Per my local Hyundai Shop this model does not have a serviceable filter, therefore you only drain and fill this transsmission.
right on the other side of the transmission oil pan
where is the external transmission filter located on a 2004 Hyundai elantra
The transmission filter is located under the transmission on a 2002 Hyundai Sonata. it is under the transmission drain pan.
Its under the hood on the drivers side.
The 2003 Elantra does not have a transmission filter.
inside the transmission pan
If you look below the power brake booster you will find it.However it is not easy to get to
its under the skid protector on the right side. in front of the oil pan
The filter is inside the transmission and is not to be serviced. Just drain fluid and replace.
The Hyundai Sonata's transmission range sensor is located directly below the vehicle's oil filter. It is located near the range switch.
Trans filter is located near the air box on top of the transmission. It looks like an oil filter.
to the right in the engine hiding in a box the stock air intake. The intake box unclips.