Technical Depth Scope: Comprehensive, from basic maintenance to complete engine and transmission overhauls. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable (dependent on original scan quality) Print Quality Printability: Printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 1: BP-ZE (DOHC) Engine Displacement 1: 1.8 Liters (1839 cc) Engine Configuration 1: Inline 4-cylinder, DOHC, 16-valve Horsepower 1: 125-130 hp @ 6000 rpm (approx.) Torque 1: 115-120 lb-ft @ 4500 rpm (approx.) Secondary Engine Engine Code 2: B6 (SOHC) Engine Displacement 2: 1.6 Liters (1598 cc) Engine Configuration 2: Inline 4-cylinder, SOHC, 16-valve Horsepower 2: 98-105 hp @ 6000 rpm (approx.) Torque 2: 95-100 lb-ft @ 4000 rpm (approx.) Performance Engine Management: Electronic Fuel Injection (EFI) Fuel System Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Manual Transmission Type: 5-speed Manual Optional Automatic Transmission Type: 4-speed Automatic Features Clutch Type: Hydraulic Actuated 📐 Dimensions Exterior Wheelbase: approx. 100.4 inches (2550 mm) Length: approx. 167.9 inches (4265 mm) Width: approx. 66.7 inches (1694 mm) Height: approx. 54.1 inches (1374 mm) Weights Curb Weight: approx. 2400-2600 lbs (1089-1179 kg) depending on trim and engine 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Not Rated (NHTSA ratings were less standardized in this era) IIHS Crash Test Ratings: Not Rated (IIHS ratings were less common/comprehensive) Active Features Brakes: Front Disc, Rear Drum (ABS optional on higher trims/later models) Passive Features Airbags: Driver airbag standard on most models from ~1992 onwards. Passenger airbag optional or unavailable. Seatbelts: 3-point front seatbelts, 2-point rear lap belts (later models may have 3-point rear belts) 💡 Technology Features Infotainment Audio System: Factory AM/FM Radio with Cassette Player, often with 4 speakers. Optional CD player on higher trims/later models. Climate Control: Manual air conditioning and heater controls. Automatic climate control was not a common feature. Driver Assistance Cruise Control: Optional on many models, especially sedans and higher trim levels. Connectivity Connectivity Options: None (No Bluetooth, USB, or auxiliary inputs from the factory). 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions). Air Filter Replacement: Every 15,000 miles (24,000 km) or 12 months. Spark Plug Replacement: Every 30,000 miles (48,000 km) for standard plugs, or 60,000 miles (96,000 km) for platinum plugs. Timing Belt Replacement: Crucial! Every 60,000 miles...