🏷️ Basic Information

Make:

Kia

Model:

Opirus

Year:

2004

Market Segment:

Full-size Sedan

Body Style:

4-door Sedan

👋 Introduction

Market Position:

The Kia Opirus (known as Kia Amanti in some markets) was Kia's flagship full-size sedan, positioned to compete in the premium segment with established luxury brands. It aimed to offer a luxurious and spacious vehicle at a more accessible price point.

Competitive Analysis:

Competed against vehicles like the Toyota Avalon, Buick LeSabre/Park Avenue, and Lincoln Town Car, as well as lower trims of German luxury sedans. Its value proposition centered on a comfortable ride, extensive features for its price, and a distinctive styling.

Key Features:

Focus on comfort, spacious interior, upscale styling (often compared to Mercedes-Benz designs of the era), and a significant list of standard amenities. The manual provides the means to maintain these features and the complex systems that support them.

📋 Manual Details

Coverage Areas:

General Maintenance, Troubleshooting, Engine, Transmission, Brakes, Wiring Diagrams, Electrical System, Suspension, Lubrication, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, HVAC, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle, and more.

Page Count:

Undisclosed (described as 'hundreds of pages')

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

Downloadable:

Yes, provided as a PDF download.

📖 Manual Coverage

Systems Covered:

Engine (including service/repair, fuel injection, fuel system, emission system, engine control system), Transmission, Brake System, Electrical System (including wiring diagrams), Suspension, Steering, Cooling System, HVAC (Heater/Air Conditioning), Chassis/Body, Restraint System, Interior components, Differential/Drive Axle.

Procedures Included:

Step-by-step repair procedures, detailed substeps, troubleshooting guides, diagnostic procedures for electrical systems, periodic lubrication, general maintenance, complete disassembly and reassembly instructions.

Technical Depth:

Comprehensive factory-level detail suitable for both do-it-yourself enthusiasts and professional mechanics. Includes detailed illustrations, photos, and exploded views.

Diagnostic Tools:

The manual provides information relevant for using OBD-II scanners and specific Kia diagnostic tools for troubleshooting engine and system faults.

Repair Procedures Quality:

Factory-level, detailed, and verified procedures with critical notes, cautions, and warnings highlighted.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, allowing for clear printing of individual pages or the entire manual.

Binding Type:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

Searchability:

Likely searchable based on PDF format, though not explicitly stated.

Delivery Method:

Instant PDF download link provided on the checkout page after payment.

Software Requirements:

Adobe PDF Reader.

Printability:

Printable without any restriction.

⚙️ Engine Specifications

Primary Engine:

3.5L V6 DOHC (Sigma engine family)

Horsepower:

Approx. 200-204 hp @ 5500-5800 rpm (market dependent)

Torque:

Approx. 217-220 lb-ft @ 3000-3500 rpm (market dependent)

Fuel System:

Multi-point Fuel Injection (MPI)

Engine Management:

Engine Control Unit (ECU) controlling fuel delivery, ignition timing, and emissions.

Engine Codes:

G6CU (common for 3.5L V6)

Cooling System Type:

Pressurized liquid cooling system with radiator, water pump, thermostat, and expansion tank.

🔧 Transmission

Standard:

5-speed Automatic Transmission

Optional:

Not Applicable for 2004 model year (only automatic was offered)

Features:

Electronically controlled, likely with adaptive shift logic. Manual covers diagnostic and repair procedures for this unit.

Gear Ratios:

Specific gear ratios for each of the 5 speeds are detailed within the manual for diagnostics and repair.

📐 Dimensions

Length:

Approx. 5019 mm (197.6 in)

Width:

Approx. 1870 mm (73.6 in)

Height:

Approx. 1485 mm (58.5 in)

Wheelbase:

Approx. 2800 mm (110.2 in)

Curb Weight:

Approx. 1670-1750 kg (3680-3860 lbs), varies by trim and options.

Passenger Volume:

Large interior cabin characteristic of a full-size sedan, providing ample legroom and headroom.

🛡️ Safety Features

NHTSA Front Impact Driver:

Likely 4-star (based on typical ratings for vehicles of this class and era).

NHTSA Front Impact Passenger:

Likely 4-star (based on typical ratings for vehicles of this class and era).

Active Features:

Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control System (TCS).

Passive Features:

Front airbags, front side airbags, available curtain airbags, pretensioner seatbelts.

Restraint System:

Covers SRS (Supplemental Restraint System) components, airbags, seatbelts, and control modules.

Braking System Type:

Front: Ventilated Discs, Rear: Solid Discs (typical for the era and vehicle class). ABS is standard.

💡 Technology Features

Infotainment:

Likely included features such as AM/FM/CD stereo system, potentially with a premium audio option. The manual would cover the removal, installation, and basic troubleshooting of these components.

Driver Assistance:

Features such as Cruise Control, ABS, ESC, and TCS are covered. The manual details their operation and diagnostic procedures.

Connectivity:

Basic connectivity features such as power windows, power locks, and remote keyless entry would be covered in the electrical system section.

Lighting System:

Covers headlight, taillight, interior lighting, and accessory lighting systems, including bulb replacement and circuit diagnostics.

Climate Control Type:

Automatic Climate Control with independent driver/passenger temperature settings.

🔧 Maintenance

Service Intervals:

The manual provides detailed schedules for routine maintenance, including oil changes, filter replacements, fluid checks, and inspections at specified mileage or time intervals (e.g., 7,500 miles / 6 months for oil changes, 30,000 miles for transmission fluid and spark plug inspection, etc. Specifics are within the manual).

Engine Oil:

Refer to manual for specific viscosity grade (e.g., 5W-30 or 5W-40 API certified) and capacity. Likely around 4.5-5.0 quarts with filter.

Transmission Fluid:

Refer to manual for specific ATF type (e.g., SP-III or equivalent) and capacity for drain and fill, and overhaul. Likely around 4.0-4.5 quarts for drain and fill.

Coolant:

Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Capacity around 8-9 liters.

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

Known Issues:

Potential for minor electrical gremlins, HVAC system issues (blower motor resistors, blend door actuators), and transmission shift quality degradation over time. The manual is crucial for diagnosing and rectifying these.

Parts Identification:

The manual's detailed illustrations and exploded views assist in identifying correct replacement parts.

Tire Specifications:

Refer to manual for specific tire sizes and inflation pressures (e.g., 225/55R17 or similar).

Wheel Bolt Pattern:

Likely 5x114.3 mm (5x4.5 inches).

📚 Vehicle History

Brand Heritage:

Kia, founded in 1944, evolved from a manufacturer of motorcycle parts and bicycles to become a prominent global automotive producer. The Opirus represented Kia's ambition to move into more premium market segments.

Model Evolution:

The Opirus was introduced in 2003 as Kia's first flagship full-size sedan. It was based on the platform shared with the Hyundai Grandeur XG. The 2004 model year represents one of the earlier iterations of this platform, with subsequent facelifts and updates in later years (though this manual specifically covers 2004).

Production Locations:

Primarily South Korea.

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2004 Opirus are not prominently documented, it was part of Kia's growing presence in international markets and contributed to Kia's reputation for offering value and features.