🏷️ Basic Information Identification Make: Ford Model: Flex Model Years Covered: 2009, 2010, 2011, 2012 Codes Chassis Codes: First Generation (UN171) 👋 Introduction Market Position Segment: Full-size crossover SUV, unique 'sport wagon' styling Competitive Analysis Competitors: Chevrolet Traverse, Buick Enclave, GMC Acadia, Toyota Highlander, Honda Pilot, Mazda CX-9 Key Features Unique Selling Proposition: Distinctive styling, spacious interior, available AWD, multiple engine options, wagon-like versatility in an SUV form factor 📋 Manual Details Coverage Areas Language: English Regions: North America (likely, based on product description focus) Page Count Page Count: Not specified, but implied to be comprehensive Manual Type Manual Type: OEM Workshop Service Repair Manual Format Format: Digital Download (PDF implied by instant download and print capability) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, internal components, cooling system, lubrication system, fuel delivery, exhaust system Engine Electrical: Ignition system, starting system, charging system, engine control modules (ECM), sensor diagnostics Transmission: Automatic transmission (e.g., 6F50/6F55) repair, overhaul, hydraulic systems, electronic controls, fluid specifications Drivetrain: Front-wheel drive (FWD) and All-wheel drive (AWD) systems, differentials, drive axles, CV joints Suspension: Front and rear suspension components, shock absorbers, struts, springs, bushings, alignment specifications Steering: Power steering system, steering rack, tie rods, steering column, hydraulic pump Brakes: Hydraulic brake system, ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake pad/rotor replacement, brake caliper service, bleeding procedures Electrical System: 12V battery, alternator, starter, lighting systems (headlights, taillights, interior), wiring diagrams, fuses, relays, power distribution Body And Chassis: Body panel removal and installation, door mechanisms, interior trim, exterior trim, structural components, collision repair information HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, climate control, refrigerant handling, component replacement (compressor, evaporator, condenser) Restraints: Airbag system (SRS), seatbelts, deployment procedures, diagnostic codes Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, fluid checks), brake servicing, tire rotation, battery maintenance Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting, wiring diagram interpretation Repair: Step-by-step instructions for component removal, disassembly, cleaning, repair, assembly, and installation Diagnostics: Use of diagnostic tools, interpretation of diagnostic trouble codes (DTCs), sensor data analysis Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds, advanced diagnostics, and bodywork) 📊 Manual Specifications File Format File Format: PDF (implied) Print Quality Print Quality: Printable sections, quality suitable for workshop use Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Variant: 3.5L V6 (Duratec 35) Engine 1 Displacement: 3.5 Liters (3496 cc) Engine 1 Horsepower: 262 hp @ 6250 rpm (approx.) Engine 1 Torque: 248 lb-ft @ 4500 rpm (approx.) Engine 1 Configuration: V6, DOHC, 24 Valves Engine 1 Fuel System: Electronic Fuel Injection (EFI) Secondary Engine Engine 2 Variant: 3.7L V6 (Duratec 37) Engine 2 Displacement: 3.7 Liters (3721 cc) Engine 2 Horsepower: 275 hp @ 6250 rpm (approx.) Engine 2 Torque: 270 lb-ft @ 4000 rpm (approx.) Engine 2 Configuration: V6, DOHC, 24 Valves Engine 2 Fuel System: Electronic Fuel Injection (EFI) 🔧 Transmission Standard Transmission Type: 6-speed automatic (6F50/6F55) Optional Drivetrain Options: Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) Features Transmission Features: SelectShift™ capability, adaptive shift control 📐 Dimensions Exterior Length: 202.0 inches Width: 78.2 inches Height: 68.3 inches Wheelbase: 117.9 inches Cargo Cargo Volume Behind 3Rd Row: 20.0 cu ft (approx.) Cargo Volume Behind 2Nd Row: 40.5 cu ft (approx.) Cargo Volume Behind 1St Row: 83.2 cu ft (approx.) Weights Curb Weight FWD: 4,479 lbs (approx. for 3.5L) Curb Weight AWD: 4,655 lbs (approx. for 3.5L) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4 out of 5 stars (for 2009-2012 models) Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Traction Control System (TCS) Electronic Stability Control: Standard AdvanceTrac® with Roll Stability Control (RSC) Passive Features Airbags: Front airbags, front side-impact airbags, Safety Canopy® system (side-curtain airbags for all three rows) 💡 Technology Features Infotainment Available Systems: SYNC® voice-activated communications and entertainment system (available on higher trims), SiriusXM® Satellite Radio, premium audio system options. Driver Assistance Parking Assistance: Rearview camera, ultrasonic parking sensors (available) Connectivity Connectivity Features: Bluetooth® connectivity for hands-free calling and music streaming (with SYNC®) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 to 7,500 miles or 6-12 months, depending on driving conditions (refer to manual for specific recommendations) Tire Rotation Interval: Every 5,000 to 7,500 miles Transmission Fluid Change: Inspect periodically, change based on severe usage (e.g., towing, stop-and-go traffic) or manufacturer recommendation (typically around 60,000-100,000 miles, but consult manual). Fluid Specifications Engine Oil Type 3 5L: SAE 5W-20, meeting Ford specification WSS-M2C153-H Engine Oil Type 3 7L: SAE 5W-20, meeting Ford specification WSS-M2C153-H Coolant Type: Ford Premium Engine Coolant (Green) - meeting WSS-M97B51-A1 Transmission Fluid Type: MERCON® LV Automatic Transmission Fluid (ATF) Known Issues Transmission Performance: Occasional rough shifting or shuddering in the 6-speed automatic transmission can occur; often related to torque converter clutch (TCC)...