🏷️ Basic Information Identification Make: Ford Model: Mustang Year: 1990 Codes Platform Code: Fox body Chassis Code: SN95 (referring to the generation's final iterations) 👋 Introduction Market Position Market Position: The 1990 Mustang represented the final iteration of the iconic 'Fox body' platform, blending performance heritage with updated styling and technology for its era. Competitive Analysis Competitive Analysis: Competed with other rear-wheel-drive coupes and performance cars of the era, including Chevrolet Camaro, Pontiac Firebird, and various Japanese sports coupes. Key Features Key Features: Renowned for its V8 engine performance, agile handling thanks to the Fox platform, and distinctive styling. Manual Value Proposition Manual Value Proposition: Provides comprehensive, detailed, and officially licensed technical information essential for maintaining, repairing, and optimizing the 1990 Ford Mustang, catering to enthusiasts and professional technicians alike. 📋 Manual Details Coverage Areas Coverage Areas: All systems, components, and procedures for the 1990 Ford Mustang Page Count Page Count: Estimated 1000+ pages (typical for comprehensive service manuals) Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary application) 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul for 2.3L I4, 5.0L V8 (including HO variants) Transmission: Service and repair for T-5 5-speed manual and AOD 4-speed automatic transmissions Brakes: Front disc, rear drum (standard) and optional rear disc brake systems; ABS diagnosis Suspension: Front struts and coil springs, rear solid axle with four-bar link suspension; alignment specifications Electrical: Wiring diagrams, component testing, diagnostic procedures for lighting, ignition, charging, starting, and accessories Fuel System: EFI (Electronic Fuel Injection) system diagnostics, fuel pump, injectors, pressure regulator Cooling System: Radiator, water pump, thermostat, cooling fan operation and diagnosis Exhaust System: Component replacement, catalytic converter, muffler, O2 sensor diagnostics HVAC: Air conditioning system service, heater core, blower motor, refrigerant handling Steering: Power steering system, steering column, tie rod ends; alignment specifications Body: Body panel alignment, door mechanisms, glass replacement, interior trim removal Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, belt tensioning, fluid checks and changes Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting for common and complex issues Repair: Step-by-step instructions for component replacement, rebuilding, and adjustment Diagnostics: ECM (Electronic Control Module) fault code retrieval and interpretation, sensor testing Specifications: Torque specifications, gap settings, clearances, fluid capacities, and electrical parameters Technical Depth Technical Depth: Comprehensive: covers basic maintenance to full engine and transmission overhauls, electrical system diagnostics, and bodywork repairs. 📊 Manual Specifications File Format File Format: Digital Software (likely searchable PDF or proprietary application with interactive diagrams) Print Quality Print Quality: High-resolution, suitable for professional printing of individual sections or full manual. Binding Type Binding Type: N/A (Software format; if printed, typically spiral-bound for lay-flat use in a workshop) Paper Type Paper Type: N/A (Software format; if printed, typically heavy-duty, coated paper for durability in a workshop environment) ⚙️ Engine Specifications Primary Engine Primary Engine 1: 2.3L SOHC Inline-4 (Turbocharged) - 'OHC' / 'Lima' Primary Engine 2: 5.0L OHV V8 - '302 Windsor' / '5.0 HO' Performance 1 Horsepower 2 3L Turbo: 165 hp @ 4600 rpm (estimate, varies with specific configuration) Torque 2 3L Turbo: 185 lb-ft @ 3200 rpm (estimate, varies with specific configuration) Performance 2 Horsepower 5 0L V8: 225 hp @ 4200 rpm (GT/LX 5.0) Torque 5 0L V8: 300 lb-ft @ 3200 rpm (GT/LX 5.0) Fuel System Fuel System Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline Engine Management Engine Management System: Ford EEC-IV (Electronic Engine Control IV) 🔧 Transmission Standard Standard Transmission: T-5 Manual Transmission (5-speed) Optional Optional Transmission: AOD Automatic Transmission (4-speed with overdrive) Features Transmission Fluid Spec Manual: Mercon ATF (Automatic Transmission Fluid) or equivalent, typically used for T-5 gears as well, check manual for specific viscosity Transmission Fluid Spec Auto: Mercon ATF (Automatic Transmission Fluid) or equivalent Gearing T5 Gear Ratios Example: Example: 1st: 3.35, 2nd: 1.93, 3rd: 1.29, 4th: 1.00, 5th: 0.71 (subject to revision) 📐 Dimensions Exterior Wheelbase: 100.4 inches Overall Length: 181.2 inches Overall Width: 68.5 inches Overall Height: 52.8 inches Weights Curb Weight Estimate: Approximately 3000-3300 lbs (varies by engine and trim) Gross Vehicle Weight Rating: Varies by model, typically around 4000-4200 lbs Wheels Tires Standard Tire Size Lx Gt: 205/60VR15 Optional Tire Size Gt: 225/55ZR16 Wheel Bolt Pattern: 4 x 114.3 mm (4.5 inches) 🛡️ Safety Features Ratings NHTSA Crash Test Rating Driver Front: Not rated or available for this specific model year by modern NHTSA standards, but considered robust for its time. Active Features Active Features Standard: Rear-wheel drive Active Features Optional: Anti-lock Braking System (ABS) - typically on GT models and rear discs Passive Features Passive Features Standard: Three-point front seat belts, driver-side airbag (standard in late 1990 models and mandatory for 1991+), energy-absorbing steering column, safety-glass windshield. Passive Features Optional: Passenger-side airbag (rare or not available for 1990 model year). 💡...