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2006-2009 SE 6 cylinder Sonata Power!

19 messages,  Last post on Nov 01, 2009 at 3:17 PM

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#13 of 19 2008 Hyundai Sonata Transmission problems by sripree Oct 20, 2009 (5:21 am)
I have two problems 1) If I am driving in 50 MPH and I come to a complete stop, the car does change to a lower gear it simply turns off the engine 2) If I am driving in 40 MPH and then If I press the brake to reduce the speed and then make turn and then press the gas pedal to increase speed, the car just jerks for a few seconds before changing gear.   I have a feeling that the car has problems going from 2nd to 1st bear. Does anybody have the same problem. Are there any solutions?   Sridhar Replies to this message: newowner10 (Oct 20, 2009 10:20 am) sripree (Oct 20, 2009 10:25 am) newowner10 (Oct 21, 2009 5:07 am)
#14 of 19 Re: 2008 Hyundai Sonata Transmission problems [sripree] by newowner10 Oct 20, 2009 (10:20 am)
Replying to: sripree (Oct 20, 2009 5:21 am) The problem is the torque converter for #1 and probably #2. The torque converter in locked when you are stopping so there is no slippage to allow the engine to idle. This should be 100% in warrenty unless you have driven 100,000 miles. Replies to this message: sripree (Oct 20, 2009 10:25 am) newowner10 (Oct 21, 2009 5:07 am)
#15 of 19 Re: 2008 Hyundai Sonata Transmission problems [newowner10] by sripree Oct 20, 2009 (10:25 am)
Replying to: newowner10 (Oct 20, 2009 10:20 am) Thanks for the reply.   Do you know how long it takes to fix it? Replies to this message: newowner10 (Oct 21, 2009 5:07 am)
#16 of 19 Re: 2008 Hyundai Sonata Transmission problems [sripree] by newowner10 Oct 21, 2009 (5:07 am)
Replying to: sripree (Oct 20, 2009 10:25 am) The dealer would know that probably a day of labor. The dealer will verify the problem first.
#17 of 19 2007 SONATA V6 FLOWMASTER MUFFLERS by tgrose Oct 30, 2009 (8:54 am)
I installed a pair of 40 series 2 chambers. They sound very good - no bumble bee sound, but my highway gas mileage dropped from 32 to 26. I guess it's a mistake to cut off the factory mufflers and sacrifice that many MPG's. My mileage to and from work has not changed?? Replies to this message: newowner10 (Oct 30, 2009 10:28 am) 8babies1dog (Nov 01, 2009 3:17 pm)
#18 of 19 Re: 2007 SONATA V6 FLOWMASTER MUFFLERS [tgrose] by newowner10 Oct 30, 2009 (10:28 am)
Replying to: tgrose (Oct 30, 2009 8:54 am) Maybe the engine will adjust to the new mufflers or you are on the gas more because you like the sound
#19 of 19 Re: 2007 SONATA V6 FLOWMASTER MUFFLERS [tgrose] by 8babies1dog Nov 01, 2009 (3:17 pm)
Replying to: tgrose (Oct 30, 2009 8:54 am) If your new mufflers restrict the flow any at all it will drop your HP and MPG. It happened to me before. With catylitic converters the system may be thrown off. Just the opposite happens if you open the flow you will gain HP and MPG like when headers are installed, have done that also. I used to work on my own vehicles but with all the new junk they have on them it takes a computer now.

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