Kia Optima Hybrid: Evaporative Emission Control System / Fuel Tank Air Filter Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Lift the vehicle.
3.
Disconnect the canister close valve connector (A).
4.
Disconnect the ventilation hose (B) from the fuel tank air filter and canister close valve.
5.
Remove the fuel tank air filter assembly after removing bolts (C).

6.
Release the lever (A), and then separate the canister close valve (B) from the fuel tank air filter (C) after rotating it in the direction of the arrow in the figure.

Installation
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Install in the reverse order of removal.
Fuel Filler Cap Description and Operation

Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler ...

NVLD(Natural Vacuum Leakage Detection) Description and Operation

Description NVLD(Natural Vacuum Leakage Detection) is located between the canister and the fuel tank air filter. NVLD is to detect leaks equivalent to a 0.5 mm hole in the fuel tank, canister and hoses. ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: IMS Control Switch Repair procedures


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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Weight Classification System (WCS) Repair procedures


Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger seat assembly. (Refer to the Body group - "Seat") 3. Remove the OCS assembly. (Refer to the Body group - "Seat")     – There are several case about DTC, ...

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