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Hyundai Sonata Transmission Questions

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

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


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#8 of 155
Re: Hyundai Sonata transmission shifting [douglasc] by craigbrooks
Jul 30, 2007 (6:04 pm)
Reply

Replying to: douglasc (Jul 27, 2007 11:55 am)

the 1st to 2nd gear lag is common. I used to notice it everytime when I first purchased mine but don't notice it all now. It's a "new" car thing. Different from what you were used to driving. Happens to us all.
#9 of 155
High rpm concern with 4 cylinder by geofw
Oct 06, 2007 (6:57 am)
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I'm thinking of buying a 4 cylinder standard transmisson Sonata.
 
I have a 2005 Tucson. It has an rpm of 3,000 at around 60 mph. Needless to say, it gets noisy at higher speeds. At the same speed, my 1995 Camry is about 500 rpm lower. I can go around corners in 3rd gear without any problem.
 
Anyone notice the same problem with say, 2007 or 2008 Sonatas?
#10 of 155
my experience by xebra
Oct 06, 2007 (7:13 am)
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Replying to: geofw (Oct 06, 2007 6:57 am)

55mph on highway --> 2000rpm
60mph " " --> 2100rpm
 
20-30mph climbing hill --> 2000rpm to 3000 rpm.
#11 of 155
High rpm concern with 4 cylinder by geofw
Oct 06, 2007 (7:53 am)
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Replying to: xebra (Oct 06, 2007 7:13 am)

Okay, thanks.
#12 of 155
Re: 2006 Sonata Shift Oddity [mepjap65] by tkumpf
Oct 18, 2007 (3:39 pm)
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Replying to: mepjap65 (Jul 24, 2007 3:38 pm)

Yes, my 2007 does it too. My mother-in-law also bought a 2007 Sonata about a month before I did; I'll take hers for "a spin" and see it it does it too.
#13 of 155
2003 Hyundai Sonata Transmission Whine by superjesr
Oct 31, 2007 (7:56 am)
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I just moved to Denver - after about a month (one week after a cold freeze) I noticed a slight whine when the transmission is in third (approx 2300 rpm) between 38 and 42 mph. It seems to disappear immediately on shifting to 4th. I do not hear it when the transmission downshifts. I might also mention that I lived in San Diego, and, at 30000 miles had the transmission fluid changed as part of the 30000 mile checkup. I do not believe they used Hyundai fluid. This was a AAA aproved repair shop and they provided documentation that said that the transmission fluid they used was OK for the vehicle.
#14 of 155
Re: 2003 Hyundai Sonata Transmission Whine [superjesr] by targettuning
Nov 02, 2007 (6:53 am)
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Replying to: superjesr (Oct 31, 2007 7:56 am)

For whatever the reason Hyundai automatics require specific Hyundai branded transmission fluid. I do not believe any other generic type is recommended. As far as I know there is no other type or brand that should be used. Also,I seem to recall this wasn't a Hyundai ruse in order to force owners to buy their transmission fluid only but this requirement had roots in actual performance problems if it wasn't used.
#15 of 155
Re: 2003 Hyundai Sonata Transmission Whine [targettuning] by superjesr
Nov 02, 2007 (7:34 am)
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Replying to: targettuning (Nov 02, 2007 6:53 am)

The transmission fluid that was used was Valvolline Max
Life ATF which is supposed to be consistent with SP-III. I have a signed letter from Valvoline which states that use of the fluid WILL NOT INVALIDATE the Warranty and it also lists all the vehicles that it is recommended for - which includes KIA SP-II and SP-III and Hyundai. Although I voiced some concern about this - I was assured by a reputable AAA repair shop (SAMCO in San Diego) that I was OK to use the Valvoline transmission fluid.
#16 of 155
2008 Sonata transmission shutter by tjl67
Dec 28, 2007 (11:08 am)
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I just bought an '08 Sonata in November, 2007. Right away I noticed a definate shutter when driving around 40mph, just prior to shifting to 4th. It will remain as long as I stay at that speed. I took it in to be checked twice. 1st time tech didn't find it, 2nd time there was a TSB, and the transmission was reprogrammed. THAT was yesterday. On the way home, sure enough, it did it again, and again. Any suggestions? Thanks!
#17 of 155
Re: 2008 Sonata transmission shutter [tjl67] by craigbrooks
Dec 30, 2007 (10:01 am)
Reply

Replying to: tjl67 (Dec 28, 2007 11:08 am)

This has been noted by a few with no fix so far.

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