🏷️ Basic Information Identification Make: Mercury Model: Cougar Year: 1991 Generation Cougar Generation: Sixth Generation (1989-1997) Codes Vehicle Platform: MN12 👋 Introduction Market Position Market Position: Mid-size personal luxury coupe, competing with Chevrolet Camaro, Pontiac Firebird, and American Honda Prelude. Competitive Analysis Competitive Analysis: The 1991 Cougar, based on the MN12 platform, offered a more refined and performance-oriented option compared to its predecessor, emphasizing European handling characteristics and improved aerodynamics. Key Features Key Features: Rear-wheel drive, optional 5.0L V8 engine, independent rear suspension (IRS), aerodynamic styling, comfortable interior. 📋 Manual Details Coverage Areas Manual Coverage Areas: Comprehensive Service and Repair Page Count Manual Page Count: Digital Access (No specific page count provided, but implies extensive content) Manual Type Manual Type: Software/Online Service and Repair Manual Language Manual Language: English Format Manual Format: Web-based access via browser, compatible with PC, laptop, smartphone, tablet 📖 Manual Coverage Systems Covered Systems Covered Engine: Engine mechanical, lubrication, cooling, fuel, ignition, emissions control, starting, charging Systems Covered Transmission: Automatic transmission service and repair (likely AOD/AODE variations for 1991) Systems Covered Drivetrain: Driveshaft, axles, rear axle assembly Systems Covered Brakes: Brake system hydraulics, components, anti-lock brake system (if equipped) Systems Covered Suspension: Front and rear suspension, steering system Systems Covered Electrical: Wiring diagrams, lighting, instrumentation, power distribution, body electrical components Systems Covered HVAC: Heating, ventilation, and air conditioning (HVAC) system Systems Covered Body: Body panels, interior trim, doors, windows, glass, seats Systems Covered Exhaust: Exhaust system components and diagnosis. Systems Covered Fuel: Fuel tank, fuel pump, fuel lines, fuel filter, fuel injection system. Systems Covered Ignition: Distributor, ignition coil, spark plugs, spark plug wires, ignition module. Procedures Included Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, tune-ups Procedures Included Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) if applicable, symptom-based diagnostics Procedures Included Repair: Component removal and installation, system repairs, adjustments Procedures Included Specifications: Torque specifications, clearances, alignments, electrical values Procedures Included Body Repair: Front and rear bumper replacement, fender repairs, door panel removal and installation, hood and trunk lid adjustments. Procedures Included Steering Repair: Steering column overhaul, power steering pump and rack replacement. Procedures Included Engine Rebuild: Engine teardown, inspection, assembly, piston and ring replacement, bearing replacement, cylinder head overhaul. Technical Depth Technical Depth: Factory-derived, comprehensive, suitable for DIY and professional technicians Technical Depth Wiring: Detailed wiring diagrams for all electrical systems, including component location and pin-out data. Technical Depth Diagnostics: Comprehensive diagnostic procedures for all major systems, including flowcharts and symptom-to-cause mappings. Technical Depth Specifications: Precise torque values, diagnostic tool usage, measurement specifications for all mechanical and electrical components. 📊 Manual Specifications File Format Digital File Format: Web-based access, not a downloadable file Print Quality Print Quality: N/A (Digital Access) Binding Type Binding Type: N/A (Digital Access) Paper Type Paper Type: N/A (Digital Access) ⚙️ Engine Specifications Primary Engine Engine Options 1991: 2.3L Turbocharged Inline-4 (Brazil), 5.0L V8 (North America) Engine 2.3L Turbo Specs: 2.3L Turbocharged Inline-4 (likely similar to Mustang GT Turbo), estimated horsepower and torque figures vary but would be lower than V8. Performance Engine 5.0L V8 Horsepower: Approximately 200 hp (149 kW) Engine 5.0L V8 Torque: Approximately 275 lb-ft (373 Nm) Fuel System Engine Fuel System 5.0L: Electronic Fuel Injection (EFI) 🔧 Transmission Standard Transmission Standard: Automatic (Likely AOD - Automatic Overdrive) Optional Transmission Optional: Manual transmission may have been available on certain configurations, but automatic was more common, especially with the V8. Features Transmission Features: Overdrive gear for improved fuel economy at highway speeds. 📐 Dimensions Exterior Exterior Length: Approximately 197.5 inches (4991 mm) Exterior Width: Approximately 70.5 inches (1791 mm) Exterior Height: Approximately 53.5 inches (1359 mm) Weights Curb Weight Approx: 3400 - 3600 lbs (1542 - 1633 kg) depending on engine and options Interior Interior Wheelbase: Approximately 104.2 inches (2647 mm) 🛡️ Safety Features Ratings Safety Ratings: NHTSA ratings not readily available for specific year/model in a consistent format, but MN12 platform aimed for improved safety over previous generations. Active Features Active Safety Features: Optional Anti-lock Braking System (ABS) Passive Features Passive Safety Features: Seat belts, reinforced passenger compartment. 💡 Technology Features Infotainment Infotainment Features: AM/FM stereo with cassette player, optional CD player, graphic equalizer. Driver Assistance Driver Assistance Features: Cruise control. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Maintenance Oil Change Interval: Every 3,000-5,000 miles or 6 months (typical for this era, consult manual for specific recommendations) Maintenance Tune Up Interval: Typically every 30,000 miles, including spark plug replacement and inspection of ignition components. Fluid Specifications Fluid Engine Oil Spec: SAE 5W-30 or 5W-30 Synthetic (check manual for exact specification and viscosity index) Fluid Transmission Oil Spec: Mercon ATF (Automatic Transmission Fluid) Fluid Coolant Spec: Ford Premium Engine Coolant (Green) or equivalent ethylene glycol based coolant Fluid Brake Fluid Spec: DOT 3 Brake Fluid Fluid Power Steering Spec:...