2018 Kia Sorento Service and Repair Manual

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Factory-Grade Data

2018 Kia Sorento service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • SX Sport Utility 4-Door
  • L Sport Utility 4-Door
  • LX Sport Utility 4-Door
  • SXL Sport Utility 4-Door
  • SX Limited Sport Utility 4-Door
  • EX Pack Sport Utility 4-Door
  • EX Sport Utility 4-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.3L 3342CC V6 GAS DOHC Naturally Aspirated
  • 2.4L 2359CC l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2018 Kia Sorento Recalls & Complaints

NHTSA #22V70300019/09/2022Component: TRAILER HITCHES

Kia America, Inc. (Kia) is recalling certain 2016-2022 Sorento, 2021-2022 Sorento Hybrid (HEV), 2022-2023 Sorento Plug-In Hybrid (PHEV), and 2017-2022 Sportage vehicles equipped with a tow hitch harne

Consequence

A fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. De

TSB #11031854

VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black b

TSB #11030382

TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH (OPS) REPLACEMENT (WTY026 REVISION 2) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a

TSB #11029979

TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are

TSB #11028908

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are ind

TSB #11026980

CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been m

TSB #11026900

VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the

TSB #11026825

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-202

TSB #11026698

PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking

Showing the 8 most recent of 193 technical service bulletins on file with NHTSA.

20260223Component: AIR BAGSCrash reported1 injured

The contact owned a 2018 Kia Sorento. The contact stated that while driving approximately 40 MPH, another vehicle had abruptly attempted to merge into the opposite traveling lane and caused the front

20230603Component: VEHICLE SPEED CONTROLCrash reported1 injured

My car went into Sudden Unintended Acceleration when I shifted from neutral to drive. I was in a gas station that was perpendicular to highway traffic. When I attempted to come out of the car wash tun

20211129Component: AIR BAGSCrash reported1 injured

I was in a weather related accident where I hit the guardrail twice head on and none of my airbags deployed. My vehicle is currently at a tow yard and will be towed to the autobody shop 12/8/2021. No

20201120Component: AIR BAGSCrash reported1 injured

I WAS DRIVING APPROXIMATELY 35 MILES PER HOUR ON A CITY STREET WHEN ANOTHER VEHICLE PULLED OUT IN FRONT OF ME. THE IMPACT TOTALED THE OTHER VEHICLE AND CAUSED $7,500 IN DAMAGE TO MY VEHICLE, AND MY A

20201012Component: AIR BAGSCrash reported1 injured

FRONTAL IMPACT WITH A DEER ON INTERSTATE 81 NORTHBOUND IN PA., CRUISE CONTROL SET AT POSTED SPEED LIMIT OF 65MPH, NO AIRBAG DEPLOYMENT AT TIME OF IMPACT OR AFTER COLLISION CHEST IMPACTED STEERING WHEE

Showing the 5 most serious of 326 complaints filed with NHTSA.

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