Kia Optima DL3: Power Train / Vapor Hose and Fuel Filler Cap

Repair procedures

Inspection

Vapor hose

1.

Check all the clamps for tightness and the connections for leakage.

2.

Visually check the vapor lines and hoses for cracks, leaks, loose connections, or deformation.

Fuel filler cap

1.

Visually check that the fuel tank cap assembly and gasket (A) are not deformed or damaged.

    Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check    When checking the ATF level, be careful not to allow foreign substance (like dust) to enter through the filler hole.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Integrated Body Control Unit (IBU)

    Components and components location Component Location 1. Integrated Body Control Unit (IBU) Schematic diagrams Connector and Terminal Function [Non-Smart key] Pin Function Connector A Connector B

    Kia Optima DL3 2019-2026 Service and Repair Manual: Smart Key

    Repair procedures Adjustment Smart Key Code Saving 1. Connect the VCI II in driver side crash pad lower panel, turn the power on KDS. 2. Select the vehicle model and then do "Smart key code saving".

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