Hyundai Elantra Transmission Fluid?
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Thread: Hyundai Elantra Transmission Fluid?

  1. #1
    Junior Member hermes has not yet proved knowledgeable
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    Default Hyundai Elantra Transmission Fluid?

    Does a '07 Hyundai Elantra automatic transmission use a special fluid?

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  3. #2

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by hermes View Post
    Does a '07 Hyundai Elantra automatic transmission use a special fluid?
    Hyundai SP-III automatic transmission fluid ONLY.

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

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    Player to be named later Doohickie has picked up a wrench Doohickie's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    True. The "universal" fluids.... aren't.
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    EXD Pro Member exdtuner knows a lot about Elantras exdtuner's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    Tis true but IMO stupid.
    Craig

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    Acountabilibuddy ricerrx7 knows a lot about Elantras
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    Default Re: Hyundai Elantra Transmission Fluid?

    Why is it stupid? Most manufacturers are now using brand specific fluids.
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    Senior Member Poopsicle can identify a wrench
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    Default Re: Hyundai Elantra Transmission Fluid?

    Use the Hyundai brand or kiss your transmission good bye

  8. #7
    turbo envy only1db has picked up a wrench only1db's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by cclngthr View Post
    Hyundai SP-III automatic transmission fluid ONLY.
    very true...anything else and your warranty is gone!!


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  9. #8

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by only1db View Post
    very true...anything else and your warranty is gone!!
    I can't count how many Hyundai AT's that I've replaced just because some idiot forgot to read the manual that says only SP-III fluid.

    Why is it stupid? Most manufacturers are now using brand specific fluids.
    Some manufacturers do use different fluids specific for the transmission. While all Hyundai's except the Veracruiz and Genesis use SP-III, the Veracruiz uses a Toyota fluid on the 6 speed auto since that is a Toyota transmission. The Genesis either uses the same Toyota trans or the ZF trans (which requires its own fluid) that is also found in some BMW's. The GM Allisson trans does not use Dexron, but has its own fluid.

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

  10. #9

    Default Re: Hyundai Elantra Transmission Fluid?

    so just out of curiosity, what happens when you don't use the Hyundai specific fluid? i don't have to worry about a warranty because i don't have one.


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  11. #10
    Super Moderator hyunelan2 knows a lot about Elantras hyunelan2's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    It eats away the plastic parts inside the transmission - which leads to the failure of the transmission.


    2010 Equator Sport | 2002 Elantra GLS (sold) | 2003 Tiburon GT | 2004 Santa Fe GLS


  12. #11

    Default Re: Hyundai Elantra Transmission Fluid?

    sweet! didn't know there was plastic in a transmission. when do you change the AT fluid?


    Quote Originally Posted by cbogg View Post
    didn't even occur to me that you were a chick until you said something. so yay! another hot chick with an elantra! the world is a better place for having you

  13. #12
    turbo envy only1db has picked up a wrench only1db's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    every 30k its recommened to have a full fluid exchange...if not then you can do a drain and fill.


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  14. #13

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by only1db View Post
    every 30k its recommened to have a full fluid exchange...if not then you can do a drain and fill.
    Filter too. HD's have the internal filter.

    I suggest a fluid/filter change at 15,000 miles to get the majority of the debris out from assembly/break in, then flushes thereafter at 30K intervals. I also suggest a filter change every 60K to keep the filter clean.

    I have disassembled transmissions that have been flushed regularly and have found debris left from the flush at the filter aream mostly above it in the valve body. Removing the filter regularly gets what is left in the trans out. I also have seen some flushes clog up the filter if it is not replaced on a regular basis.

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

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    turbo envy only1db has picked up a wrench only1db's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    15k is a little extreme especially when you have to use 12quarts for a flush...

    btw the xd (except early 01's) have an internal filter as well.


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  16. #15

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by only1db View Post
    15k is a little extreme especially when you have to use 12quarts for a flush...

    btw the xd (except early 01's) have an internal filter as well.
    I said a drain/fill with a filter at 15K. at 30K, a flush then at 60K a filter change (if it has one that can be changed). The XD's do not have a filter that you can change. The GK is the same way as the XD's. The NF Sonata and the Azera also does not have a filter you can change.

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    turbo envy only1db has picked up a wrench only1db's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    the early EF sonatas you could change out the filter 00 and 01 iirc

    i have did a flush at 30k on my wifes and its due for another one...i have the 12quarts...but no flush machine at the moment.


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  18. #17

    Default Re: Hyundai Elantra Transmission Fluid?

    i'm hoping we have a flush machine at school. mines at 95k and i know i've never done anything with the AT fluid and who knows what the other guy did. i can't wait until i can be the first owner on my next hyundai 50 million years from now.


    Quote Originally Posted by cbogg View Post
    didn't even occur to me that you were a chick until you said something. so yay! another hot chick with an elantra! the world is a better place for having you

  19. #18

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by only1db View Post
    the early EF sonatas you could change out the filter 00 and 01 iirc

    i have did a flush at 30k on my wifes and its due for another one...i have the 12quarts...but no flush machine at the moment.
    What I did w/o a flush machine was undo the feed line after the trans cooler, put a longer hose on that with the one end in a bucket and as the engine is running, and the fluid runs out, I'm refilling it via the dipstick tube. What HMA does recommend is running the engine for about a minute without pouring new fluid in to drain the system. However, this is something I'm not comfortable with. I'd rather pour new in as the old runs out.

    BTW Derek, while we are on the subject, remember the dyno runs I did last year? The numbers were 102/103 and in March, 103/109 (hp/tq). This was before I changed the trans fluid/filter. When I changed it, we found a lot of debris in the trans and I had asked you a question via PM about it. Come to find out, the hydraulic system was partially plugged and the filter change apparently solved that problem. A week ago, I redynoed my car and the numbers I got were much higher and the torque curve is much smoother than before. My new numbers are 127/132 (hp/tq). Apparently just changing the fluid and filter made a big difference.

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  20. #19
    turbo envy only1db has picked up a wrench only1db's Avatar
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    Default Re: Hyundai Elantra Transmission Fluid?

    must have been something at the factory then....i cant imagine it being that clogged so fast....

    according to hyundai they dont need to be replaced untill 100k iirc


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  21. #20

    Default Re: Hyundai Elantra Transmission Fluid?

    Quote Originally Posted by only1db View Post
    must have been something at the factory then....i cant imagine it being that clogged so fast....

    according to hyundai they dont need to be replaced untill 100k iirc
    Manufacturers can be wrong too. After a rebuild or new trans is put in, there is more break in material that needs to be removed from the trans. They all have this; my Accent, XD, HD, and all transmissions that I have replaced with new/rebuilt units. A flush machine cannot remove ALL of this excess debris. It only gets some out. Also, the flush machine is dependent on the flow of fluid through the hydraulic circuit and through the filter. Excess debris can actually clog up the filter while you are flushing it. By doing a drain/filter change/fill will remove the majority of the debris (especially if the trans is hot) and the next change will have less debris to contend with.

    This is why I prefer to change the filter after 15,000 miles to remove the break in materials and do more frequent filter changes. The flushes are OK, but with the fabric filter, that can trap the debris even more and that has to be considered in your service routine.

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

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