🏷️ Basic Information Identification Make: Kia Model: Optima Year: 2008 Trim: EX Codes Chassis Code: MG 👋 Introduction Market Position Market Segment: Mid-size sedan segment Competitive Analysis Key Competitors: Toyota Camry, Honda Accord, Ford Fusion, Nissan Altima, Chevrolet Malibu Key Features Vehicle Focus: Emphasis on value, comfort, and a good balance of features for the price point Manual Usefulness Target User: Professional technicians and DIY enthusiasts 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair procedures Page Count Page Count: Estimated 1500-2000 pages (typical for full factory service manual) Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF expected) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel system, ignition system, lubrication, cooling, exhaust, emissions control Transmission Systems: Automatic transmission (AT) service, maintenance, and repair Drivetrain Systems: Front-wheel drive (FWD) system, axles, CV joints Suspension Systems: Front and rear suspension components, alignment, steering Brake Systems: Brake system components (discs, pads, calipers, lines), ABS, EBD Electrical Systems: Charging system, starting system, lighting, instruments, body electrical, wiring diagrams HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) system service and repair Body Systems: Body panels, doors, windows, interior trim, glass replacement Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes Repair Procedures: Engine overhaul, transmission overhaul, brake repair, suspension repair, electrical component replacement Troubleshooting: Diagnostic procedures, fault codes interpretation, common issues and solutions Diagnostics: OBD-II diagnostics, sensor testing, actuator testing Engine Mechanical Repair: Engine disassembly, reassembly, valve adjustment, piston ring replacement, cylinder head service Electrical Diagnostics: Wiring diagrams for all major systems, component testing procedures, circuit tracing Body Repair: Body panel alignment, door hinge repair, window regulator replacement, bumper cover repair Technical Depth Technical Depth: Detailed step-by-step repair instructions, torque specifications, clearances, and diagnostic trees 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, clear diagrams and text (for digital display/printing) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: G4KA (2.4L DOHC GDI) Engine Type: Inline 4-cylinder, Naturally Aspirated Displacement: 2359 cc (2.4 Liters) Bore X Stroke: 87.0 mm x 97.0 mm Compression Ratio: 9.1:1 (approx.) Performance Horsepower: 175 hp @ 6000 rpm (approx.) Torque: 169 lb-ft @ 4000 rpm (approx.) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Fuel Type: Unleaded gasoline, 87 octane Valvetrain Valvetrain Design: Dual Overhead Camshafts (DOHC), 16 valves Emission Control Emission System: Catalytic converter, oxygen sensors, EVAP system 🔧 Transmission Standard Transmission Type: 5-speed automatic transmission (5-speed Sportmatic AT) Optional Optional Transmission: None (5-speed AT was standard for EX trim) Features Transmission Features: Driver-adaptive shift control, manual shift mode (Sportmatic) Fluid Specifications Transmission Fluid Type: Kia Genuine ATF SP-III or equivalent DEXRON-III H Fluid Capacity Transmission Fluid Capacity: Approximately 8.0 - 8.5 liters (subject to drain and fill or overhaul) 📐 Dimensions Exterior Length: 4810 mm (189.4 inches) Width: 1830 mm (72.0 inches) Height: 1475 mm (58.1 inches) Wheelbase: 2720 mm (107.1 inches) Weights Curb Weight: Approx. 1500-1550 kg (3300-3420 lbs) Gross Vehicle Weight Rating: Approx. 1990 kg (4387 lbs) Cargo Trunk Capacity: Approx. 430 liters (15.2 cu ft) 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 4 stars (driver), 5 stars (front passenger) IIHS Front Overlap Rating: Good (for vehicles of similar design tested) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), Electronic Stability Control (ESC) Passive Features Passive Safety Features: Front dual-stage airbags, front side-impact airbags, side curtain airbags, active front head restraints Braking System Front Brakes: 12.4-inch ventilated discs Rear Brakes: 11.2-inch solid discs Tire Specifications Standard Tire Size: P215/55R17 (EX trim often came with 17-inch wheels) 💡 Technology Features Infotainment Infotainment System: Standard AM/FM/CD/MP3 audio system, optional Infinity audio system with subwoofer, optional rearview camera Driver Assistance Driver Assistance Features: Cruise control, steering wheel mounted audio controls Connectivity Connectivity Options: Auxiliary audio input jack 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first Air Filter Replacement: Every 30,000 miles Cabin Air Filter Replacement: Every 15,000 miles or 12 months Spark Plug Replacement: Every 105,000 miles (Iridium spark plugs) Timing Belt Replacement: N/A (This engine uses a timing chain) Fluid Specifications Engine Oil Type: SAE 5W-30, API SM or higher (Synthetic blend recommended) Engine Oil Capacity: 4.5 liters (4.8 US quarts) with filter change Coolant Type: Ethylene glycol-based coolant, long-life type (e.g., Hyundai/Kia Super Long Life Coolant, or equivalent) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Issues: Potential for oil consumption in higher mileage engines, interior rattles, occasional ABS sensor failures, transmission shifting concerns 📚 Vehicle History Brand Heritage Brand Origin: South Korea Model Evolution Model Generation: Second generation (2005-2008) Predecessor: Kia Optima (2000-2006) Successor: Kia Optima (2009-2010, a facelift/update) Production Assembly Location:...