The 2016 Kia Optima Hybrid, chassis code JF, is a mid-size sedan renowned for its blend of sporty design, advanced hybrid technology, and impressive fuel efficiency, often achieving around 39 MPG combined. This fourth-generation model features a proprietary parallel hybrid system, integrating a 2.4L Theta II gasoline direct injection engine (GDI) with an electric motor to provide smooth power delivery and effective regenerative braking. With a combined system output of approximately 190-200 horsepower, the Optima Hybrid offers a comfortable and economical driving experience, competing effectively in its segment with features like the UVO infotainment system and available advanced driver-assistance systems. This comprehensive service repair workshop manual provides in-depth technical information for the 2016 Kia Optima Hybrid. It covers all essential aspects of vehicle maintenance, diagnosis, and repair, including detailed procedures for the internal combustion engine, the hybrid powertrain control module, the high-voltage battery pack, and the electric motor. The manual also addresses the transmission, braking system with regenerative capabilities, steering, suspension, cooling and fuel systems, and the complete electrical system, complete with extensive wiring diagrams. It is an invaluable resource for professional mechanics, DIY enthusiasts, and technicians seeking to maintain and repair this vehicle efficiently and accurately. 🏷️ Basic Information Identification Make: Kia Model: Optima Hybrid Year: 2016 Codes Chassis Code: JF (for 4th Generation Optima) Engine Code Primary Hybrid: G4NB (2.4L Theta II Hybrid) 👋 Introduction Market Position Segment: Mid-size sedan, focusing on fuel efficiency and hybrid technology. Competitive Analysis Competitors: Toyota Camry Hybrid, Ford Fusion Hybrid, Honda Accord Hybrid, Hyundai Sonata Hybrid. Key Features Vehicle Hybrid System: Kia's proprietary parallel hybrid system, offering smooth transitions between electric and gasoline power, and effective regenerative braking. Design Aesthetics: Sporty and modern design, a hallmark of the 4th generation Optima (JF). Manual Value Proposition Target Audience: Professional mechanics, DIY enthusiasts, fleet maintenance technicians, and anyone needing in-depth repair knowledge. 📋 Manual Details Coverage Areas General Coverage: Comprehensive service and repair information for the 2016 Kia Optima Hybrid. Specific Systems: Engine (internal combustion and electric), hybrid powertrain control module, battery pack, electric motor, transmission (hybrid specific), braking system (regenerative and friction), steering, suspension, HVAC, fuel system, cooling system, electrical system, body and chassis, interior, infotainment, safety systems. Page Count Estimated Pages: 2000-3000+ (estimated based on typical comprehensive service manuals) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain Hybrid: Detailed diagnosis, repair, and overhaul procedures for the hybrid electric powertrain, including the electric motor, hybrid control unit, high-voltage battery system, and power split device. Engine Internal Combustion: Full coverage of the 2.4L Theta II GDI engine, including timing, valve train, lubrication, fuel delivery, ignition, emission controls, and cooling. Electrical System: Extensive wiring diagrams, component locations, diagnostic procedures, and repair instructions for all electrical systems, including the 12V system and the high-voltage hybrid system. Braking System: Service procedures for both conventional friction brakes and the integrated regenerative braking system, including ABS, ESC, and brake fluid replacement. Chassis Suspension Steering: Repair and replacement procedures for all suspension components (struts, shocks, bushings, control arms), steering system (rack and pinion, power steering), and wheel alignment specifications. Procedures Included Maintenance: Scheduled maintenance intervals, fluid type and capacity specifications, filter replacement procedures (oil, air, cabin), spark plug replacement, and battery checks. Diagnostics Troubleshooting: Systematic diagnostic flowcharts, fault code (DTC) explanations and remedies, symptom-based troubleshooting guides, and procedures for using diagnostic scan tools. Repair Overhaul: Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation for virtually all vehicle systems. Hybrid Specific Procedures: Detailed instructions for safely working with high-voltage components, hybrid battery diagnostics and replacement, hybrid system calibration, and electric motor service. Technical Depth Depth: Extremely high. Covers everything from basic fluid changes to complete engine and hybrid system rebuilds, including electrical system diagnosis and component-level repairs. 📊 Manual Specifications File Format Format: PDF Searchability: Typically text-searchable for easy information retrieval. Print Quality Quality: High-resolution, optimized for clear viewing and printing of diagrams and text. Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type Gasoline: 2.4L Inline-4 (Theta II) Fuel Delivery: Gasoline Direct Injection (GDI) Engine Displacement: 2359 cc (2.4 Liters) Engine Code: G4NB Performance Combined System Horsepower: Approx. 190-200 hp (gasoline engine + electric motor combined output) Gasoline Engine Horsepower: Approx. 158 hp @ 5500 rpm Gasoline Engine Torque: Approx. 154 lb-ft @ 4500 rpm Electric Motor Power: Approx. 50 hp Hybrid Battery Type: Lithium Polymer (Li-Po) Fuel System Fuel Type: Unleaded Gasoline Fuel Tank Capacity: 18.5 US gallons 🔧 Transmission Standard Transmission Type: 6-Speed Automatic with Sportmatic (Hybrid-specific design) Optional Optional Transmissions: None (Hybrid exclusively uses the 6-speed automatic) Features Hybrid Integration: Integrated with the electric motor and power split device for seamless operation. Transmission Fluid Type: Kia SPII (or equivalent specified by Kia...