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.

2017 Kia Optima EXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Lift the vehicle.
Remove the rear-left wheel & tire and the wheel house cover.
Disconnect the canister close valve connector (A).
Disconnect the ventilation hose (B) connected to the fuel tank air filter and canister close valve.
Remove the fuel tank air filter after removing the installation bolt (C).

Fig 1: Disconnecting Canister Close Valve Connector
Courtesy of KIA MOTORS AMERICA, INC.
Release the lever (A), and then rotate the canister close valve (B) in the direction of an arrow.
Remove the canister close valve from the fuel tank air filter.

Fig 2: Releasing Lever

Courtesy of KIA MOTORS AMERICA, INC.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready Tools Compare Repair Quote Quote Shield Pro

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.