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1-18 of 18 Results
  1. 4th Generation Optima (2016 - 2020)
    2016 optima My ac is making a loud flapping or helicopter sound. It sounds like I'm driving next to a motorcycle. I've noticed that if I press the recirculation button (on or off. Just press it) the noise will stop. But it comes back when I decelerate and when I accelerate. Again pressing the...
  2. Engine and Technical Discussion
    hey guys, if someone could help me out please I feel like I've tried everything. My car started out running rough, but it was quiet. I drive an hour to and from work 5 days a week. I got the car at 35k and it is currently 90k. The rough idling has gotten worse, and I started by replacing the...
  3. Entertainment: Audio, Navigation, and Electronics
    Just ran across these: Mini Transducer Array with Enclosure With a little work, and an Arduino, you can create a replica of the LRAD. If someone were to array three or four of these behind your grill, could we use them as an ultra 150DB or louder car horn? The reason an LRAD would be...
  4. Hybrids
    When I turn my AC on Auto or the highest fan setting when it's really hot out hear in Florida, it seems overly noisy. Almost like another unit in the engine area has kicked on to help. If I turn the fan down a few notches, the sound dims down. Whatever the sound is, it seems louder than the...
  5. The Service Center
    So I was driving to work this morning on the expressway at about 60mph like usual. All of a sudden I feel this loud bang; it felt like I hit an animal and scared the heck out of me. I looked in the rearview mirror and didn't see a thing, and the car kept driving fine so I just assumed I didn't...
  6. The Service Center
    First of all, I haven't been here in ages. I hope everyone is doing well! :) Our Kia is a 2012 with less than 35,000 miles on it. We've been having problems on and off with it, but the last 2 days have given us real cause for concern. When the steering wheel moves from left to right, there is...
  7. The Service Center
    It's pretty windy outside, and when I was driving home from Wal-Mart on the highway, I heard a constant whistle from the passenger side. I got rid of the crosswind whistle, but now I have to figure out how to get rid of this constant whistle. Jesus Christ I'm so sick of this car. I was so...
  8. Entertainment: Audio, Navigation, and Electronics
    So I just noticed today that the sound coming out of the speaker for phone calls is not loud anymore. I would have to crank it all the way to 20 to be able to hear the person on the other line. Anyone had this issue? Do I have to make a run to the dealer? Thanks for the help!
  9. Engine and Technical Discussion
    Hey all. I have a 2013 SX with right around 62K miles on it. recently I have started hearing what sounds like a loud fan sound when first starting the car. I dont see how it could be the fan though, as the car was cold (sat over night). I have checked the belt and that looks pretty good. Anyone...
  10. Wheels, Tires and Suspension
    Drive a 12 SX what's a decently priced tire that is quiet. never noticed how loud they are until I took off my snows this week...wow incredibly loud inside the car.
  11. 3rd Generation Optima (2011 - 2015)
    hey guys, i have my car parked in the snow all day, went snowboarding today. i have remote starter, so i started my car, upon starting it, i heard a very loud squeaky noise coming from the engine bay. only done it for a second. cold start up by the way. it didn't do it on the way home at the...
  12. 3rd Generation Optima (2011 - 2015)
    I have a very loud creak coming from right above me slightly to my right on my 2013 SX with 8k miles. Its incredibly annoying and it does it all the time driving, not just going over bumps. It seems to get louder the faster I drive. Anybody know If this is a known issue? Any steps I can take...
  13. Engine and Technical Discussion
    UPDATED with video's on how to hook up "Direct to Manifold" Below is a description of WHY and HOW to hook up your Synapse SB/DV or BOV of any other brand directly to the manifold in order to, 1 - bypass the OEM solenoid and 2 - Give the BOV a larger vacuum signal so it actuates faster and...
  14. 3rd Generation Optima (2011 - 2015)
    I have read other posts about the tires being lousy which accounts for the loud road noise ( my only complaint ) . My Optima has 225/45/18 and I have heard that Continental DWS series is a good replacement tire. I am in Canada but I can shoot across the border and get them for about 650...
  15. Hybrids
    While driving to work this morning, I was startled by an EXTREMELY LOUD POP! sound (my right ear is still ringing) that seemed to come from my car. This was followed shortly by a strong smell like electrical burning. I stopped for gas a few miles later and inspected the exterior of the vehicle...
  16. Wheels, Tires and Suspension
    Just bought some 245/40/18 to put on my 18x8.5 TSW's and the coopers are smoother but loud as heck on the highway so keep that in mind if your getting the coopers. Going to take them back tomorrow and maybe try the Hankook V4's but Bluestreak has them and only got about20k out of them.
  17. 3rd Generation Optima (2011 - 2015)
    Hey guys, have a 2012 Optima SX - car has 2250 miles on it. There is a loud noise, sounds like road noise but don't think its that... its like dutdutdutdut Doesn't matter if your turning or driving straight. You notice it more when driving straight cause you don't hear the wheel or anything...
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