How can I replace the transmission fluid in a 2009 Hyundai Sonata?

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★ Top Answer

Carl E Mar 16, 2021

Replacing the transmission fluid in a 2009 Hyundai Sonata is a straightforward task. You'll need a 15/16" or 24mm socket along with a ratchet to remove the drain plug. Begin by unscrewing the drain plug to let the fluid empty into a container. Once the transmission is drained, reinstall the drain plug with a new washer. Locate the transmission fill cap in the engine bay, add four quarts of genuine Hyundai transmission fluid, and use the dipstick to ensure the correct level. After filling it completely, start the car— it should operate smoothly. It's recommended to change the fluid every 30,000 miles for optimal performance.

More answers

Anthony H Mar 12, 2022

Is the spot where you add fluid the same as where you check the level, and does a 2008 Sonata have one or two filters for the transmission, and where can they be found?
Lawrence N. Dec 22, 2020

As an American, here is a rephrased and unique version of the text: To replenish the transmission fluid in the 2009 Hyundai Sonata, first park the car on a flat surface and open the hood. Find the transmission and search for the dipstick with a round O-ring at the end. Withdraw it, clean it thoroughly, reinsert it, and check the fluid level. Identify the intake opening on the transmission and use a funnel if necessary. Fill the vehicle with fluid until the dipstick indicates it is full. Reinsert the dipstick, close the intake opening, and you're done.

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