2008 Kia Rio transmission fluid change? - Kia Forum
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post #1 of 5 (permalink) Old 05-24-2012, 11:20 AM Thread Starter
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2008 Kia Rio transmission fluid change?

I have a 2008 Kia Rio LX that I am looking to change the transmission fluid myself. I can generally work my way around cars, but have not had too much experience with transmissions. Also, I have looked all over for detailed instructions on how to change the transmission fluid, especially with how correctly refill with the appropriate amount of fluid. Could anybody give detailed instructions or at least point me to somewhere that does? Thank you!

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post #2 of 5 (permalink) Old 05-24-2012, 04:54 PM
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This will have almost everything you ever wanted to know about your KIA. It's free to signup too. It can be a little overly technical on something though.

I hope this helps you find the info you need.

2007 Rio LX
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post #3 of 5 (permalink) Old 05-25-2012, 08:16 AM
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What I do it every other oil change I drain the tranny fluid, then measure the drained fluid, and replace with the same amount of new fluid. This way I always have mostly fresh fluid in the tranny.

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post #4 of 5 (permalink) Old 05-25-2012, 07:38 PM
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I do flush on mine, just watch a youtube video on flushing auto tranny. Some say don't flush, some do it religiously. Up to you, the kiatechinfo site shows a diagram of tranny with which hose is in/out to do the flush you pull the one coming from the cooler, which is "IN". It's also marked on the tranny body. Start the car up with that hose disconnected from the body and put into a large container. When you start the car it will pump out fluid, just pour in the new fluid at the same time to prevent the pump from sucking air and overheating. When the fluid coming out looks new stop. And check levels, top offf/drain to the correct level as per usual.

Some argue for/against this method. I think it gets more fluid changed out to new. Because your pumping new fluid thru the crooks/crannies of the tranny not just replacing whats in the pan. Take whichever course your most comfortable with. The pan method is just like what jcwit said. Dran pan, replace same quantity of fluid in the dipstick. Then check the level like 50 times on as flat road surface possible. I've checked sometimes and get really off levels on the dipstick.(you check ATF with car running in Neutral)
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post #5 of 5 (permalink) Old 11-13-2012, 12:33 AM
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Hey Mlow, flushing the tranny seems interesting. I have done just pan draining. Next time you flush your auto tranny, could you please take some pics of the process? hoses, tools, etc. Anything would be great. And you are totally right about checking the fluid like 50 times. Thanks in advance!
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