The fuel filter on the Sonata is a permanent filter attached to the fuel pump. There is no indicated service interval. You just replace the pump if it goes bad. If you feel the need to replace it, follow the instructions below
(1)Open the service cover (A) by unscrewing the bolts (B)
2)Disconnect the fuel pump connector (A).
(3)Start the engine and wait until fuel in fuel line is exhausted.
(4)After the engine stalls, turn the ignition switch to OFF position.
2. Disconnect the fuel feed line (A), recirculation line (B) and fuel tank pressure sensor connector (C).
3. Unfasten the fuel pump locking ring (D) with the special service tool.
Be careful NOT TO damage the surface of the fuel rank.
4. Remove the fuel pump assembly from the fuel tank.
Installation is reverse of removal.
Replace the fuel pump locking ring and fuel pump plate packing with a new one when installing the fuel pump again.
The diagrams for this procedure are attached below
Images (Click to make bigger)
Tuesday, May 26th, 2020 AT 12:22 PM