KIA Sorento 2.4L DOHC 2012 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Kia Model: Sorento Year: 2012 Engine: 2.4L DOHC GDI (Theta II) Codes Engine Code: G4KJ (likely) Chassis Code: UM 👋 Introduction Market Position Segment: Mid-size...

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Description

🏷️ Basic Information

Identification

Make:

Model:

Sorento

Year:

Engine:

2.4L DOHC GDI (Theta II)

Codes

Engine Code:

G4KJ (likely)

Chassis Code:

👋 Introduction

Market Position

Segment:

Mid-size Crossover SUV

Target Audience:

Families, individuals seeking versatility and a comfortable ride.

Competitive Analysis

Competitors:

Toyota Highlander, Honda Pilot, Ford Explorer, Nissan Pathfinder, Hyundai Santa Fe.

Key Features

Vehicle Architecture:

Unibody construction, front-engine, FWD or AWD drivetrain.

Design Philosophy:

Sporty styling, comfortable interior, focus on value and practicality.

Engine Variant Focus:

Specific focus on the widely adopted 2.4L DOHC GDI engine.

📋 Manual Details

Coverage Areas

Coverage:

Comprehensive mechanical and electrical repair, maintenance, and troubleshooting for the 2012 Kia Sorento 2.4L DOHC model.

Page Count

Page Count:

Estimated 2000+ pages (typical for comprehensive workshop manuals of this era)

Manual Type

Manual Type:

Workshop Service and Repair Manual

Language

Language:

English

Format

Format:

Digital PDF

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, cylinder head, block, pistons, rings, crankshaft, camshafts, timing system (belt/chain), lubrication system, cooling system.

Engine Management:

Fuel injection (GDI), ignition system, emissions control (catalytic converter, EVAP), sensors, actuators, ECU diagnostics, engine control strategies.

Transmission:

6-speed automatic transmission (A6LF2 likely): overhaul, fluid and filter service, torque converter, solenoids, electronic control.

Drivetrain:

Front-wheel drive (FWD) and All-wheel drive (AWD) systems: drive axles, CV joints, differentials, transfer case (AWD), propeller shaft.

Suspension:

Front and rear suspension components: struts, shocks, springs, control arms, bushings, ball joints, stabilizer bars, alignment specifications.

Steering:

Power steering system (hydraulic or electric assist likely): steering rack, tie rods, power steering pump/motor, fluid specifications.

Brakes:

Front and rear disc brakes, ABS, EBD, ESC systems: brake pads, rotors, calipers, master cylinder, brake lines, bleeding procedures, diagnostic trouble codes.

Electrical System:

12V battery, charging system (alternator), starting system (starter motor), fuses, relays, wiring diagrams, lighting systems, horn.

Body And Interior:

Body panels, doors, windows, mirrors, seats, dashboard, trim, HVAC system (heating, ventilation, air conditioning), interior components.

Climate Control:

HVAC system operation, refrigerant handling, compressor, condenser, evaporator, blower motor, control panel, diagnostic procedures.

Safety Systems:

Airbag system (SRS), seat belts, occupant restraint systems, sensors, diagnostic and reset procedures.

Infotainment And Navigation:

Audio system, navigation unit, display, speakers, connectivity features (Bluetooth, USB), troubleshooting.

Procedures Included

Preventive Maintenance:

Oil changes, filter replacements, fluid checks and changes, tire rotations, brake inspections, spark plug replacement, drive belt checks.

Troubleshooting Guides:

Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting, wiring diagram interpretation.

Repair Procedures:

Detailed step-by-step instructions for component removal, installation, and repair, including specialized tools required.

Torque Specifications:

Exact torque values for all critical fasteners across engine, chassis, and body components.

Diagnostic Trouble Codes:

List of OBD-II DTCs, their definitions, possible causes, and diagnostic steps.

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all vehicle systems, including component locations and connector pinouts.

Schematics:

System schematics for electrical and hydraulic circuits.

Technical Depth

Depth:

Professional-level repair and diagnostic information, suitable for trained technicians and advanced DIY enthusiasts.

Diagnostic Tools:

Information on using diagnostic scan tools (e.g., GDS Lite/KDS), multimeter, oscilloscope, and specialized Kia tools.

Rebuild Procedures:

Detailed instructions for major component overhauls, including engine and transmission rebuilds.

📊 Manual Specifications

File Format

File Type:

Searchability:

Fully searchable text for quick information retrieval.

Print Quality

Print Readability:

High-resolution scans suitable for printing individual pages or the entire manual.

