Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2019 Kia Optima LXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Installation

WARNING: This page is about a different variant/trim than selected.

Courtesy of KIA MOTORS AMERICA, INC.

NOTE:

Do not reuse the used injector fixing clip.
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
Apply engine oil to the injector O-ring.
Do not reuse the used injector O-ring.
Do not reuse the used bolt.
When inserting the injector, be careful not to damage the injector tip.
Do not reuse the support disc.
Do not reuse the injector rubber washer.
Do not reuse the high pressure fuel pipe.

When replacing the rubber washer, the steal plate (A) part should be faced the cylinder installation part and the rubber plate (B) part should be faced the injector body part.

Courtesy of KIA MOTORS AMERICA, INC.

Do not reuse the combustion seal.

Install in the reverse order of removal.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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