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  1. AD (2017-2020) Elantra
    Had a few earlier posts where you guys tried to help me diagnose a mystery whining noise. After a few mechanics (including lastly the Hyundai dealership) it is confirmed it is the transmission. Sound is indeed coming from the bell housing pump area. Both the dealership and an independent...
  2. AD (2017-2020) Elantra
    From previous post... Mechanic checked all belts and pulleys. I thought it might be a bad diode in the alternator but they said they removed that pulley and sound still happened. They said with a stethoscope they felt the noise was loudest at the bell housing part of the transmission...
  3. AD (2017-2020) Elantra
    Just a quick post about our 2020 Hyundai Elantra, purchased new in Jan 2021, only has 10K miles on it. Had regular maintenance done on it every 6 months, kept all receipts. Took it in for regular maintenance on 1/19/2024, tech said "engine knocking, get it to the dealer, it should be under...
  4. AD (2017-2020) Elantra
    Our 2018 Elantra has a fairly loud engine area whine when starting. You can also hear it quieter during some accelerations. Here is what we have had tested / diagnosed. This happens regardless of warm or cold temps outside. This happens even after the car has been started a few times and...
  5. LF (2015-2019) Sonata/i45
    Daughter got a hand me down 2015 Sonata Limited - has a 130K on it. She got it at 112K. The car has been great, but recently she complained of very hard shifting. This she said would happen when slowing down and coming to a stop. Today after doing a tune up on it and a full brake job I figured I...
  6. i30 & Elantra Touring Forum
    Hi guys, I have a 2011 automatic i30, it has some jerks when changing gears and when changing from third to fourth gear at around 60km the rev counter goes up a lot and then normalizes, most of the time this happens on hills and I'm noticing a delay when changing gears from R to D .I recently...
  7. AD (2017-2020) Elantra
    2018 Elantra 60K miles took car in for transmission flush. Mechanic is saying only in park when you start up the car there is a loud whining noise he thinks might be transmission or a "front pump." Goes away when in drive. He wasn't 100% sure the cause. We've heard that noise since we got the...
  8. DM (2013-2019) Santa Fe
    My 2017 Santa Fe Sport (2.4L, FWD, 93,000 miles) has a really harsh 6-5 downshift when it's "cold." The first few 6-5 downshifts on the highway are really bad. It only happens after it sat overnight, and after work. After the first few harsh shifts it smooths right out. I can tell the torque...
  9. RB (2012-2017) Accent
    Hello everyone. I will try to keep this short and sweet. I appreciate any responses. This problem has been plaguing me for the last few months. I bought this 2016 Hyundai Accent Sport 113k miles from a private seller for a pretty dang good deal. The catch was that it had the code P0420 which...
  10. AD (2017-2020) Elantra
    I’m new here, but I’m at a loss on where to go from here on troubleshooting this overheating issue with my car. I initially replaced the thermostat assembly thinking that was the issue because the fans worked and no errors were popping up. I could play with the gas peddle and get it to stop...
  11. TL (2016-2021) Tucson/IX35
    Hi, I'm changing out the trans fluid per the hard driving interval (actually at 70k). The fill hole bolt didn't have a crush washer come off and I'm wondering if: A. It's stuck in there or B. If it was previously serviced and the previous owner never reinstalled one Looking at the image below...
  12. Veloster
    Hi, first time post. I have a 2014 Veloster (manual) that has begun shuddering today and was wondering if anyone else has experienced this same issue. It feels almost as if you were trying to take off and not giving the car enough rpms and the car was "bogging" down. However even launching with...
  13. GB (2015-2020) i20
    Anybody experience rough gear shifts with their i20 Active when putting in reverse? Mine is a 2020. My dealer says that it is normal for the shifts to be a little rougher that others and that it has something to do with the pressure releasing or something like that. Another mechanic says that...
  14. i30 & Elantra Touring Forum
    Hi everyone, I bought a 2011 Touring last year and figured it might be good to change the fluids. I've thought about doing the transmission fluid and have a few questions regarding this: Are the drain/fill plug locations on the Touring the same as the sedan? The 2010 model, that is. I believe...
  15. AD (2017-2020) Elantra
    We are the second owner of a 2018 Elantra - bought from a (non Hyundai) dealership. 65k miles. Overnight a month ago, it has turned into the car from ****, with previously no mechanical, etc issues at all whatsoever. The ESC light started coming on and causing the car to slow down/not...
  16. XD (2001-2006) Elantra
    I have an 06 Elantra with 94k miles on it. Since I’ve had the car, I’ve had issues with it jerking going into 3rd gear specifically. The last mechanic I went to told me to top it off with transmission fluid which I did, and it seemed to ease the issues, however the jerking is back and it’s...
  17. Genesis DH 2015-
    I wanted to put this out here to see if anyone else has had similar issues, and what might be done with it. I own a 2015 Genesis 5.0 Sedan, and I have these random occurrences with shift flare. Like 5-10 time per year, my car will suddenly forget how to shift smoothly between 2-3 and 4-5 gears...
  18. AD (2017-2020) Elantra
    So I went and got my oil changed, and the kid started to drain my transmission and tried to fill it back up and instead overfilled it. I didn't know until it started shifting weird. It came out of the overflow tube sitting on top of my transmission and down the side. They wouldn't admit to it...
  19. SM (2001-2006) Santa Fe
    Hi all My MY2004 Santa Fe GLS 2.7 4wd suddently stopped on the highway, (It was driving fine and then came to a sputtering stop) had it towed back. It suddenly happened. My transmission was working just fine till that moment. I didn't hear any bang or anything, but maybe the noise got drowned...
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