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Hyundai Elantra, Hatchback, Sedan
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#2500 of 3420 Possible transmission problem???
Sep 05, 2006 (6:54 am)
I have a 2005 Hyundai Elantra GLS 4door with Automatic transmission. It has been running quite well. This weekend, I had a trip to Smoky Mountain National Park with 5 people in the car (4 adults + one kid) and some lug gages. On the way from the Cherokee, NC to Gatlinburg, TN (climbing period, not that steep), I realized that the car speed couldn't get higher at about 40m/h although I hit the gas pedal pretty hard (I was using D shift at that time).
Meanwhile, there was a lot of "hong..hong" noise from the car (I am not sure if it is from the transmission or engine). I continued driving for a while at around 40m/h still with "D" shift. Then I decided to try "L" shift or "2" shift, after I did that, it became much worse, the "hong..hong" noise became much higher, so I shifted back to "D" shift. I still couldn't increase the speed and I started
to feel a strong smell (like a melting plastic or something). I was a little worried and decided to let the car stop and cool off. I also checked all the fluids level, all seems OK and no engine overheat, no warning lights on.
I stopped on the way for a couple of times to let the car cool. Finally I drove across the mountain. Because I was afraid that it might break down, I didn't change the shift to "L" shift down the mountain as it should be. After reaching the hotel, I didn't drive the car for half a day.
From Sunday to monday, I drove it again on the highway back to Atlanta, GA and Tallahassee, FL. The car ran quite well without any problem. I am thinking to send the car to Hyundai dealership to have it checked, especially transmission. Any comments or suggestion are highly appreciated.
#2501 of 3420 Trans Problems Elantra
Sep 05, 2006 (7:14 am)
I have 05 and 00 elantra's, the 05 with 20,000 started to have problems shifting. Dealer said it needed to be reporgramd.. I am having similar problems with 00 but this has 73000. found article in magazine that stated if battery was disconnected trans needed to be re programed. Also if trans axle is changed it needs to be reprogramed. I don't see this in the manual Hyundai should let owners know of this problem.
#2502 of 3420 Re: Possible transmission problem??? [readonly]
Sep 05, 2006 (8:24 am)
Definitely have it checked, there should not have been a noise, or smell. If the car needed to downshift going up the hill to maintain speed, it would have (or should have).
#2503 of 3420 Re: Trans Problems Elantra [dominquez]
Sep 05, 2006 (9:39 am)
Just pulling the battery does not require a reprogram, but the system will have to "re-learn" your driving habits. Think of it as having all the knowlege, but none of the experience. Once driven for a bit, your driving habits are re-learned.
With a complete transaxle replacement, there may need to be some reprogramming, but I would be suprised if there were that much variation between units.
#2504 of 3420 Re: Possible transmission problem??? [readonly]
Sep 05, 2006 (10:55 am)
I've driven that exact route from Gatlinburg to Cherokee, and back, serveral times, and it can be strenuous on a vehicle, especially one laden with passengers and luggage. I would certainly have the engine and transmission checked by a Hyundai dealer, or an independent mechanic familiar with the Elantra.
I'm not sure what the "hong . . . hong" sounds may be; if it's engine predetonation, you'd be hearing a pinging, or metallic sound. It sounds like it may be more transmission than engine, but that's only a shot in the dark.
Remember, you were also at altitude driving through the Smokies, so perhaps the ECM was not adjusting the fuel mixture and timing correctly???
#2505 of 3420 Where are my dash lights?
Sep 06, 2006 (12:42 pm)
I just got this car and I figured the dash lights would come on with the headlights, but apparently I'm wrong.. Is there a seperate switch or something?.. If so, where exactly is it?.. Or is it a blown fuse?.. I know it's a dumb question, but I'd rather be dumb than get pulled over because I can't see my spedometer at night.
#2506 of 3420 Re: Where are my dash lights? [rsj22]
Sep 06, 2006 (12:50 pm)
The dash lights should come one with the parking lights. Have you checked the dimmer (for the dash lights) switch? Sometimes when they are turned all the way down they may appear to be off.
If thats not the case its a blown fuse, if not that take it back to the dealer.
#2507 of 3420 Elantra is Possessed!
Sep 06, 2006 (3:55 pm)
Hello! I have a 2000 Elantra Wagon GLS, purchased new, did all the service stuff, never had any major problems till very recently. Car has about 78K miles on it, gets about 20mpg currently. The past few weeks engine is stalling (actually loses power) while driving, then resuming power, or alternately, engine accelerates sharply though I have not hit the gas. This is bad when in traffic! Car shakes when coming to a stop, though I have new tires and alignment. Forget putting the AC on, it bucks and stalls so badly it's not worth trying. Running rough, seems like it's not getting gas. This is my only car and I don't have tons of money to spend on it - is it worth getting fixed??? I am so disappointed since it's now paid off and it was always so good! Any suggestions would be MUCH appreciated.
#2508 of 3420 Re: Elantra is Possessed! [eilymari]
Sep 06, 2006 (5:39 pm)
You have owned the car for 6-7 years and have had no major problems until recently. That seems pretty good to me! Do you know a good mechanic who could check the car, including the diagnostic codes? Those could quickly tell you (or the mechanic actually) what the problem is. (Who has done all the regular maintenance on the car?) It could just be an adjustment or a failed part; it could be bad gas! You have done well over the years in keeping the car maintained, and it has done well by you. Isn't worth a few dollars to see what the problem is?
#2509 of 3420 Re: Elantra is Possessed! [eilymari]
Sep 06, 2006 (6:47 pm)
Hello fellow wagon owner. Mine was experiencing issues very similar to yours. It turned out to be the exhaust manifold.
Anyway your car is still under warranty for the power train so you may want to take it in to a dealer and have them check it.