🏷️ Basic Information Identification Make: Ford Model: Mustang Year: 1991 Codes Chassis Code: SN95 (Fourth Generation) Generation Generation Designation: Fourth Generation 👋 Introduction Market Position Target Audience: DIY mechanics, professional technicians, Mustang enthusiasts Competitive Analysis Value Proposition: Provides official, detailed repair information, saving time and money compared to dealership service or unreliable online sources. Key Features Licensing: Officially licensed product Convenience: Instant online availability and download 📋 Manual Details Coverage Areas Documentation Type: Official Service and Repair Manual Coverage Scope: Comprehensive vehicle repair and maintenance Page Count Estimated Page Count: Varies by specific software edition, typically 1000+ pages of detailed content Manual Type Manual Format: Software (Digital Download) Manual Classification: Comprehensive Service and Repair Manual Language Language: English 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, exhaust, emissions control, engine performance diagnostics Transmission Drivetrain: Manual and automatic transmissions (T-5, AOD, AOD-E), clutch system, driveshaft, axles, differentials Brakes Suspension: Front and rear disc brakes, hydraulic system, parking brake, anti-lock braking system (ABS) if equipped, front suspension (MacPherson strut), rear suspension (solid axle, quadra-link), steering system Electrical Electronics: 12-volt electrical system, battery, charging system, starting system, lighting, instrumentation, power accessories, engine control module (ECM) diagnostics, wiring diagrams Body Chassis: Body construction, exterior trim, interior trim, doors, windows, locks, seats, HVAC system, body panel repair and replacement Fuel System Details: Fuel pump operation, fuel injectors, fuel pressure testing, fuel tank and lines. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement, brake pad replacement Repair Procedures: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical system diagnosis and repair, body panel repair Troubleshooting Diagnostics: Diagnostic charts, symptom-based troubleshooting, code reading and interpretation (OBD-I) Wiring Diagrams: Detailed electrical wiring diagrams for all vehicle systems Engine Rebuilding: Detailed steps for engine disassembly, inspection, measurement, and reassembly for both 2.3L and 5.0L engines. Technical Depth Depth Of Information: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls and advanced electrical diagnostics Torque Specifications: Includes critical torque specifications for engine, chassis, and drivetrain components. 📊 Manual Specifications File Format File Type: Digital software (e.g., PDF, proprietary executable) Software Compatibility: Designed to run on Windows operating systems (verify specific OS requirements with seller). Print Quality Searchability: Searchable text for quick information retrieval Binding Type Digital Accessibility: Instantly accessible after download Paper Type Digital Medium: Digital distribution via download ⚙️ Engine Specifications Primary Engine Engine Options: 2.3L (140 cu in) inline-four (OHC), 5.0L (302 cu in) V8 (OHV) 2 3L Engine Power: Approximately 105 hp @ 4,600 rpm 2 3L Engine Torque: Approximately 130 lb-ft @ 2,800 rpm 5 0L V8 Engine Power: Approximately 205 hp @ 4,000 rpm (GT), 225 hp @ 4,800 rpm (Cobra) - Note: GT often had 205 hp, Cobra variants had higher output. 5 0L V8 Engine Torque: Approximately 275 lb-ft @ 2,400 rpm (GT), 285 lb-ft @ 3,200 rpm (Cobra) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) for all engines Fuel Type: Unleaded gasoline (87 octane or higher recommended) 🔧 Transmission Standard Standard Transmission: 5-speed manual (T-5) on most models, 4-speed automatic (AOD) often standard on base models. Optional Optional Transmission: 4-speed automatic (AOD/AOD-E variants) Features Transmission Fluid Spec: Mercon/Dexron II automatic transmission fluid (ATF); Manual transmission fluid type varies by transmission and application (refer to manual) 📐 Dimensions Exterior Wheelbase: 100.4 inches Overall Length: 181.3 inches Overall Width: 69.1 inches Overall Height: 52.2 inches Weights Curb Weight: Approximately 3,100 - 3,300 lbs (varies by engine and options) Gross Vehicle Weight Rating: Approximately 4,100 lbs (varies) 🛡️ Safety Features Ratings NHTSA Crash Test Results: Information for this specific year and model may not be readily available in standardized formats from the era. Refer to manual for any factory safety system details. Active Features Braking System Type: Power-assisted front disc and rear drum brakes standard; Optional front and rear disc brakes (GT, Cobra). Anti Lock Braking System: Optional on some models (ABS) Passive Features Airbags: Driver-side airbag standard. Seat Belts: Three-point front seat belts with pretensioners, lap belts for rear passengers. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player on higher trims. Basic analog gauges. Driver Assistance Cruise Control: Optional on most models. Connectivity Connectivity Features: No modern connectivity features (Bluetooth, USB, etc.). Primarily focused on core vehicle operation. Engine Control Engine Management System: Ford EEC-IV (Electronic Engine Control IV) with OBD-I diagnostic capabilities. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type. Transmission Fluid Change: Automatic: 30,000-50,000 miles; Manual: Inspect periodically, change as needed or at higher mileage intervals (e.g., 50,000-100,000 miles). Spark Plug Replacement: Varies by plug type: Copper plugs ~30,000 miles; Platinum/Iridium plugs ~100,000 miles. Refer to specific plug recommendations...