The 2003 Kia Sephia, part of the Second Generation (GD) with chassis code FB, represents an affordable and reliable entry-level compact car. This vehicle, available in both 4-door sedan and 5-door hatchback body styles, typically features an inline 4-cylinder engine producing approximately 90-120 horsepower and 90-115 lb-ft of torque, paired with either a 5-speed manual or an electronically controlled 4-speed automatic transaxle. Standard safety equipment includes driver and passenger frontal airbags, with optional Anti-lock Braking System (ABS) available on certain trims. The Sephia was designed to offer practical transportation, with a focus on value and essential features. This comprehensive workshop service repair manual in English provides detailed information for the 2003 Kia Sephia. It covers essential areas such as engine mechanical and electrical systems, emission control, fuel system, clutch, transaxles (manual and automatic), driveshaft, suspension, steering, brake system, restraint systems, body interior and exterior, body electrical, and HVAC. The manual includes step-by-step repair and component replacement procedures, troubleshooting guides, diagnostic information, and wiring schematics, making it an invaluable resource for owners, independent auto service professionals, and authorized dealer technicians. 🏷️ Basic Information Identification Make: Kia Model: Sephia Year: 2003 Generation Generation: Second Generation (GD) Codes Chassis Code: FB 👋 Introduction Market Position Positioning: Provides comprehensive, dealer-level repair information for the 2003 Kia Sephia. Competitive Analysis Competitiveness: Offers detailed, vehicle-specific guidance surpassing generic repair advice, enabling cost savings for owners. Key Features Unique Selling Proposition: Vehicle-specific information, step-by-step instructions with diagrams/illustrations, electrical schematics, and essential specifications. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Troubleshooting, Diagnostics Secondary Coverage: Maintenance, Specifications, Wiring Diagrams Page Count Estimated Page Count: Extensive (Specific count not provided, but described as comprehensive) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Yes Engine Electrical: Yes Emission Control: Yes Fuel System: Yes Clutch System: Yes Manual Transaxle: Yes Automatic Transaxle: Yes Driveshaft Axle: Yes Suspension: Yes Steering: Yes Restraint System: Yes Brake System: Yes Body Interior Exterior: Yes Body Electrical: Yes HVAC: Yes Procedures Included Maintenance: Yes (Oil change, spark plug, air filter, etc.) Troubleshooting: Yes Repair: Yes (Step-by-step instructions) Diagnostics: Yes Component Replacement: Yes Wiring Schematics: Yes Technical Depth Depth: Comprehensive (Dealer-level procedures) Target Audience: Owner with basic mechanical skills, Independent Auto Service Professionals, Authorized Dealer Technicians 📊 Manual Specifications File Format Compatibility: All Versions of Windows and Mac Print Quality Printability: Yes (All pages printable) Binding Type Binding: Digital (PDF download) Paper Type Paper Type Analogous: N/A (Digital file) Requirements Software Requirements: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder (Likely 1.5L or 1.8L based on typical Sephia offerings for this era) Performance Horsepower Range: Approx. 90-120 HP (Varies by specific engine displacement) Torque Range: Approx. 90-115 lb-ft (Varies by specific engine displacement) Fuel System Fuel Delivery: Multi-Port Fuel Injection (MPI) Engine Mechanical Valvetrain: DOHC (Dual Overhead Camshafts) Engine Electrical Ignition System: Electronic Ignition 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Transaxle Optional Transmission Type Optional: 4-Speed Automatic Transaxle Features Automatic Features: Electronically Controlled 📐 Dimensions Exterior Body Styles: 4-Door Sedan, 5-Door Hatchback Weights Curb Weight Range: Approx. 2500-2700 lbs 🛡️ Safety Features Ratings NHTSA Ratings: Not extensively documented for this specific model year, but typical for its class. Active Features ABS: Available (Optional on some trims) Passive Features Airbags: Driver and Passenger Frontal Airbags (Standard) 💡 Technology Features Infotainment Audio System: Basic AM/FM/Cassette or CD Player Driver Assistance Cruise Control: Available (Optional on some trims) Connectivity Power Windows Locks: Available (Optional on lower trims, standard on higher trims) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (Typically 3,000-5,000 miles or 6 months, whichever comes first) Engine Oil Type: Refer to manual (Likely 5W-30 or 10W-30 API Service SG or higher) Coolant Type: Refer to manual (Likely Ethylene Glycol based, OAT or HOAT) Fluid Specifications Brake Fluid Type: Refer to manual (Likely DOT 3) Transmission Fluid Manual: Refer to manual (GL-4 Gear Oil) Transmission Fluid Automatic: Refer to manual (Likely ATF SP-III or equivalent) Known Issues Common Problems General: Potential for ignition system issues (coils, plugs), catalytic converter failures, and HVAC blower motor resistor problems. Suspension component wear. 📚 Vehicle History Brand Heritage Brand Origin: South Korea Model Evolution Model Timeline: First generation 1994-1997, Second generation (GD) 1997-2004 (with facelift in 2001). Production Production Period: 1997-2004 (for Second Generation) 🏆 Awards & Recognition Recognitions General Reputation: The Sephia was generally positioned as an affordable, entry-level compact car.