2005 Santa Fe Transmission Oil Change Tips - Hyundai Forums : Hyundai Forum
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post #1 of 4 Old 04-12-2010, 07:20 PM Thread Starter
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Hello all,

Getting ready to change my trasnmission oil. Any tips? Is there a drain plug? Where is the filter location. If anyone has step by step instruction that would be really great.

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post #2 of 4 Old 04-12-2010, 10:59 PM
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To start you will need 9 quarts of SPIII fluid from the dealer. I buy 10 just in case. If you are not planning to do a complete flush and only are going to drain whats in the pan then you will need less but I don't remember how much I drained out when I didn it. I am estimating about half. Don't use any other fluid otherwise you may have problems later. You have to remove the skid plate and you will see the transmission drain plug. If you have a 2001 you may have a transmission oil filter located on the top of the transmission which is located approximately under the air cleaner and it looks like an oil filter. If there isn't one there then there is no filter that needs to be serviced as Hyundai claims it's a lifetime filter in the transmission. Get transmission up to operating temperature by driving around. I have read that can take up to 10 miles depending on ambient temperature. Drain the fluid and clean the magnet that is on drain plug, reinstall and refill with the same amount of fluid you drained out. If you want to do a complete fluid change which includes the torque converter which I highly recommend then you will need to disconnect the transmission cooling lines from the oil cooler and route them to a bucket or what I do is I use a half gallon container so I can easily measure how much fluid has come out. Make sure you mark the cooler lines so you put them back in the proper position. The first time you do this it would be good to have a helper to tell you when to turn off the car. Start the car and watch as you fill the half gallon container up=2 quarts. Turn off and add 2 quarts back into transmission. Repeat procedure until the fluid comes out clean. A complete fluid change is around 9 quarts. I buy 10 quarts just in case i need to top off with the last quart but once 9 quarts have been drained in all the fluid coming out of the cooling lines starts coming out clean. I never need to top off when doing it this way since I put in exactly what I drained out. By doing it this way you did a full transmission flush just like the machines that are used in the shops with the exception that you save yourself some money.
This is a link to some general procedures for a flush from the amsoil website but the info above is how I do it on my Santa Fe and it works perfectly.
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post #3 of 4 Old 04-12-2010, 11:26 PM
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As everyone else will tell you, make sure you purchase the correct fluid (SP-III).

I just finished a trans drain and re-fill today and the following is what I did:

1.Purchase 11 qts. of trans fluid AND a new crush washer/gasket part number 21513-11000. (11 qts. just to be safe...it won't go bad)

2.Remove plastic shroud.

3.Locate drain plug. You will need a 15/16" socket to remove.

4.Position drain pan under drain plug and remove the drain plug.

5.Allow sufficient time for fluid to drain. You should be able to get out just over 5 qts.

6.Clean drain plug. The drain plug is magnetic and it will have an accumulation of metal shavings.

7.Install new crush washer/gasket, clean area around drain hole and re-install drain plug.

8.Insert funnel into dipstick tube and refill. Try to hold the funnel up a bit so you don't create a seal against the dipstick tube. If you create a seal, air cannot escape and it will gurgle up and make a mess all over the place!

9.Install dipstick and start the vehicle. Move gear selector from P to R to N to D and finally to N. Allow engine to run for a few minutes.

After this procedure is done, I like to drive the vehicle for a few days and follow-up with another drain and fill to purify the fluid even more.
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post #4 of 4 Old 07-10-2010, 11:40 AM
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It's "half-change" because the 4.5 quarts (4.25 liters) in the transmission pan is only about half of what's in the transmission. But what a difference! Shift quality is greatly improved! I bought five quarts of fluid and a crush gasket to replace the one under the drain bolt. It was probably original factory equipment, as was the fluid since it came out as dark brown as motor oil. YUCK! The Santa is an '01 so it was past time for the change.

Five qts fluid, part number 00232-19012 List US$9.62 each
One gasket, part number 21513-11000 List US$1.26 each
The dealer gives me a break on pricing, so they cost me a total of US$36.63 with tax.

24mm socket for the drain bolt
12mm socket for the splash pan bolts
Suitable ratchet handle or breaker bar
Jack and jack stands
Drain pan
Long neck funnel
Disposable creeper (a cardboard box flattened - gets me off the asphalt and makes moving around easier)

Removing the splash pan underneath the front end is necessary to reach the drain bolt and let the fluid drain directly into the drain pan. Total work time was an hour, including putting a couple of miles on the car to warm the fluid so it would drain better. To say it was easy is an understatement. I worked under the master bedroom window as the wife was sleeping late on a Saturday morning. She said she didn't hear a thing. Of course, I spilled an ounce on the car port, so a minute with the garden hose will take care of that.

A little time spent for a good return. I'm planning to do this again once or twice with oil changes to further renew the transmission fluid.

Paw-paw Don, y'all
Favorite saying: "One need never apologize for exercising the Golden Rule."
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