Sonata NF (2006-10) :: AirCon Stop Working / Compressor Won't Turn On
Jul 21, 2015
I have an 06 Sonata 4Cyl
My air conditioner has decided to stop working. The compressor wont turn on. This has happened in the past a handful of times but it has always come back either after changing my cabin air filter or just by itself after a few minutes. So far its been 24 hours and it still doesn't work.
From reading online, I'm thinking one thing to check is the Evaporator Temperature Sensor. It seems like that could explain the behavior in the past..
In the manual, it says "Pull out out the passenger's crash pad center low cover". Where is this?
After watching this video: [URL] .... I thought I knew where it was, but when I look in that location, I don't see any connectors.
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I have a 2006 Sonata that the driver side fog light stop working. I assumed it was a bulb from the posts I read. However when I replaced the bulb I noted it still did not work and I checked the replacement as well as the original bulb with an ohm meter and found both bulbs were good. So I wiggled the socket & wiring to see if there was a break or short but nothing seemed to fix the problem. Since the fog light on the other side still works, I did not check for a blown fuse.
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I've been having some troubles with my 2009 Hyundai sonata GLS 100k 4 cyl. Its quite an odd issue I've been having with my power windows. It seems that the switches or relays stop working intermittently however it does it in an odd fashion. First the drivers master switch works for all but sometimes not for the front passenger up nor down . The front passenger switch/relay does not work at times, up nor down, the rear passenger does not go up at all and the rear driver switch does not go down at all. I can't for the life of me fathom what might actually be the issue other than, all the switches breaking at the same time(due to power surge ?) Another theory I have is that is that my passengers and I sometimes place cellphones in the door handle and may have somehow damaged the switch ? I know these are some whacky conjectures but that I can think of.
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During the past couple of months, I've noticed a moaning when I turn the steering wheel at slow speeds, mainly while driving in parking lots. When I turn the A/C off, the sound disappears. Is my compressor on its way out? The dealer replaced a leaky condenser in 2011. My fear is that they didn't replace it properly with adding oil back to the system.
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My 2006 Sonata GLS 3.3 A/C started blowing warm, so I checked all the fuses and they were good. Swapped the relays and still nothing so I check the wire to the compressor and it was reading 14v. This would lead me to believe the a/c clutch is bad, I didn't want to replace just the clutch incase my compressor craps out on me later on so I'm just replacing the whole thing now. My questions is how much oil does a new compressor need?
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I've got a 2007 Sonata that has started blowing HOT air. It's like the compressor isn't on. In looking for the issue, I looked for blown fuses first because I find it hard to believe that the AC would work fine and then stop working minutes later. Sure enough, I found a blown A CON fuse in the fuse box under the hood. No problem right? Just replace it and everything will be A-OK. WRONG. Every time I replace the fuse and test the AC it blows. I'm thinking maybe something with the relay?
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Bought daughter a 2008 Hyundai Elantra and now that it's warm the AC doesn't work. The compressor doesn't come on but i was able to jump it from the battery and it works. Checked all fuses 2 of the three fuses work however, the third (A/Con Switch) I think is for the automatic climate control. This is manual. I added r-134 with the compressor running and it doesn't seem to circulate. Checked the pressure, Low side seems normal the high side is low.
So in a nutshell, the compressor won't work unless it's jumped from the battery and the high side of the system is low. Low side is normal. Could it be the relay? i didn't check that.
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Just noticed yesterday that the compressor clutch does not disengage while the air conditioner is on. It is 2005 V6 Sonata Elite. All the other cars I have ever owned had compressor clutches that cycle. Internet searches indicate that there might be air conditioners with only a low-pressure switch.
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101,400 miles on car. Started noticing about 2 weeks ago, at idle, and as pickup up speed, a whining noise coming from the engine bay. It has gotten a little worse, so I started trouble shooting.
Basically, at idle, its somewhat annoying, but as you hit 20-30mph it can be more annoying if the radio is off or at low level. If Im sitting there in park, and its whining away, all it takes is me cutting the A/C knob to OFF, and then quiet as a mouse.
So, other than the compressor going bad, I can't see anything else related? I always hate when AC problems show up, they are never cheap....
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I have a BMW 318i and today the aircon/heater came on by itself and has stayed on, even when the car is completely off. I took it to an auto shop and the guy looked at the aircong flicked on/off all the buttons and said he would need to get it in for repair and I said I am concerned that if the car is turned off but the aircon is still running the car could run the battery flat or worse catch fire. He then said..its not on, and he was right he had turned it off.
I drove home knowing that I have had this car 10 years and its never done this before and it started up again. I parked my car and it was still running, so I decided to do what I saw him do and turn every button on and off. It seems to me to be an electric issue. This car always has its oil light on as well.
One last thing its nearly winter here and each day I drive the kids to school and the car seems to jut back and forth a bit when trying to drive. i can put my foot down on the pedal and and it takes a while for it to sbe responsive that it picks up speed. Could they be related?
