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#4779293 - 06/06/18 03:38 PM 2010 Hyundai Santa Fe 3.5L Tranny Issues
Egg_Head Offline


Registered: 10/07/12
Posts: 298
Loc: North Carolina
Above vehicle is part of the family fleet, 86K miles and transmission fluid has been changed at 30K and 60K miles. This car has hard up shifts and downshifts intermittently, manufacture date falls within units that had possible bad shift solenoids. I have a can of Sea Foam Trans Tune and a bottle of Lubegard Platinum, my question is which one might[i][/i][u][/u] help mitigate this problem or should I just go light a candle?
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#4779312 - 06/06/18 03:59 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
Propflux01 Online   crying


Registered: 09/26/02
Posts: 3430
Loc: Arkansastan
Is it not still on the 10 year 100K warranty?

And what fluid was used during those changes?
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#4779315 - 06/06/18 04:01 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 3037
Loc: Wet side WA
Doesn't that car have the Hyundai 10 year 100K warranty?
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In: T6 5W-40 XG9100 74705 4-22-18

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#4779322 - 06/06/18 04:07 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: JohnnyJohnson]
Egg_Head Offline


Registered: 10/07/12
Posts: 298
Loc: North Carolina
2nd owner, Castrol Transmax full syn multi-vehicle atf
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2009 Cub Cadet LT1042
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#4779324 - 06/06/18 04:08 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
VeryNoisyPoet Offline


Registered: 12/16/17
Posts: 350
Loc: Massachusetts
Confirm whether there is a recall, or if it falls under warranty. How often do the problems occur, as in are they frequent enough that the technician could replicate them?
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#4779329 - 06/06/18 04:14 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
JustN89 Offline


Registered: 06/27/17
Posts: 519
Loc: DFW
I would at least try to get it worked on under warranty. Try a dealership and make an appeal to corporate if necessary.

Here's Hyundai TSB 14-AT-012 the speaks to shift solenoid troubleshooting. I would take this with me to the dealership.


Edited by JustN89 (06/06/18 04:24 PM)
Edit Reason: TSB included

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#4779432 - 06/06/18 06:14 PM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
wemay Offline


Registered: 04/04/12
Posts: 9168
Loc: Miami Florida
100k mile warranty falls to 60K for second owner. Just in case.
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#4779973 - 06/07/18 09:23 AM Re: 2010 Hyundai Santa Fe 3.5L Tranny Issues [Re: Egg_Head]
Boss302fan Offline


Registered: 11/07/09
Posts: 2405
Loc: Oconomowoc Wi
If the computer updates do not work on your SF, then most likely the tranny will need to be replaced. The products you mentioned will do nothing to improve your tranny issues... If still under warranty, make sure you lean on the dealer ASAP and get it fixed.
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