Market Position:
Mid-size SUV positioned as a value-oriented family vehicle with optional third-row seating and available all-wheel drive, competing with models like the Ford Explorer, Toyota Highlander, and Chevrolet Trailblazer.
Competitive Analysis:
The 2004 Sorento offered a strong combination of features, capability, and pricing, making it an attractive option for budget-conscious buyers seeking a versatile SUV. Its body-on-frame construction provided robustness for towing and off-road use, though it offered a less refined ride compared to unibody competitors.
Key Features:
Available V6 engine, optional 4WD, body-on-frame construction, available third-row seating, generous cargo space, user-friendly controls.
Systems Covered:
Engine mechanical, engine electrical, fuel system, exhaust system, cooling system, lubrication system, starting system, charging system, ignition system, transmission (automatic and manual), drivetrain, suspension, steering, brakes (hydraulic and ABS), climate control, body electrical, lighting, body panels, interior trim, safety systems (airbags, seatbelts), chassis, diagnostics, troubleshooting.
Procedures Included:
Routine maintenance, inspections, adjustments, component removal and installation, diagnostic procedures, troubleshooting flowcharts, wiring diagrams, repair procedures, overhaul instructions, specifications, torque values, and tightening sequences.
Technical Depth:
Comprehensive, covering from basic maintenance and fluid changes to in-depth engine, transmission, and electrical system diagnostics and repair. Includes detailed specifications and procedures for component overhauls and rebuilds.
NHTSA Rollover Rating:
4-Star (Front-wheel drive), 4-Star (Four-wheel drive)
Passive Features:
Dual front airbags, front side-impact airbags, three-point seatbelts with pre-tensioners and load limiters, LATCH child seat anchors, anti-whiplash front head restraints.
Active Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS - often optional or standard on higher trims/4WD), Brake Assist (BA).
Infotainment System:
Standard AM/FM/CD audio system with multiple speakers. Optional premium audio systems and in-dash CD changers were available. Basic climate controls.
Driver Assistance Features:
Cruise control, rear parking sensors (optional on some trims).
Connectivity Options:
Auxiliary input jack for audio devices (optional or on higher trims).
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions). Refer to manual for severe driving conditions.
Engine Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on inspection.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or annually.
Spark Plug Replacement:
Every 90,000 miles (145,000 km) for iridium-tipped plugs (check specific plug type).
Engine Oil Type:
API SJ or higher, SAE 5W-30 (or 10W-30 if temperatures are above 0°F/-18°C). Check dipstick for exact capacity.
Engine Coolant Type:
Ethylene Glycol based coolant, meeting KSM 2142 or equivalent specification (typically a long-life orange or pink coolant).
Transmission Fluid Automatic:
Dexron III or equivalent (e.g., SP-III for some Hyundai/Kia applications, but confirm with manual). Fluid capacity approx. 8.6 L (9.1 quarts) for a drain and fill.
Transmission Fluid Manual:
API GL-4 or GL-5, SAE 75W-90 gear oil. Fluid capacity approx. 2.2 L (2.3 quarts).
Brake Fluid Type:
DOT 3 or DOT 4.
Power Steering Fluid Type:
Dexron III or equivalent. Check reservoir for specific type.
Known Issues:
Potential for oil leaks from valve cover gaskets and oil pan gaskets. Some instances of minor coolant leaks from hoses or the radiator. Brake pad and rotor wear can be average for the class. Some reports of minor electrical gremlins (e.g., power window issues), often related to switch contacts or wiring harnesses. The transfer case in 4WD models may require periodic inspection and fluid changes to prevent wear.
Brand Heritage:
Kia, founded in 1944, evolved from a manufacturer of bicycle parts and steel tubing to South Korea's oldest maker of motor vehicles. Known for offering value-driven vehicles, Kia has grown significantly in global market share through strategic partnerships and product development.
Model Evolution:
The Sorento was Kia's first mid-size SUV, launched in 2002 as a 2003 model. It was designed to compete in the growing SUV market, offering a more truck-like experience with its body-on-frame construction, differentiating it from many crossover competitors. The 2004 model represents the early iteration of this platform.
Production Years:
2002 - 2009 (First Generation)
Manufacturing Locations:
South Korea (primarily Hwasung Plant)
