🏷️ Basic Information Identification Make: Mazda Model: 323 Protege Year: 1990-1991 Codes Chassis Codes: BG (for both 1990 and 1991 models) 👋 Introduction Market Position Segment: Compact/Subcompact car Target Audience: DIY mechanics, independent repair shops, Mazda owners seeking in-depth repair knowledge Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort Key Features Vehicle Strengths: Reliability, fuel efficiency, sporty handling, distinctive styling for its era Manual Value Proposition: Provides comprehensive, manufacturer-level repair information, enabling cost-effective maintenance and repairs. 📋 Manual Details Coverage Areas Scope: Comprehensive workshop service and repair Page Count Total Pages: 728 Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, and tuning for gasoline engines (e.g., 1.6L B6, 1.8L BP) Transmission: Manual and automatic transmission disassembly, assembly, repair, and adjustment Drivetrain: Front-wheel drive system, CV joints, differential inspection and repair Suspension: Front and rear suspension components, alignment specifications, shock absorber and strut replacement Steering: Power steering system diagnosis and repair, steering column and rack and pinion maintenance Brakes: Front and rear brake systems (disc and drum), hydraulic system diagnosis, caliper and rotor replacement, brake fluid specifications Electrical: Complete wiring diagrams, component testing, starter, alternator, ignition system, lighting, fuses, relays, sensors Fuel System: Fuel injection system (MPI/EFI), fuel pump, injectors, fuel pressure testing, fuel filter replacement Cooling System: Radiator, thermostat, water pump, coolant specifications, fan operation Exhaust System: Catalytic converter, muffler, exhaust manifold, gasket replacement Body And Interior: Body panel removal and installation, interior trim, door mechanisms, glass replacement, HVAC system Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based fault finding Repair And Rebuild: Detailed step-by-step instructions for component repair and complete overhaul Inspection: Visual inspections, diagnostic checks, wear and tear assessment Specifications And Torques: Tightening torques for critical fasteners, measurement specifications Special Tools: Identification and usage of specialized tools required for specific procedures Diagnostics: Systematic diagnostic procedures for electrical and mechanical faults. Technical Depth Depth: In-depth diagnostics, component-level repair, complete engine and transmission rebuilds 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Searchable text for quick information retrieval Print Quality Quality: High-resolution for clarity of diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Completeness Completeness: Designed to be a complete workshop manual, covering all major repair and maintenance aspects. ⚙️ Engine Specifications Primary Engine Engine Code 1: B6 (1.6L DOHC) Engine Code 2: BP (1.8L DOHC) Performance 1.6L Horsepower: Approx. 88-98 hp (depending on market and configuration) 1.8L Horsepower: Approx. 103-118 hp (depending on market and configuration) 1.6L Torque: Approx. 92-98 lb-ft 1.8L Torque: Approx. 106-110 lb-ft Fuel System Injection Type: Electronic Fuel Injection (EFI) / Multi-Point Fuel Injection (MPI) Fuel Grade: Unleaded gasoline (Octane rating as per owner's manual, typically 87 AKI or higher) Engine Details Cylinder Layout: Inline 4-cylinder Valvetrain: DOHC (Double Overhead Camshaft) 🔧 Transmission Standard Manual Transmission: 5-speed manual (e.g., F5M33) Optional Automatic Transmission: 4-speed automatic (e.g., F4A21) Features Clutch Type: Hydraulic dry single plate clutch Fluid Specifications Manual Fluid: GL-4 gear oil (e.g., SAE 75W-90 or 80W-90) Automatic Fluid: Dexron-III or equivalent ATF (Automatic Transmission Fluid) 📐 Dimensions Exterior Length: Approx. 4,270 - 4,330 mm (varies by body style: sedan/hatchback) Width: Approx. 1,670 - 1,690 mm Height: Approx. 1,370 - 1,400 mm Weights Curb Weight: Approx. 1,050 - 1,150 kg (varies by model and options) Gross Vehicle Weight: Varies by model, consult manual for specific ratings 🛡️ Safety Features Ratings Crash Test Results: Data from this era is less standardized than modern ratings. Consult specific regional safety reports if available. Active Features ABS: Optional on some higher trim levels Passive Features Airbags: Driver airbag standard on later models, passenger airbag optional/unavailable on early models Seat Belts: 3-point front and rear seat belts 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player on higher trims. Controls: Manual HVAC controls, basic dashboard instrumentation. Driver Assistance Cruise Control: Available on some models/trims. Connectivity Connectivity Features: N/A (No advanced connectivity or Bluetooth as standard for this era). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 6 months, check manual for specific recommendation. Timing Belt Replacement: Crucial for BP and B6 engines. Typically every 60,000-90,000 miles or 5-7 years. Consult manual for exact interval and part numbers. Spark Plug Replacement: Varies by spark plug type (copper, platinum). Typically 30,000-60,000 miles. Fluid Specifications Engine Oil Type: API SG or higher, SAE 5W-30 or 10W-30 (check manual for precise recommendation based on climate). Coolant Type: Ethylene glycol based coolant, typically a 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4. Known Issues Common Problem 1: Timing belt failure (if not replaced on...