There is a plug on the bottom of the transmission to drain it. You will need to heat up the fluid before you drain it. Be very carefull of the hot fluid.
if you change trans fluid REGULARLY like you should, flushing is not necessary
For a 2009 Hyundai Sonata, it is recommended to use Hyundai Genuine ATF SP-IV transmission fluid. This fluid is specifically designed for Hyundai and Kia vehicles to ensure optimal performance. Always consult the owner’s manual or a qualified technician to confirm the appropriate fluid type and specifications for your specific model and transmission type.
The filter is inside the transmission and is not to be serviced. Just drain fluid and replace.
The fluid go in the same hole that the dip stick came out of. You will have to use a funnel.
To change the automatic transmission filter on a 2004 Hyundai Sonata V6, start by safely lifting the vehicle and securing it on jack stands. Drain the transmission fluid by removing the transmission pan bolts and carefully lowering the pan to avoid spillage. Replace the old filter with a new one, ensuring the new gasket is properly aligned, then reattach the pan and refill the transmission with fresh fluid according to the manufacturer’s specifications. Always check for leaks and ensure the fluid level is correct after completing the job.
Transmission fluid should be a nice burgundy red color. If it is brown or black, this is a sign of transmission trouble. If the fluid smells burnt, the transmission will probably need replaced.
The 1999 Hyundai Sonata GLS came equipped with the 2.4L 4-cylinder and 2.5L 6-cylinder engines. Both engines had the F4A51 automatic transmissions. As of September 2014 the newest and downwardly compatible automatic transmission fluid specification for the application is Hyundai SP-IV.
Page 9.4 of the owner's manual states: automatic transmission - 11.52 u.s. qts.
Usually, I would remove the dipstick for the transmission and a funnel that is small enough to fit in there and that's how I add transmission fluid. You have to make sure you add the right amount and use the specified transmission fluid for that car.
Hyundai SP3 transmission fluid is used in a 2005 Hyundai Accent. This brand of transmission fluid is recommended by Hyundai.
it is listed in your owners manual, diamond is the name, dealer avail only do not sustitute