🏷️ Basic Information Identification Make: Kia Model: Opirus Year: 2004 Market Segment: Full-size Sedan Generation Generation Code: First Generation (GH) 👋 Introduction Market Position Segment: Luxury Full-Size Sedan Competitive Analysis Key Competitors: Hyundai Grandeur (shared platform), Lexus ES, Toyota Avalon, Buick Park Avenue, Chrysler 300 Key Features Design Philosophy: European styling influences, focus on comfort and quietness, premium interior appointments Manual Advantage: Empowers owners to perform maintenance and repairs, saving costs and ensuring proper upkeep 📋 Manual Details Coverage Areas General Coverage: All Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Extensive (hundreds of pages) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service And Repair: Yes Transmission Service And Repair: Yes Brake System: Yes Electrical System: Yes Wiring Diagrams: Yes Suspension: Yes Steering: Yes Cooling System: Yes Fuel Injection And Fuel System: Yes Emission System: Yes HVAC Heater And Air Conditioning: Yes Engine Control System: Yes Chassis And Body: Yes Restraint System Airbags: Yes Interior Components: Yes Differential And Drive Axles: Yes Periodic Lubrication Schedule: Yes Procedures Included General Maintenance: Yes Troubleshooting: Yes Diagnostic Procedures: Yes Repair Procedures: Yes Disassembly And Assembly: Yes Cleaning And Reinstallation: Yes Detailed Substeps: Yes Numbered Instructions: Yes Technical Depth Depth: Comprehensive (professional technician level) 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full Printable Zoom Functionality: Yes (Zoom IN/OUT) Binding Type Binding: Digital Download (No physical binding) Paper Type Paper Type: N/A (Digital) Requirements Software Requirements: Adobe PDF Reader & WinZip Operating System Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: V6, Multi-Valve Displacement: Approximately 3.5 Liters (3497 cc) Engine Code: G6CU (common for this generation) Performance Horsepower Approx: 200 - 217 hp Torque Approx: 220 - 235 lb-ft Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) 🔧 Transmission Standard Transmission Type: 5-Speed Automatic Optional Optional Transmission: N/A (Automatic was standard for most markets) Features Transmission Features: Electronically controlled, adaptive shift logic 📐 Dimensions Exterior Length: Approximately 4950 mm (194.9 inches) Width: Approximately 1870 mm (73.6 inches) Height: Approximately 1485 mm (58.5 inches) Wheelbase: Approximately 2800 mm (110.2 inches) Weights Curb Weight Approx: 1650 - 1750 kg (3638 - 3858 lbs) 🛡️ Safety Features Ratings NHTSA Frontal Crash Rating: Not specifically rated by NHTSA for this year/model in many markets, but generally considered safe for its class. Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Often standard or optional (TCS) Electronic Stability Control: Optional or standard depending on trim and market Passive Features Airbags: Front, side, and curtain airbags (depending on trim) Seatbelts: Three-point seatbelts with pretensioners 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD player, optional premium audio system (e.g., Bose) Navigation: Optional factory navigation system Driver Assistance Cruise Control: Standard Parking Assistance: Rear parking sensors (optional on some trims) 🔧 Maintenance Service Intervals Oil Change Interval Approx: Every 7,500 miles (12,000 km) or 6 months, whichever comes first (synthetic recommended) Engine Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on driving conditions Cabin Air Filter Replacement: Every 15,000 - 20,000 miles (24,000 - 32,000 km) Transmission Fluid Change: Every 45,000 - 60,000 miles (72,000 - 96,000 km) or as per manual recommendation Fluid Specifications Engine Oil Type: API SN or ILSAC GF-5, SAE 5W-30 (refer to manual for exact specification) Coolant Type: Ethylene glycol-based, OAT (Organic Acid Technology) coolant, typically red or pink Transmission Fluid Type: ATF SP-III (or equivalent approved for Hyundai/Kia) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Wear Items: Suspension bushings, control arms, front sway bar links, exhaust system components due to age Engine Performance: Occasional minor oil leaks from valve cover gaskets or oil pan; carbon buildup on intake valves in high-mileage vehicles Electrical System: Corrosion on ground points, potential issues with door lock actuators or window regulators 📚 Vehicle History Brand Heritage Brand Focus: Kia's transition towards more upmarket and larger vehicles, leveraging global partnerships (Hyundai) Model Evolution Development Basis: Based on the Hyundai Grandeur platform, designed with significant European influence in styling and tuning. Production Production Years: 2003-2011 Manufacturing Location: South Korea 🏆 Awards & Recognition Recognitions Initial Reception: Praised for its comfortable ride, spacious interior, and attractive styling for its price point, though some critics noted its performance and handling weren't as sharp as some European rivals.