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So I've had my 2011 Hyundai Sonata since May of 2013 and I've had few problems with it until now. For some reason, at seemingly completely random intervals, my cruise control will completely stop working while I'm driving. What exactly I mean by this is that I'll be driving with cruise control set and suddenly it kicks off and I have to continue by manually controlling the gas pedal. I am also completely unable to turn Cruise back on until I have shut off the car and turned it back on. There are also times where I'll have Cruise control "On" but not using it and suddenly the Cruise indicator light on the dash will disappear, I'll try to turn on Cruise at that point and it will not work. Again this is the case until I turn the car off and then back on again.
I have followed a couple guides on adjusting the wiring harness in the steering wheel, behind the air bag, to make sure it is not a loose connector issue, but this has not seemed to work. Another reason why I think this may be something more than just that is that I'm also having transmission issues that seem to correlate with the times that my car loses the ability to use Cruise Control. Everything is completely fine with the car, including the transmission, until the above mentioned issue occurs, at which point if I happen to be driving below about 50mph, or reach a point where I have to slow down below 50mph, my transmission begins to intermittently disengage and reengage fairly erratically. It has happened a couple times while cruising at around 65-70mph, but has acted the worst bellow 50mph.
To make things even MORE confusing, the transmission issues seem to correct themselves with a simple shut down and restart of the car, just like with the Cruise Control problem. I'm at a complete loss now. I don't want to deal with a dealership unless I absolutely have to.
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Turn signals quit working on my 2006 E-150. Swapped out the relay under the dash and it did nothing. Also noticed the brake lights aren't working. The headlights and taillight a are working. I pulled the fuses under dash for the lights and they tested ok. I did notice the flasher relay was making clicking sounds intermittently even when not touching anything.
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The turn signal lights in my brother's 2000 passat are staying lit when he turns the signals on. They work sometimes, for a few clicks, but then stop working.
1. is it the turn signal relay. It sounds like its in the middle of the dash.
2. how do you get to that relay?
Have to remove the HVAC controls? if so, how the heck do you do it?
[URL] ....
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Just noticed this tonight. While making a left turn, I had the blinker on and had the brakes applied and noticed the indicator on the instrument cluster was blinking. Once off the brakes, it took it a few seconds for it to resume blinking.
When I got home, I checked to see if the right signal did the same and it did. I also checked the rear lights and when the signal is on and the brakes are applied the light does not blink nor does it brighten up like they're supposed to when the brakes are applied, it stays dim as if both the blinker and brakes are off.
I did a quick search. I have not checked any of the bulbs or wiring, but I'm thinking it might be the turn signal switch/ lever. What the problem might be?
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When I accelerate from a stop, the car jumps, slows down, jumps again, etc... I do hear a noise when I accelerate rapidly on the highway, almost like a leak somewhere, but I'm not really sure.
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Having a problem with the 2008 Sonata GLS. When filling gas tank, pump nozzle clicks off, but gas flow continues, creating a significant spillage.
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I've got a 2011 Sonata Limited that I just purchased used, 20,000 miles. Everything is great besides the fact that the all the controls on the left hand side of the steering wheel will intermittently stop working. I brought it to Hyundai the first time I noticed and they replaced all the buttons but the issue persisted. So, I just picked it up today from them replacing the entire clockspring and the wiring behind it now. It worked great all day until just as I was pulling into my driveway and it happened again.
They basically told me this would 100% fix it because it's the only other thing that could be the issue. However, my gut keeps telling me it could be an issue with the radio itself. I've read a bunch of stuff on here about the issue but there was only a few responses of fixes (all of which I have tried).
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I have a 2009 SE, about 120k miles. A few months ago I noticed a creaking noise from the front brakes when nearing the end of a complete stop, and the closer completely stopped, the more pronounced the sound is. I took it to my mechanic assuming I needed new brake pads (had put about 40k on the car without replacing them).
The mechanic told me the pads were fine but the rotors needed to be "cleaned," which he did. The sound stopped VERY briefly but then returned and is getting worse. It's not quite a grinding, more like a tight-sounding creaking that "rolls" as the car stops.
Now, they don't feel any less effective or impaired, and as I said, it's only near the end of the stop, maybe 20mph and below. No noise in the beginning part of the stop. If the brake pads and rotors are both fine as my mechanic claimed...
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When I slow down to stop my 2008 Sonata it jerks. It is an intermittent issue. The car has 95,000 miles and when I called the dealer I was told they would start with changing the transmission fluid and go from there. I read on some other posts of this same type of issue being fixed by installing the latest software for the transmission, but this was related to 2009 & 2010 Sonatas. Is it possible that installing some new software would work on my 2008?
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i drained the 30000 mile fluid two weeks ago because it was harsh downshifting when coming to a stop... I was curious if others noticed a lot of metal sludge sticking to the magnetized drain plug???..
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My 2009 Sonata (4 Cyl.) has begun to downshift very rough while coming to a stop from about 20 mph. At first I thought it was the brakes, but now I'm convinced it's the transmission. Essentially it "jerks" a couple of times before stopping. It started happening at 30,000+ and only happens when transmission is still cold. Once I've driven for a bit it doesn't happen.
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