🏷️ Basic Information

Make:

Kia

Model:

Sorento

Year:

2012

Engine:

2.4L DOHC GDI

Engine Code:

Theta II GDI (G4KC or similar)

👋 Introduction

Market Position:

The 2012 Kia Sorento, particularly the 2.4L DOHC GDI variant, was positioned as a versatile and value-oriented mid-size crossover SUV, competing in a highly contested segment against models like the Toyota Highlander, Honda Pilot, Ford Edge, and Hyundai Santa Fe.

Competitive Analysis:

The Sorento offered a compelling blend of styling, features, and affordability. Its primary strengths included a well-equipped interior for its price point, a comfortable ride, and a good warranty, making it a strong contender for families and individuals seeking practical transportation.

Key Features:

Standard third-row seating (on most trims), available all-wheel drive (AWD), 2.4L GDI engine offering a balance of power and fuel efficiency, modern interior design, and a suite of available technology features.

📋 Manual Details

Coverage Areas:

All mechanical and electrical systems, bodywork, chassis, diagnostics, troubleshooting, repair procedures, specifications, wiring diagrams.

Page Count:

Estimated 2000+ pages (typical for a comprehensive service manual)

Manual Type:

Service and Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered:

Engine mechanical, engine management (ECU, sensors, actuators), fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission (automatic), drivetrain, suspension, steering, brakes (ABS, EBD), electrical system (lighting, power accessories, charging, starting), climate control, body control modules, safety systems (airbags, seatbelts), diagnostic trouble codes (DTCs), wiring diagrams.

Procedures Included:

Routine maintenance, scheduled service, engine tune-up, component replacement (e.g., spark plugs, filters, belts), troubleshooting and diagnostics, repair of specific systems, body panel repair, electrical component testing and replacement, HVAC service, brake bleeding, wheel alignment, diagnostic scan tool usage.

Technical Depth:

Comprehensive: Covers everything from basic fluid changes and filter replacements to complete engine and transmission overhauls, advanced diagnostic procedures, and detailed electrical troubleshooting with wiring schematics. Suitable for professional technicians and advanced DIY enthusiasts.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, clear text and diagrams suitable for printing.

Binding Type:

Not applicable (digital format)

Paper Type:

Not applicable (digital format)

⚙️ Engine Specifications

Primary Engine:

2.4L Inline-4 DOHC GDI (Gasoline Direct Injection)

Horsepower:

Approximately 175 hp @ 6000 rpm

Torque:

Approximately 169 lb-ft @ 4000 rpm

Fuel System:

Gasoline Direct Injection (GDI)

Fuel Type:

Unleaded Gasoline

Engine Block Material:

Aluminum

Cylinder Head Material:

Aluminum

Valvetrain:

DOHC (Dual Overhead Camshafts) with Variable Valve Timing (VVT)

Bore X Stroke:

88.0 mm x 97.0 mm (approximate)

Compression Ratio:

11.5:1 (approximate)

🔧 Transmission

Transmission Type:

6-speed Automatic Transmission

Optional Transmission:

N/A for this engine variant

Transmission Features:

Electronically controlled, with manual shifting mode (Sportmatic)

Transmission Fluid Type:

Kia SP-IV or equivalent synthetic ATF

📐 Dimensions

Length:

189.4 inches (4811 mm)

Width:

74.2 inches (1885 mm)

Height:

67.3 inches (1709 mm)

Wheelbase:

108.5 inches (2755 mm)

Passenger Volume:

Approximately 144.3 cubic feet (144.3 cu ft)

Cargo Volume Behind 3Rd Row:

Approx. 10.6 cubic feet (300 L)

Cargo Volume Behind 2Nd Row:

Approx. 32.7 cubic feet (926 L)

Cargo Volume Behind 1St Row:

Approx. 75.1 cubic feet (2127 L)

Curb Weight:

Approx. 3,800 - 4,100 lbs (1724 - 1860 kg) depending on drivetrain

Towing Capacity:

Up to 2,000 lbs (907 kg) with the 2.4L engine

🛡️ Safety Features

NHTSA Overall Rating:

4-Star (2012 model year)

IIHS Top Safety Pick:

Yes (for models with optional front crash prevention)

Active Safety Features:

Electronic Stability Control (ESC), Traction Control System (TCS), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist System (BAS), Hill Start Assist Control (HAC), Downhill Brake Control (DBC).

Passive Safety Features:

Front dual-stage airbags, front seat-mounted side airbags, full-length side curtain airbags, active head restraints.

💡 Technology Features

Infotainment System:

Available touchscreen infotainment system with navigation, Bluetooth connectivity, USB/Aux inputs, and premium audio systems (e.g., Infinity).

Driver Assistance Features:

Available rearview camera, parking sensors.

Connectivity:

Bluetooth for hands-free calling and audio streaming, USB and auxiliary input jacks.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 12 months, whichever comes first, using synthetic oil. Check manual for specific conditions.

Engine Air Filter Replacement:

Approximately every 30,000 miles (48,000 km) or as needed based on inspection.

Cabin Air Filter Replacement:

Approximately every 15,000 miles (24,000 km) or 12 months.

Transmission Fluid Change:

Recommended at 60,000 miles (96,000 km) or 48 months for severe driving conditions, or consult manual for normal service.

Engine Oil Spec:

API SN/ILSAC GF-5, SAE 0W-20 (Synthetic recommended for GDI engines)

Coolant Spec:

Ethylene glycol based, long-life coolant (e.g., Kia Super Long Life Coolant)

Brake Fluid Spec:

FMVSS No. 116 DOT 3 or DOT 4

Known Issues:

Potential for oil consumption in some Theta II engines, though less prevalent in GDI variants. Minor electrical gremlins or sensor issues can occur. Catalytic converter concerns have been noted in some Kia models. Refer to manual for specific diagnostic procedures.

📚 Vehicle History

Brand Heritage:

Kia Motors Corporation, founded in 1944, has evolved from a manufacturer of steel tubing and bicycle parts to South Korea's second-largest automaker. Known for its value-driven vehicles and lengthy warranties, Kia has steadily improved its quality and design reputation globally.

Model Evolution:

The 2012 Sorento is part of the second generation (UM), launched in 2009. This generation marked a significant shift from the truck-based body-on-frame construction of the first generation to a unibody platform, offering improved ride comfort, handling, and fuel efficiency. The 2.4L GDI engine was introduced as a more efficient option alongside a V6.

Production Location:

Hwasung, South Korea

Production Years For Second Gen:

2009 - 2015

🏆 Awards & Recognition

Recognitions:

The 2012 Kia Sorento received positive reviews for its value, warranty, and comfortable ride. While not a recipient of specific major awards in its category for this model year, it was consistently ranked as a strong contender for family SUVs.