🏷️ Basic Information Identification Make: Ford Model: Flex Year: 2009, 2010, 2011, 2012 Generation First Generation Codes: UN177 👋 Introduction Market Position Segment: Full-size Crossover SUV Target Audience: Families, individuals seeking versatile and comfortable transportation Competitive Analysis Key Competitors: Chevrolet Traverse, Buick Enclave, Honda Pilot, Toyota Highlander, Mazda CX-9 Key Features Design: Distinctive, boxy, wagon-like styling; spacious interior; three-row seating Utility: Ample cargo space, comfortable ride, available all-wheel drive 📋 Manual Details Coverage Areas Geographical Coverage: Global (OEM specifications) Page Count Estimated Page Count: Thousands (Printable pages) Manual Type Type: OEM Workshop Service Repair Manual Language Language: English Format Format: PDF (Printable, potentially zipped for larger files) 📖 Manual Coverage Systems Covered Powertrain: Engine (2.9L, 3.5L, 3.5L EcoBoost), Transmission (6-speed automatic), Drivetrain (FWD, AWD) Chassis: Suspension (Front & Rear), Steering, Brakes (Front & Rear Disc, ABS), Wheels & Tires Electrical: Wiring Diagrams, Lighting, Instrumentation, Power Distribution, Body Electrical, Powertrain Control Modules (PCM), Transmission Control Modules (TCM) Body: Body Panels, Interior Trim, Seats, Doors, Glass, HVAC System, Exterior Trim Procedures Included Maintenance: Scheduled maintenance, Fluid changes (oil, coolant, brake, transmission), Filter replacements (oil, air, cabin), Tire rotation, Spark plug replacement, Belt inspection/replacement Repair: Engine repair (disassembly, assembly, component replacement), Transmission repair, Brake system repair, Suspension component replacement, Steering system repair, Electrical component diagnosis and replacement, HVAC system repair, Body panel repair and replacement Diagnostics: Troubleshooting guides, Diagnostic Trouble Codes (DTCs), Electrical system diagnostics, Engine performance diagnostics, Transmission diagnostics Technical Depth Depth: Comprehensive (from basic maintenance to major component overhaul and electrical system diagnostics) 📊 Manual Specifications File Format Digital Format: PDF Print Quality Quality: High Quality (printable) Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1: 3.5L Duratec V6 Engine 1 Displacement: 3.5 Liters Engine 1 Cylinders: 6 Engine 1 Configuration: V6 Engine 1 Horsepower 2009 2010: 262 hp @ 6250 rpm Engine 1 Torque 2009 2010: 248 lb-ft @ 4500 rpm Engine 1 Horsepower 2011 2012: 260 hp @ 6250 rpm Engine 1 Torque 2011 2012: 248 lb-ft @ 4500 rpm Performance Engine 2: 3.5L EcoBoost V6 (Optional) Engine 2 Displacement: 3.5 Liters Engine 2 Configuration: Twin-turbocharged V6 Engine 2 Horsepower: 355 hp @ 5700 rpm Engine 2 Torque: 350 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: Regular Unleaded (3.5L V6), Premium Unleaded Recommended for EcoBoost (3.5L EcoBoost V6) 🔧 Transmission Standard Transmission Type: 6-Speed SelectShift Automatic Optional Drivetrain: Front-Wheel Drive (FWD), All-Wheel Drive (AWD) Features Shift Modes: Driver-selectable manual shifting 📐 Dimensions Exterior Length: 201.8 inches Width: 78.2 inches Height: 69.1 inches Wheelbase: 117.9 inches Cargo Cargo Volume Behind 3Rd Row: 20.0 cu ft Cargo Volume Behind 2Nd Row: 40.3 cu ft Cargo Volume Behind 1St Row: 83.2 cu ft Weights Curb Weight FWD: 4,403 - 4,534 lbs (depending on engine) Curb Weight AWD: 4,597 - 4,783 lbs (depending on engine) Towing Capacity: 2,000 lbs (standard), 5,000 lbs (with trailer tow package) 🛡️ Safety Features Ratings NHTSA Frontal Crash Driver: 5-Star NHTSA Frontal Crash Passenger: 5-Star NHTSA Side Crash Driver: 5-Star NHTSA Side Crash Passenger: 5-Star NHTSA Rollover Resistance: 4-Star Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Electronic Stability Control: Standard Electronic Stability Control (AdvanceTrac) Passive Features Airbags: Front airbags, Side curtain airbags (all rows), Front side airbags 💡 Technology Features Infotainment Available Systems: Ford SYNC (voice recognition, Bluetooth), Sony Premium Audio System Display: Optional 8-inch touchscreen display (MyFord Touch on later models) Driver Assistance Available Features: Rearview camera, Reverse sensing system, Adaptive cruise control (later models) Connectivity Usb Ports: Available USB ports for device charging and media playback. 🔧 Maintenance Service Intervals Engine Oil Change: Every 7,500 miles or 12 months (synthetic blend) Engine Air Filter Replacement: Every 30,000 miles or 24 months Cabin Air Filter Replacement: Every 15,000 miles or 12 months Transmission Fluid Change: Every 100,000 miles (normal service), inspect more frequently under severe conditions. Fluid Specifications Engine Oil: SAE 5W-20 (API SN certified), Motorcraft SAE 5W-20 Synthetic Blend Coolant: Motorcraft Gold Engine Coolant (Melting Point: -34°F, Boiling Point: 265°F) Brake Fluid: DOT 3 Motorcraft High Performance DOT 3 Motor Vehicle Brake Fluid Transmission Fluid: Mercon LV (Automatic Transmission Fluid) Known Issues Engine Mounts: Premature failure of engine mounts, especially on the 3.5L V6, leading to vibrations. Transmission Shudder: Some owners report transmission shudder or rough shifting, particularly in earlier models, often resolvable with software updates or fluid changes. HVAC Blend Door Actuator: Failure of HVAC blend door actuators can lead to improper temperature control or air direction. Power Steering Pump: Early models may exhibit issues with the power steering pump, leading to noise or loss of assist. 📚 Vehicle History Brand Heritage Manufacturer Origin: United States Model Evolution Introduction Year: 2009 Platform: Ford D4 platform Design Philosophy: Focus on...