🏷️ Basic Information Identification Make: Kia Model: Optima Year: 2011 Engine: 2.4L Codes Chassis Code: TF Engine Code: Theta II GDI (G4KC for non-GDI, G4KG for GDI) 👋 Introduction Market Position Segment: Mid-size sedan Target Audience: DIY mechanics, independent repair shops, dealership technicians Competitive Analysis Key Competitors: Toyota Camry, Honda Accord, Hyundai Sonata, Ford Fusion Key Features Value Proposition: Provides comprehensive repair and maintenance information typically reserved for dealerships, enabling owners and independent shops to perform professional-level service. Manual Advantage: Includes detailed illustrations, diagrams, and step-by-step procedures for accurate repairs and diagnostics. 📋 Manual Details Coverage Areas Primary Coverage: All major mechanical and electrical systems Secondary Coverage: Bodywork, interior components, diagnostics Page Count Estimated Pages: 2000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, cooling system, fuel system, exhaust system, transmission (automatic and manual if applicable) Chassis: Suspension (front and rear), steering, brakes (front and rear, ABS, EBD), wheels, tires Electrical: Battery, charging system, starting system, ignition system, lighting, instruments, gauges, power accessories, HVAC controls, body control module (BCM) Body And Interior: Body panels, doors, glass, seats, trim, airbags, security system Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement Diagnostics: Troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation, component testing Repair: Engine overhaul, transmission repair, brake component replacement, suspension component repair, electrical component replacement Special Procedures: Timing belt/chain service, clutch replacement, differential service, powertrain control module (PCM) programming/replacement Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostics Level: Detailed diagnostic procedures, including circuit diagrams and resistance values 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Print Readability: High-resolution for clear viewing and printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 4-cylinder Displacement: 2.4 Liters (2359 cc) Bore X Stroke: 88.0 mm x 97.0 mm Compression Ratio: 10.0:1 Valve Train: DOHC, 16 valves, Dual Continuously Variable Valve Timing (CVVT) Performance Horsepower Peak: 175 hp @ 6000 rpm (approximate) Torque Peak: 169 lb-ft @ 4000 rpm (approximate) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) or Gasoline Direct Injection (GDI) depending on specific market variant and engine code Fuel Type: Unleaded Gasoline Recommended Octane: 87 Octane (or as specified in owner's manual) Cooling System Coolant Type: Asian Vehicle Antifreeze/Coolant (50/50 mix with distilled water) Lubrication Oil Type Specification: SAE 0W-20 (API SN or ILSAC GF-5 compliant) Oil Capacity: 4.8 US quarts (4.5 liters) with filter change 🔧 Transmission Standard Transmission Type: 6-Speed Automatic (A6GF1) Optional Transmission Type: 6-Speed Manual (M6GF2) Features Automatic Transmission Features: Sequential manual shifting mode (Sportmatic) Fluid Specifications Automatic Transmission Fluid Type: Kia Genuine ATF SP-IV or equivalent Manual Transmission Fluid Type: API GL-4 SAE 75W-90 Gear Oil 📐 Dimensions Exterior Length: 191.1 inches (4855 mm) Width: 72.1 inches (1830 mm) Height: 57.1 inches (1450 mm) Wheelbase: 110.0 inches (2795 mm) Interior Front Headroom: 40.1 inches (1019 mm) Front Legroom: 45.5 inches (1156 mm) Rear Headroom: 37.7 inches (958 mm) Rear Legroom: 35.4 inches (899 mm) Cargo Trunk Volume: 15.1 cubic feet (428 liters) Weights Curb Weight: 3274 - 3404 lbs (1485 - 1544 kg) (depending on trim and transmission) 🛡️ Safety Features Ratings NHTSA Overall Rating: 4-Star (2011 model year, may vary slightly) IIHS Top Safety Pick: Yes (Good ratings in front, side, rear impact, and roof strength tests) Active Features Electronic Stability Control: Standard (ESC) Traction Control: Standard (TCS) Antilock Brakes: Standard (ABS) with Electronic Brake-force Distribution (EBD) Passive Features Airbags Front: Dual front advanced airbags Airbags Side: Front seat-mounted side airbags, full-length side curtain airbags Seatbelts: 3-point active front seatbelts with pretensioners and load limiters, 3-point rear seatbelts 💡 Technology Features Infotainment Audio System: Available premium audio systems (e.g., Infinity audio system), Bluetooth, USB/Auxiliary inputs. Navigation: Optional navigation system with touchscreen interface. Driver Assistance Backup Camera: Available rearview camera. Parking Sensors: Available rear parking sensors. Connectivity Bluetooth Connectivity: Standard for hands-free calling and audio streaming on most trims. Comfort Features Keyless Entry Start: Available push-button start with smart key. 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions) Engine Air Filter Replacement: 15,000 miles (24,000 km) or 12 months Cabin Air Filter Replacement: 15,000 miles (24,000 km) or 12 months Spark Plug Replacement: 105,000 miles (168,000 km) for iridium plugs Automatic Transmission Fluid Change: 60,000 miles (96,000 km) (severe service) or as per manual recommendations Fluid Specifications Coolant Capacity: Approx. 6.8 US quarts (6.4 liters) Brake Fluid Type: DOT 3 Known Issues Engine Carbon Buildup: Potential for carbon buildup in GDI engines, requiring periodic cleaning. Manual will detail cleaning procedures. Transmission Shifting Harshness: Some reports of...