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Hyundai Sonata Transmission Questions

155 messages,  Last post on Oct 13, 2009 at 12:20 PM

You are in the Hyundai Sonata Forum. Your Hosts are pat & karens

What is this discussion about? Hyundai Sonata, Transmission, Sedan


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#137 of 155
Re: Car Is About To Be Driven Off a Cliff [dgs4] by lightfootfl
Apr 13, 2009 (6:51 am)
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Replying to: dgs4 (Mar 30, 2009 11:10 pm)

Sorry you are having problems like that, but if it were me, I would take it to the dealership and have them try to fix it first. If you have, and not gotten good results, then try another dealer. Ignoring a problem won't ever make it go away.
van
#138 of 155
RE: dave868 and lightfootfl by dgs4
Apr 15, 2009 (5:42 pm)
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Yeah, I'm going to take it to the dealership and try to get the problems resolved. I just don't understand why such a new car is having this issues. It has driven me to the point of trying to sell the car but as expected I'm not getting any calls. I think that's a good thing as it would be cruel to sell someone my car with these issues.
 
Ever notice how these sorts of things never rear their ugly heads in a test drive? In my 09 test drive there was no crackling dash, no navigation freeze-up, no harsh 1-2 shift, no strange suspension noise etc. But over the course of a year I've now had all of those issues. I really believed Hyundai was at the quality level of a Honda or a Toyota but I don't think they're there yet.
 
I, we, specifically bought a new car so we wouldn't have to deal with issues like mine. It just has me very worried about future reliability of the car if I'm having all of these issues in the first year of ownership.
#139 of 155
Poor Transmission Shift in 09 Sonata (6700 miles) by dandaroy
Apr 21, 2009 (1:29 pm)
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Guys,
  
I am new to this forum, but have been lurking around at other Hyundai forums with questions. Basically, I am not happy with the performance of the car. I think my issues have been discussed before, but I will highlight the issue that is bugging me the most and making my living with this car VERY hard.
  
It is the transmission shift quality. The 1 -> 2 shift under slow acceleration is quite jerky and unsmooth at all times. Also 2 -> 3 shift under slow to moderate acceleration is jerky from time to time, but not all the time. It seems like on both these shifts, if I back off the gas at the shift point, it is seamless. Also under hard acceleration (not as bad a WOT), the shifts are MUCH better. Initially when I bought the car, these shifts were horrible. Last Nov, I got the latest TCM update and although the shifts have gotten better, they are still bothersome. The dealership says there is nothing they can do anymore since they can offer only what Hyundai provides them. I have had the service manager drive the car and although he understands what my annoyance is, he does not have a solution. Hyundai says there is no further TCM update available.
 
I do not know why I did not discover this problem during the test drive. My bad!! Do you guys have any suggestions? If the shifting was smooth I could probably live with this vehicle.
  
Thanks!
#140 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [dandaroy] by bigredtx
Apr 21, 2009 (1:38 pm)
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Replying to: dandaroy (Apr 21, 2009 1:29 pm)

i have had the same problem for about 9 months now and same for me. on the test drive the vehicle was great so what happened? i have been very frustrated to the point i dont even care if i let it go back as a repo. they can have it if they cant fix it. hyundai has to know they have a problem with the transmissions. we have a santa fe with no problems at all. you cant even tell when it shifts. now the sonata thats another long long story with no obvious ending. let us know if you know of a solution. great name for the vehicle though i so-not-a want that car!!!!
#141 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [bigredtx] by dave868
Apr 21, 2009 (5:45 pm)
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Replying to: bigredtx (Apr 21, 2009 1:38 pm)

I felt the same way till last February. The 1-2 shifts will killing me. Hard acceleration was ok, but gentle acceleration was like a bucking bronco. My dealer did a firmware upgrade and now I am happy. You can still feel the shifts but just barely..
 
Hang in there... the dealer can fix it.
#142 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [bigredtx] by dandaroy
Apr 21, 2009 (8:03 pm)
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Replying to: bigredtx (Apr 21, 2009 1:38 pm)

big red,
 
Have you done the TCM update? I did and still I have the problem.
#143 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [dave868] by dandaroy
Apr 21, 2009 (8:04 pm)
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Replying to: dave868 (Apr 21, 2009 5:45 pm)

Dave,
 
I did the TCM firmware upgrade and it is still bothersome.
#144 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [dandaroy] by dave868
Apr 26, 2009 (6:17 pm)
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Replying to: dandaroy (Apr 21, 2009 8:04 pm)

Sorry to hear that. I guess I got lucky. I can sympathize. I started to really hate my car. I bought it Oct 08 by Feb when I got the update... I was ready to sell it.
 
All I can say is that since I got the update I am happy with the car.
#145 of 155
Re: Poor Transmission Shift in 09 Sonata (6700 miles) [dave868] by dandaroy
May 01, 2009 (3:28 pm)
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Replying to: dave868 (Apr 26, 2009 6:17 pm)

Did it completely eliminate your harsh shift or reduce intensity? For me it reduced the intensity, but it is still there. Especially on the 1 --> 2 shift when I go in stop and go traffic. When I gently tap on the gas to get the card going, once it hits about 10 mph or so, the 1 -> 2 shifts a bit roughly. When I step on the gas moderate or hard it is not there. Go figure!

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