Hyundai Ioniq (AE): Evaporative Emission Control System / Fuel Tank Air Filter. Repair procedures

Replacement
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the filler-neck assembly
(Refer to Engine Control/Fuel System - "Filler-Neck Assembly")
3.
Disconnect the vent hose (A).

4.
Remove the fuel tank air filter (B) after loosening the mounting bolts (A).

    Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuel tank.(Refer to Engine Control/Fuel System - "Fuel Tank")3.

    DescriptionA 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 neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF.2.Disconnect the mode control actuator connector.3.Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.Verify that the mode control actuator operates to the vent mode when connected in reverse.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Components and components location

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