🏷️ Basic Information Identification Make: Hyundai Model: Sonata Model Year: 2011 Codes Platform Code: YF 👋 Introduction Market Position Vehicle Segment: Mid-size sedan Target Audience: DIY enthusiasts and professional mechanics Competitive Analysis Key Competitors: Toyota Camry, Honda Accord, Ford Fusion, Chevrolet Malibu Key Features Value Proposition: Cost-effective solution for vehicle maintenance and repair, empowering owners to save on labor costs Manual Utility: Provides comprehensive information for all repair and maintenance needs 📋 Manual Details Coverage Areas Manual Coverage Scope: All models and all engines for the 2011 Hyundai Sonata Page Count Total Pages: 1206 Manual Type Manual Classification: Service and Repair Manual Language Publication Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine repair, rebuild, and diagnostics Engine Electrical: Wiring diagrams, component testing, diagnostic procedures Emission Control: Diagnosis and repair of emission systems Fuel System: Fuel injection, pump, filter, and delivery system service Clutch System: Clutch operation, inspection, and replacement procedures Manual Transaxle: Manual gearbox overhaul, repair, and adjustment Automatic Transaxle: Automatic transmission diagnosis, repair, and fluid service Driveshaft And Axle: CV joints, driveshafts, and axle maintenance and repair Suspension System: Front and rear suspension components, alignment, and service Steering System: Power steering, steering rack, and linkage repair Restraint System: Airbag system diagnosis and safety component service Brake System: Brake pads, rotors, lines, ABS, and parking brake service Body Interior Exterior: Body panel repair, trim, interior components, and exterior fittings Body Electrical: Lighting, power accessories, dashboard, and body control modules HVAC: Heating, ventilation, air conditioning system diagnosis and repair Procedures Included Diagnostic Procedures: Comprehensive diagnostic routines for all systems Repair Procedures: Step-by-step repair instructions for all components Maintenance Procedures: Scheduled maintenance, fluid changes, and component inspection Rebuilding Procedures: Detailed instructions for engine and transmission rebuilds Refurbishment Restoration: Guidance for restoring vehicle components to original specifications Technical Depth Diagnostic Capability: Advanced diagnostic procedures, fault code interpretation Repair Depth: From basic adjustments to complete component overhauls Illustration Detail: Detailed illustrations, diagrams, and hundreds of photos Wiring Schematics: Complete and detailed wiring diagrams for all electrical systems 📊 Manual Specifications File Format Digital Format: PDF Compatibility: Windows, Mac, Linux, iOS, Android Features: Searchable text, bookmark enabled, printable Print Quality Page Quality: High-resolution, clear and legible content Binding Type Delivery Method: Instant Digital Download Paper Type Physical Manual Equivalent: Comparable to high-quality printed service manuals ⚙️ Engine Specifications Primary Engine Engine Options: 2.4L Theta II GDI I4, 2.0L Theta II Turbo GDI I4 (for certain markets/trims) Performance 2.4L Horsepower: Approximately 175-198 hp (depending on specific tuning) 2.4L Torque: Approximately 169-180 lb-ft (depending on specific tuning) 2.0L Turbo Horsepower: Approximately 274 hp 2.0L Turbo Torque: Approximately 269 lb-ft Fuel System Injection Type: Gasoline Direct Injection (GDI) Engine Mechanical Engine Layout: Inline-4 Cylinder 🔧 Transmission Standard Transmission Type Standard: 6-speed Manual Transaxle (common on base models) Optional Transmission Type Optional: 6-speed Automatic Transaxle with Shiftronic Features Automatic Transmission Features: Driver-selectable modes, manual shifting capability (Shiftronic) 📐 Dimensions Exterior Overall Length: Approx. 190.0 inches Overall Width: Approx. 72.1 inches Overall Height: Approx. 57.7 inches Wheelbase: Approx. 110.0 inches Weights Curb Weight Range: Approx. 3,200 - 3,500 lbs (varies by engine and trim) 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 5-Star (for 2011 model year) IIHS Top Safety Pick: Yes (for 2011 model year) Active Features Active Safety Systems: Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control System (TCS) Passive Features Passive Safety Features: Front airbags, front side-impact airbags, side curtain airbags, active front head restraints 💡 Technology Features Infotainment Infotainment System: Available touchscreen audio systems with navigation, Bluetooth connectivity, USB/auxiliary inputs. Driver Assistance Driver Assistance Features: Available rearview camera, parking assist sensors. Connectivity Connectivity Options: Bluetooth for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific interval based on driving conditions, typically 7,500 miles or 12 months for synthetic oil. Tire Rotation Interval: Every 7,500 miles or as recommended in the manual. Spark Plug Replacement: Refer to manual, typically around 100,000 miles for iridium-tipped plugs. Fluid Specifications Engine Oil Type: Refer to manual, typically SAE 0W-20 or 5W-20 Synthetic (API SN or higher). Coolant Type: Ethylene Glycol based coolant, meeting Hyundai specification (e.g., Long Life Coolant). Transmission Fluid Type Automatic: Hyundai Genuine SP-IV Automatic Transmission Fluid (ATF). Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Engine Knocking Noise: Some owners reported engine knocking or pinging noises, potentially related to carbon buildup or fuel quality. The manual provides diagnostic procedures. Steering Noise: Occasional reports of clicking or popping noises from the steering system, often related to CV joints or steering components. Manual covers diagnosis and repair. HVAC System Issues: Reports of HVAC system performance issues, such as reduced cooling or heating, are covered in the manual for diagnosis and component checks. 📚 Vehicle History Brand Heritage Hyundai...