2014 Kia Optima 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 Turbo Sedan 4-Door
- Hybrid EX Premium Sedan 4-Door
- SX Sedan 4-Door
- Hybrid LX Sedan 4-Door
- SXL Turbo Sedan 4-Door
- EX Sedan 4-Door
- Limited Sedan 4-Door
- Hybrid EX Sedan 4-Door
- LX Sedan 4-Door
- EX Luxury Sedan 4-Door
Engines covered
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
- 2.4L 2359CC l4 FULL HYBRID EV-GAS (FHEV) 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
Kia Motor Company (Kia) is recalling certain 2011-2014 Optima, 2012-2014 Sorento and 2011-2013 Sportage vehicles. Machining errors during the engine manufacturing process may cause premature bearing
Bearing wear may result in the engine seizing, increasing the risk of a crash.
Kia will notify owners, and dealers will inspect the engine assembly, and replace the engine if nece
Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles. Brake fluid may leak inside the Hydraulic Electronic Control Unit (HECU), possibly resulting in an elect
If the HECU short circuits, there is an increased risk of an engine compartment fire.
Kia will notify owners, and dealers will inspect the HECU for leaking brake fluid and replace the HE
Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio
An engine compartment fire while parked or driving can increase the risk of injury.
Owners are advised to park outside and away from structures until the recall repair is complete. De
Kia Motors America (Kia) is recalling certain 2013-2014 Optima vehicles equipped with 2.4L Gasoline Direct Injection (GDI) or 2.0L GDI Turbo engines. The low pressure fuel hose may deteriorate and cr
If the fuel hose cracks, a fuel leak can occur, increasing the risk of a fire.
Kia will notify Owners, and Dealers will inspect the low pressure fuel hose for damage or leaking, r
Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty,
A fuel leak in the presence of an ignition source can increase the risk of a fire.
Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of c
Kia Motors America (Kia) is recalling certain 2013-2014 Optima vehicles that were previously repaired under NHTSA recall number 20V-100. The low pressure fuel hose may be damaged, or missing heat-pro
A fuel leak can increase the risk of a fire.
Dealers will replace the low pressure fuel hose, free of charge. Owner notification letters were mai
Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles previously recalled under recall 20V-519. Brake fluid may leak inside the Hydraulic Electronic Control Un
An electrical short in the HECU increases the risk of a fire while parked or driving.
Owners are advised to park outside and away from other vehicles and structures until the recall repa
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
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
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
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
TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provid
TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. Th
TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. Th
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black
Showing the 8 most recent of 193 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2014 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, AN ABNORMAL ODOR APPEARED UNDER THE HOOD. THE CONTACT DEPRESSED THE BRAKE PEDAL AND THE VEHICLE ACCELERATE FORW
TL* THE CONTACT OWNS A 2014 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, AN ABNORMAL ODOR APPEARED UNDER THE HOOD. THE CONTACT DEPRESSED THE BRAKE PEDAL AND THE VEHICLE ACCELERATE FORW
CAR HIT A GUARD RAIL AND EXPLODED IN FIRE. DRIVER DIED FROM BURNS. ON INTERSTATE 8 AT MP-107, MARICOPA COUNTY, AZ. CUT OFF BY A NON-IMPACT VEHICLE. DRIVER STEERED TO AVOID CONTACT AND HIT GUARD RAIL.
The contact owned a 2014 Kia Optima. The contact stated that as he attempted to merge onto a highway at 45 MPH, the brake pedal and steering wheel locked up upon the depression of the brake pedal with
The contact works as an investigator for the Utah Motor Vehicle Enforcement Division. The contact was investigating a 2014 Kia Optima with a salvaged title and reported that the air bags failed to dep
Showing the 5 most serious of 777 complaints filed with NHTSA.