Binding Type

Binding Type:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Name:

Theta II

Engine Type:

Naturally Aspirated Inline-4 (I4)

Displacement:

2359 cc (2.4 Liters)

Bore X Stroke:

91.0 mm x 92.0 mm

Compression Ratio:

11.3:1

Valvetrain:

DOHC (Dual Overhead Camshafts), 16 valves, Dual Continuously Variable Valve Timing (CVVT)

Performance

Horsepower:

175 hp @ 6000 rpm (approx.)

Torque:

169 lb-ft @ 4000 rpm (approx.)

Fuel System

Fuel Delivery:

Gasoline Direct Injection (GDI)

Fuel Type:

Unleaded gasoline, 87 octane recommended

Emissions Control:

Catalytic converter, Oxygen sensors, EVAP system

🔧 Transmission

Standard

Transmission Type:

6-speed Automatic (A6LF2)

Gear Ratios:

Refer to manual for specific ratios

Optional

Transmission Type:

N/A for 2.4L DOHC model in 2012 (3.5L V6 likely had A6GF1)

Features

Transmission Control:

Electronic control with adaptive shift logic, manual shift mode (Sportmatic)

Transmission Fluid Type:

Kia SPIIIL (or equivalent)

📐 Dimensions

Exterior

Length:

189.4 inches

Width:

74.2 inches

Height:

68.1 inches

Wheelbase:

108.3 inches

Weights

Curb Weight:

Approx. 3,800 - 4,000 lbs (FWD/AWD)

Gross Vehicle Weight Rating:

Refer to vehicle VIN plate

Towing Capacity:

Up to 2,000 lbs (2.4L), 3,500 lbs (3.5L V6)

Cargo

Cargo Volume Behind 2Nd Row:

Approx. 31.7 cu ft

Cargo Volume Behind 3Rd Row:

Approx. 9.6 cu ft (if equipped with 3rd row)

🛡️ Safety Features

Ratings

NHTSA Overall Rating:

Typically 4 or 5 Stars (refer to specific year/test data)

IIHS Top Safety Pick:

Potentially awarded (check specific year ratings)

Active Features

Active Safety Systems:

ABS, EBD, ESC (Electronic Stability Control), Traction Control System (TCS), HAC (Hill-start Assist Control), DBC (Downhill Brake Control)

Passive Features

Airbags:

Front dual-stage airbags, front side-impact airbags, side curtain airbags (front and second row).

Seat Belts:

3-point seat belts with pretensioners and load limiters for all occupants, LATCH child seat anchors.

💡 Technology Features

Infotainment

Infotainment System:

Optional UVO infotainment system with touchscreen, Bluetooth, USB, auxiliary input.

Driver Assistance

Driver Assistance Features:

Backup camera, parking sensors (optional), cruise control.

Connectivity

Connectivity Options:

Bluetooth for hands-free calling and audio streaming, USB connectivity for media playback and charging.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000 miles or 6 months (severe duty); 7,500 miles or 12 months (normal duty) - refer to manual for specifics.

Engine Air Filter:

Inspect every 7,500 miles, replace as needed or per manual schedule (e.g., 15,000-30,000 miles).

Cabin Air Filter:

Replace every 15,000 miles or 1 year.

Spark Plugs:

Iridium type, typically 105,000 mile replacement interval.

Transmission Fluid Service:

Inspect every 30,000 miles, replace every 60,000-100,000 miles (depending on driving conditions, refer to manual).

Fluid Specifications

Engine Oil Type:

SAE 0W-20, API SN or higher, ILSAC GF-5

Engine Oil Capacity:

4.8 US quarts (with filter change)

Coolant Type:

Asian Red Long Life (HOAT) antifreeze/coolant

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Common Complaints:

Occasional reports of oil consumption, potential for carbon buildup in GDI engines, HVAC blower motor resistor failures, catalytic converter issues.

Recalls:

Check for applicable recalls via NHTSA or Kia's official website based on VIN.

📚 Vehicle History

Brand Heritage

Brand Origin:

South Korea

Brand Focus:

Affordable, reliable, and feature-rich vehicles with a growing emphasis on design and technology.

Model Evolution

Generation Start:

First generation introduced in 2004.

Second Generation Intro:

Year Of Model Covered:

2012 Sorento is part of the second generation (2010-2013).

Production

Manufacturing Location:

Hwasung, South Korea; West Point, Georgia, USA (for North American market)

🏆 Awards & Recognition

Recognitions

Design Awards:

While not directly for the 2012 model year, the second-generation Sorento has received accolades for its design and value proposition.

Ratings

Consumer Reports Reliability:

Varies by model year and specific components; refer to specific Consumer Reports data for 2012.

Certifications

Emissions Certification:

Meets EPA and CARB emissions standards for the year of manufacture.