Join Date: Mar 2010
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|View Poll Results: 2010 Transmission Problems|
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|I've had a bang & slight rocking motion at low speed seemingly while shifting 1st to 2nd or vice versa. It's been quite noticeable. This has happened 4 times now since February. The first time the vehicle was about 3 weeks old. I took it to the dealer and of course this event did not happen for them. I picked it up today at 2PM and it repeated the bang within 20 minutes, so I took it back again.|
|Interesting. Sounds similar to my experiences. At least I know I'm not alone now. Keep us updated.|
Good suggestion on the transmission fluid level. I'll ask about that when we take it in.
So we've been recording all the characteristics of when the problem occurs... Up until recently the problem had only seemed to occur when the car was cold. That is, in the first 5 minutes of driving from a cold start. But on the weekend I had the issue where it revs up high and seems to be in neutral mid-shift occur after a good 20 minutes of highway driving followed by some stop-and-go. So to me, this sounds like a new piece of data.
|It has done it 3 times now since I picked up my Sante Fe from the dealer, while my wife was driving it. 2 times were at 30 km/hr, 1500 rpm, while easing off the accelerator in traffic, then thud! The last time was at 40 km/hr, 1000 rpm, while easing off the accelerator in traffic, then thud! Scared my wife because she felt it was coming from right under her seat. All 3 times the temperature was between 6 and 10 degrees Celsius, so on cool days.|
|There is a TSB on this, the TSB number is 10-AT-006 dated March 2010 for MY2010 Santa fe, Sonata, and Tucson, I found it on hmaservice.com. It is for harsh or delayed shift problems on the 6-speed auto. Like I mentioned mine was doing this, since they reset the adaptive learning values it has not done it again. Hope this helps.|
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