🏷️ Basic Information Identification Make: Mercury Model: Grand Marquis Year: 2004 Codes Platform: Ford Panther Platform 👋 Introduction Market Position Segment: Full-Size Luxury Sedan Competitive Analysis Competitors: Buick LeSabre, Cadillac DeVille, Chevrolet Impala, Chrysler 300M Key Features Vehicle Philosophy: Comfort-oriented, spacious, rear-wheel-drive American sedan with a focus on quiet ride and traditional V8 power. Manual Value Proposition Advantage Over Print: Instant access, searchability, multimedia integration (potentially), lower cost, always up-to-date content (compared to static print). 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Estimated Page Count: Extensive (Digital - Content equivalent to multiple printed volumes) Manual Type Type: Software/Online Service and Repair Manual Language Language: English Format Format: Web-based Software (Accessible via PC, Laptop, Smartphone, Tablet with internet) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Fuel System, Cooling System, Exhaust System Chassis: Suspension (Front & Rear), Steering, Brakes (Front & Rear, ABS), Wheels, Tires Electrical: Body Electrical, Powertrain Control Module (PCM), Lighting, Instruments, Audio System, Power Accessories, Wiring Diagrams Climate Control: Heating, Ventilation, and Air Conditioning (HVAC) System Body: Body Panels, Interior Trim, Doors, Glass, Bumpers, Frame Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Repair: Component Replacement, Overhaul Procedures, Component Diagnosis Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-based Diagnostics Specifications: Torque Specifications, Clearances, Pressures, Voltages, Resistance Values Technical Depth Depth: Factory-Level Technical Information for Professional Technicians and Advanced DIYers Detail Level: Step-by-step repair instructions with detailed diagrams and illustrations 📊 Manual Specifications File Format Accessibility: Web-based platform, requiring internet connection and browser Print Quality Print Option: Printable pages available through the software interface Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Licensing License Terms: One-Year Access License (with discounts for renewals) ⚙️ Engine Specifications Primary Engine Engine Type: 4.6L V8 (32-Valve DOHC 'Intech' V8) Engine Code: A (PFI - Port Fuel Injection) Performance Horsepower: 239 HP @ 4,700 RPM (SAE Net) Torque: 287 lb-ft @ 4,000 RPM (SAE Net) Fuel System Injection Type: Sequential Electronic Fuel Injection (SEFI) Cooling System Coolant Capacity: 11.0 Quarts (10.4 Liters) Emission Controls Emission System: California Emission System (where applicable), Federal Emission System 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Overdrive Transmission Model: 4R70W (or similar variant) Features Drive Type: Rear-Wheel Drive (RWD) Fluid Specifications Transmission Fluid Type: MERCON V Automatic Transmission Fluid Fluid Capacity Transmission Fluid Capacity: Approximately 10.5 Quarts (9.9 Liters) for a complete fluid service (check dipstick) 📐 Dimensions Exterior Wheelbase: 114.7 inches (2913 mm) Overall Length: 212.4 inches (5395 mm) Overall Width: 78.1 inches (1984 mm) Overall Height: 59.1 inches (1501 mm) Weights Curb Weight: Approximately 4,074 lbs (1,848 kg) Gross Vehicle Weight Rating: Approximately 5,350 lbs (2,427 kg) Cargo Trunk Volume: 20.6 cubic feet (583 Liters) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 5-Star (for 2004 model year as tested) NHTSA Passenger Front Impact: 5-Star (for 2004 model year as tested) IIHS Frontal Offset Score: Good (for models tested) Active Features Braking System: Four-wheel power disc brakes with Anti-lock Braking System (ABS) Traction Control: Optional Traction Assist System (TRAX) Passive Features Airbags: Dual-stage front airbags for driver and front passenger, available side-impact airbags Seatbelts: Height-adjustable front seatbelts with pretensioners, rear seat lap and shoulder belts 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD Player, optional premium audio systems with cassette player and external CD changer. Display: Analog gauges, LCD message center in instrument cluster. Driver Assistance Cruise Control: Standard electronic cruise control Connectivity Remote Keyless Entry: Standard or optional, depending on trim level Comfort Features Climate Control Type: Manual or optional Automatic Temperature Control (ATC) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles (8,000 km) or 6 months, whichever comes first (with conventional oil); consult manual for synthetic oil recommendations. Tire Rotation: Every 5,000 miles (8,000 km) Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on inspection. Spark Plug Replacement: Typically around 100,000 miles (160,000 km) for iridium spark plugs (refer to specific plug type). Fluid Specifications Engine Oil Type: SAE 5W-20 (preferred) or SAE 5W-30 API Certified Engine Oil Capacity: 6 Quarts (5.7 Liters) with filter change Coolant Type: Ford Premium Engine Coolant (Yellow) Brake Fluid Type: DOT 3 Known Issues Common Complaints: Front suspension wear (ball joints, tie rods), ignition coil failure, rear main seal leaks, potential transmission issues (depending on maintenance). Common Fixes: Replacement of worn suspension components, ignition coil replacement, proactive seal replacement. 📚 Vehicle History Brand Heritage Heritage: Mercury was a division of Ford Motor Company, positioned as a premium brand between Ford and Lincoln. Model Evolution Generation: Fourth Generation Grand Marquis (body-on-frame, based on the Ford Crown Victoria/Mercury Marauder platform) Updates For 2004: Minor styling tweaks, revised suspension tuning for improved handling, updated interior features, and introduction of optional THUMS UP steering wheel. Production Manufacturing Location: St. Thomas, Ontario, Canada Production...