🏷️ Basic Information Identification Make: Mazda Model: 323 Protege Year: 1990 Trim Level: Protege 4-Wheel Drive Generation Chassis Code: BG 👋 Introduction Market Position Positioning: The 1990 Mazda 323 Protege was a popular compact car known for its practicality, fuel efficiency, and sporty handling. The 4-Wheel Drive variant offered enhanced traction for various weather conditions, making it a niche but desirable option. Competitive Analysis Competitors: Competed against vehicles like the Honda Civic, Toyota Corolla, Ford Escort, and Nissan Sentra in the compact segment. Key Features Features: Reliable mechanicals, engaging driving dynamics, affordable maintenance, and the added capability of 4-wheel drive. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Drivetrain: Yes (4-Wheel Drive) Brakes: Yes Suspension: Yes Steering: Yes Electrical System: Yes Body And Chassis: Yes Climate Control: Yes Diagnostics: Yes Wiring Diagrams: Yes Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF (Likely Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, pistons, connecting rods, crankshaft, camshaft, timing belt, lubrication system, cooling system. Engine Fuel And Emissions: Fuel injection system (EFI), fuel pump, fuel injectors, fuel filter, evaporative emission control (EVAP), exhaust system, catalytic converter. Engine Ignition: Ignition system, spark plugs, ignition coils, distributor (if applicable), ignition timing. Engine Management: ECU (Engine Control Unit) diagnosis, sensor testing (e.g., MAF, TPS, O2), troubleshooting electronic fuel injection. Transmission Manual: Clutch system, manual transmission assembly, gearshift linkage, repair procedures. Transmission Automatic: Automatic transmission operation, fluid checks, filter replacement, removal/installation, control systems (if applicable). Drivetrain 4Wd: Transfer case operation, front and rear differentials, driveshafts, CV joints, maintenance and repair of the 4WD system. Suspension Front: MacPherson struts, control arms, ball joints, bushings, springs, shock absorbers, wheel alignment specifications. Suspension Rear: Multi-link suspension (likely for Protege), trailing arms, shock absorbers, springs, bushings, wheel alignment specifications. Brakes Hydraulic: Brake system components, brake fluid specifications, bleeding procedures, master cylinder, brake lines, wheel cylinders, caliper repair. Brakes Friction: Brake pad replacement, brake disc/rotor inspection and replacement, brake shoe adjustment (if drum brakes in rear). Steering System: Power steering system, steering gear/rack and pinion, steering column, tie rods, power steering fluid specifications. Electrical Charging: Alternator, voltage regulator, battery specifications, charging system testing. Electrical Starting: Starter motor, starter solenoid, ignition switch, starting system troubleshooting. Lighting System: Headlights, taillights, interior lights, fuses, bulbs, wiring. Instrument Panel: Gauges, warning lights, dashboard illumination. Body Exterior: Body panel removal/installation, doors, hood, trunk lid, bumpers, trim pieces, glass replacement. Body Interior: Seat removal, dashboard disassembly, door panel removal, carpet, headliner, trim. HVAC: Heating system, air conditioning system components, refrigerant, blower motor, control panel. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, spark plug replacement, coolant flushes, brake fluid changes, belt inspections/replacement, tune-ups. Troubleshooting: Diagnostic flowcharts for common problems (engine not starting, poor performance, electrical issues, etc.). Repair Procedures: Step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, and reassembly. Overhaul Procedures: Detailed instructions for major component overhauls, such as engine rebuilds, transmission overhauls. Diagnosis Testing: Procedures for testing sensors, actuators, relays, fuses, and other electrical components using multimeters and specialized tools. Alignment Adjustments: Wheel alignment procedures and specifications, steering angle adjustments. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and electrical system troubleshooting. 📊 Manual Specifications File Format Format: Digital (PDF) Print Quality Quality: High-resolution, clear text and diagrams for easy reading and printing. Binding Type Type: N/A (Digital Format) Paper Type Type: N/A (Digital Format) Searchability Feature: Searchable text for quick access to specific information. Illustrations Type: Detailed diagrams, exploded views, and line drawings. ⚙️ Engine Specifications Primary Engine Engine Code: BP (Commonly used for this generation and engine size) Engine Type: Inline-4, DOHC (Double Overhead Camshaft) Displacement: 1.8 Liters (1839 cc) Performance Horsepower: Approximately 125 hp @ 6000 rpm (varies by market and specific tune) Torque: Approximately 130 lb-ft @ 4500 rpm (varies by market and specific tune) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type Fuel Requirement: Unleaded Gasoline (Octane rating as specified by Mazda) Cooling System Coolant Type: Ethylene Glycol based antifreeze (50/50 mix with distilled water recommended) Lubrication System Oil Type: SAE 5W-30 or 10W-30 API SG or SH classification (check manual for exact specs) Oil Capacity: Approximately 4.5 US quarts (4.3 liters) with filter change (refer to manual for precise capacity) 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission Features Drivetrain Layout: Full-time 4-Wheel Drive (potentially with a viscous coupling center differential or similar system) Fluid Specification Manual Transmission Fluid: GL-4 Gear Oil, SAE 75W-90 (Verify with manual) Automatic Transmission Fluid: Dexron III (or equivalent compatible ATF) (Verify with manual) 📐 Dimensions Exterior Length: Approx. 168.9 inches (4290 mm) Width: Approx. 66.1 inches (1680 mm) Height: Approx. 54.7 inches (1390 mm) Wheelbase Wheelbase: Approx. 98.4 inches (2500 mm) Weights...