🏷️ Basic Information Identification Make: Ford Model: Mustang Year: 1987-1993 Codes Chassis Code: SN95 (Fourth Generation Mustang, but this manual covers the later part of the Fox body generation's end and the transition/early SN95 introduction). Platform: Fox platform (primarily for earlier models in this range, with some overlap into the early SN95 platform's design philosophy). 👋 Introduction Market Position Target Audience: Professional mechanics, dealership technicians, and serious DIY enthusiasts undertaking in-depth repairs and maintenance. Competitive Analysis Differentiation: This manual provides the same level of detail and accuracy as the official Ford service documentation, far surpassing generic aftermarket guides in scope and specificity. Key Features Completeness: Covers all models (LX, GT, Cobra) and engine variants (2.3L, 5.0L) within the specified years, offering a truly comprehensive resource. Authenticity: Directly sourced or replicated from the official Ford factory service publications, ensuring accuracy and adherence to factory procedures. 📋 Manual Details Coverage Areas Coverage: All models and all repairs A-Z specific to the 1987-1993 Ford Mustang. Page Count Page Count: Estimated 1500-2500 pages (typical for comprehensive factory-level service manuals covering multiple model years and variants). Manual Type Manual Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: Likely printed book or a high-quality digital reproduction (e.g., PDF). 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul procedures, component specifications, timing, diagnostics for 4-cylinder (2.3L OHC) and V8 (5.0L EFI HO) engines. Engine Electrical: Ignition system, fuel injection (EFI), starting and charging system, ECU diagnostics, wiring diagrams. Transmission Manual: Service and overhaul for T-5 5-speed manual transmission. Transmission Automatic: Service and overhaul for AOD (Automatic Overdrive) and potentially early AXOD/AX4S transmissions. Drivetrain: Rear axle service, limited-slip differential (Traction-Lok) operation and servicing, driveshaft and CV joints. Suspension: Front MacPherson strut and rear solid axle suspension systems, component replacement, alignment specifications. Steering: Power steering system diagnosis and repair, steering gear service, column service. Brakes: Front disc (solid or vented depending on model) and rear drum/disc brake systems, hydraulic components, ABS (if equipped). Electrical Chassis: Lighting, wipers, horn, power windows, door locks, instrument cluster, interior electronics. HVAC: Heating, ventilation, and air conditioning system diagnosis, refrigerant handling, component replacement. Body Exterior: Panel removal and installation, door hardware, trim, glass replacement, convertible top service. Body Interior: Seat removal, dashboard components, headliner, carpet replacement. Diagnostics: Troubleshooting charts, diagnostic trouble codes (DTCs) for EFI systems, wiring diagrams for fault finding. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid level checks and top-offs, drive belt inspection and replacement. Component Overhaul: Full engine rebuild, transmission rebuild (manual and automatic), brake caliper and master cylinder overhaul, suspension component replacement. Troubleshooting: Systematic diagnostic procedures for common and complex issues, including electrical gremlins, engine performance problems, and transmission shifting issues. Diagnostic Tools: Use of specific Ford diagnostic tools (e.g., EEC-IV testers) and common aftermarket tools for this era. Electrical Repair: Wiring harness repair, connector servicing, sensor replacement, module testing and replacement. Emissions Control: Service and repair of EGR, PCV, and catalytic converter systems. Technical Depth Diagnostic Depth: Advanced diagnostics for electronic fuel injection (EFI) and engine control unit (ECU) systems, including sensor readings and actuator tests. Repair Detail: Comprehensive, step-by-step repair instructions with torque specifications, special tool requirements, and detailed diagrams. Specifications Accuracy: Factory-level accuracy for all specifications, measurements, clearances, and torque values. 📊 Manual Specifications File Format Digital Format: Searchable PDF with high-resolution diagrams and printable pages. Print Quality Print Quality: Clear, legible text and sharp, detailed illustrations and diagrams. Binding Type Binding Type: If printed: Saddle-stitched or perfect bound for durability in a workshop environment. Paper Type Paper Type: If printed: Heavy-duty paper stock resistant to oil and dirt, suitable for workshop use. ⚙️ Engine Specifications Primary Engine 2.3L Engine Code 2.3L: OHC (Overhead Cam), naturally aspirated and turbocharged (in some performance variants like the SVO, though this manual focuses on standard Mustang models). Displacement 2.3L: 2302 cc (140.3 cubic inches) Primary Engine 5.0L Engine Code 5.0L: 5.0L EFI HO V8 (High Output, Electronic Fuel Injection) Displacement 5.0L: 4942 cc (302 cubic inches) Performance 5.0L Horsepower 5.0L: Approx. 200-225 hp (depending on year and specific trim, e.g., GT, LX 5.0, Cobra). Torque 5.0L: Approx. 280-300 lb-ft (depending on year and specific trim). Fuel System Fuel Injection Type: Electronic Fuel Injection (EFI) for all models in this range. Fuel Type: Unleaded gasoline. 🔧 Transmission Standard Transmission Standard Transmission: T-5 5-speed manual transmission (standard on most performance models and many base models). Optional Transmission Optional Transmission: AOD (Automatic Overdrive) 4-speed automatic transmission, later evolving to AXOD/AX4S. Available on most models. Features Transmission Features: The T-5 is known for its robust design for the era. The AOD provides overdrive for improved fuel economy. 📐 Dimensions Exterior Wheelbase: 100.4 inches (2550 mm) Length: Approx. 175-178 inches (4445-4521 mm) depending on trim and year. Weights Curb Weight: Approx. 2900-3200 lbs (1315-1451 kg)...