🏷️ 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 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 ABS: 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...