🏷️ Basic Information Identification Make: Lincoln Model: Aviator Year: 2004 Generation Generation Designation: UN171 Codes Vin Prefix: 1L 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, Lincoln Aviator owners seeking detailed repair information Competitive Analysis Value Proposition: Provides OEM-level diagnostic and repair data at a fraction of the cost of dealership services. Key Features Digital Format Benefits: Convenient storage on PC, no physical wear and tear, easy printing of required sections. Diagnostic Tools Mention: Crucial for effective troubleshooting and repair, often references specific diagnostic tools or procedures. 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Page Count Estimated Page Count: Extensive (typical factory manuals for this era range from 1500-3000+ pages) Manual Type Type: Factory Service and Repair Manual Language Language: English Format File Format: PDF Digital Delivery: Speed Download 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Engine Control System, Fuel Service, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging Drivetrain Systems: Automatic Transmission, Manual Transmission, Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle Suspension Chassis Systems: Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering Electrical Systems: Electrical, Multiplex/CAN Communication, Ignition Starting Charging, Engine Immobilizer, Cruise Control, Meter Audio/Visual, Horn Body Interior Exterior: Air Conditioning, Supplemental Restraint System (SRS), Seat Belts, Wiper & Washer, Door Locks, Windshield/Glass Mirror, Instrument Panel, Seats, Engine Hood/Doors, Exterior & Interior Trim Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, inspections Repair Procedures: Step-by-step repair instructions for all major and minor components Diagnostic Procedures: Troubleshooting guides, diagnostic trouble codes (DTCs), testing procedures Wiring Schematics: Complete wiring diagrams for all vehicle systems Technical Depth Depth: Factory-level detail, including component removal/installation, adjustments, and specifications 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Printability: Fully printable, allowing users to print specific pages or sections Image Resolution: High resolution for clear viewing and printing of diagrams and illustrations Binding Type Binding Method: Digital (no physical binding) Paper Type Recommended Paper: Standard printer paper (user selectable) File Features Searchability: Likely searchable text within the PDF for quick information retrieval Zoom Capability: Supports zooming for detailed inspection of illustrations and schematics ⚙️ Engine Specifications Primary Engine Engine Code: 4.6L V8 (Modular Engine Family) Engine Displacement: 4.6 liters (281 cubic inches) Cylinder Arrangement: V8 Bore X Stroke: 3.55 in x 3.30 in (90.2 mm x 83.0 mm) Compression Ratio: Approx. 9.4:1 to 9.8:1 (depending on specific variant) Performance Horsepower Output: Approximately 239-242 hp @ 4750-4900 RPM Torque Output: Approximately 282-285 lb-ft @ 3500-3750 RPM Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Unleaded gasoline Emission Control Emission System: Catalytic converters, O2 sensors, EGR (Exhaust Gas Recirculation) Lubrication Oil Capacity: Approximately 6.0 quarts (5.7 liters) with filter Recommended Oil Viscosity: SAE 5W-30 Cooling System Coolant Capacity: Approximately 13.5 quarts (12.8 liters) Coolant Type: Motorcraft® Premium Engine Coolant (Yellow) or equivalent 🔧 Transmission Standard Transmission Transmission Type: 4-speed Automatic Transmission (4R70W or 4R75W variant) Optional Transmission Transmission Type: N/A for 2004 model year Features Transmission Control: Electronic Control Fluid Specifications Transmission Fluid Type: MERCON V Automatic Transmission Fluid Fluid Capacity Transmission Fluid Capacity: Approximately 11.5 quarts (10.9 liters) 📐 Dimensions Exterior Length: Approx. 200.1 inches (5083 mm) Width: Approx. 77.7 inches (1974 mm) Height: Approx. 71.9 inches (1826 mm) Wheelbase: Approx. 119.0 inches (3023 mm) Weights Curb Weight: Approx. 4,900 - 5,100 lbs (2223 - 2313 kg), varies by configuration Gross Vehicle Weight Rating Gvwr: Approx. 6,300 lbs (2858 kg) Cargo Cargo Volume: Approx. 13.7 cubic feet (behind 3rd row), 68.7 cubic feet (with 3rd row folded), 131.4 cubic feet (with 2nd and 3rd rows folded) 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: 5-Star (Driver and Passenger) NHTSA Side Impact Crash Test Rating: 4-Star (Front and Rear Passenger) IIHS Frontal Offset Rating: Good Active Features Traction Control System TCS: Standard Anti-Lock Braking System ABS: Standard, 4-wheel disc brakes Passive Features Airbags: Front airbags, front side-impact airbags, available third-row side curtain airbags Seat Belt Pretensioners: Standard on front seats Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Audio System: Premium audio systems often available, including Nakamichi or THX branded systems. Navigation System: Optional DVD-based navigation system Driver Assistance Parking Assist: Available rear parking assist system Connectivity Power Liftgate: Available power-operated liftgate Comfort Features Climate Control: Dual-zone automatic climate control Seat Features: Heated and cooled front seats, power-adjustable front seats 🔧 Maintenance Service Intervals Oil And Filter Change: Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions) Tire Rotation: Every 7,500 miles Engine Air Filter Replacement: Inspect every 15,000 miles, replace as needed (typically every 30,000 miles) Cabin Air Filter Replacement: Replace every 15,000 miles or annually Fluid Specifications Brake Fluid Type: DOT 3 Power Steering Fluid Type:...