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Discussion Starter · #1 ·
Does anyone else's Forte make some interesting noises when the A/C is turned on/left on for an extended period of time?

Sometimes you can hear excessive engine noise that changes with the A/C, other times theres alot of A/C gurgling, like i just turned it off, but its on.

Other than the noises, its working correctly, I'm just being paranoid as i went from a Chrysler that made so many different noises while i owned it and none of them were there when i bought the car; The forte has had noises i didnt understand from day 1.

I also get what sounds like a belt chirp when i tap the gas, and its steady when coasting in neutral/clutch depressed at 1-1.4k RPM's, this is regardless if the A/C is on or not. The dealer cant pinpoint it as its situational, but its getting pretty irritating. They 'snugged' up my belts and everything, i got in my car, and its the first thing i heard. Ideas?
 

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hmm I here a bit of a chirpish belt like sound only when the ac is on and the compressure is on.. but it does not do it all the time its the weirdest thing I've ever had on a new car.. nock on wood I've not had that happend last couple of days.

you might be hearing the fan, since as far as I can tell there is only one fan on the rad side where normally most cars have two fans.. I'm guessing that the one fan has 2 speeds.. and when ac is on it kicks into higher speeds to help keep little koup cool..
thats my best guess lol I could be wrong
 

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mine sound realy loud when the a/c is running like the a/c compressor is making the noise, it will go away when the a/c is shut off.
 

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i was just noticing that my compressor is making a humming sound and was going to ask about it when I saw this thread. I heard some other sedan owners have this same issue. it doesn't seem to affect the performance of the a/c, but if anyone has any insight, I'm sure we'd love to hear. I have to take my EX sedan to the dealer to get the airbags reprogrammed and I plan on asking them about the compressor noise (along with some other issues) when I get there. The dealer broke their laptop dock and so I've been waiting 2 weeks for them to get a new one. If I find anything I'll be sure to share.
 

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They 'snugged' up my belts and everything, i got in my car, and its the first thing i heard. Ideas?
LOL,,, your 'dealer' lies like a rug !

there is no 'adjustment' for the serpentine engine belt.... one belt runs everything, and any and all 'slack' is taken up by a spring loaded "tensionor' pulley.

again, there is no adjusting this,, the tensioner pulley can only be replaced if there is not enough force to keep the belts "tight"

also , the belts might be mis-aligned or cracked and worn,, although unlikely with such a new model.

FIND A NEW DEALER !;)


p.s...... not sure?... try popping the hood and have a look yourself, it is very easy to see!
 

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Discussion Starter · #7 ·
My dealer has been awesome every step of the way. I have a fairly extensive knowledge of cars and know what a serpentine belt and tensioner are. I'm sorry my original post did not include the details of this. The tech made sure everything was there correctly and that there was no damage to anything because of the said noise. He also asked me to bring it back in within a week after a good driving so its nice and warm so it can be looked at while hot. The noise im hearing definitely sounds like a spinning part or something around/connected to a spinning part, but only in that range of RPM.
 

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Does anyone else's Forte make some interesting noises when the A/C is turned on/left on for an extended period of time?

Sometimes you can hear excessive engine noise that changes with the A/C, other times theres alot of A/C gurgling, like i just turned it off, but its on.

Other than the noises, its working correctly, I'm just being paranoid as i went from a Chrysler that made so many different noises while i owned it and none of them were there when i bought the car; The forte has had noises i didnt understand from day 1.

I also get what sounds like a belt chirp when i tap the gas, and its steady when coasting in neutral/clutch depressed at 1-1.4k RPM's, this is regardless if the A/C is on or not. The dealer cant pinpoint it as its situational, but its getting pretty irritating. They 'snugged' up my belts and everything, i got in my car, and its the first thing i heard. Ideas?

I'm experiencing the belt chirp noise also. It's getting very irritating. I don't know what to do since the dealer can find where the problem is coming from.
 

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A/C very noisy - Forte SX 2011

Hi, I have the same problem with loud noise coming from passenger foot area. Depends of weather outside when A/C is on automatic.

Stops when I turn it all off.

Sound like a bubbles in a liquid after 10 minutes of driving but my dealer can't find anything.

Very annoying as it sound like having a 10 years old car

Anyone that had this fixed?
 

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Humming Noise coming from my engine

Hi everyone. I have a 2010 Kia Forte, 4 door sedan 2.0. I started hearing a humming noise coming from the engine. I took the car to the dealership and they said it is the air conditioning compressor. I was told it would not hurt the car to drive it until I get it fixed. The dealership wanted $1200.00 to fix it!! The problem is the noise is getting louder and louder and I am worried something is going to happen with the engine if I continue to drive the car. A friend said the Serpintine belt will freeze, my power steering will go out and my engine will blow due to overheating. Is this true? Does anyone know anything about this? Is changing the a/c compressor, receiver/dryer line a hard repair?

Thanks

AnitaM
 

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If the a/c clutch locks up yes the belt will slip and fail. Then you may or may not end up in the rest of the scenario. As for hard? To me no...but I am a experienced mech. To a novice? Definitely. Plus the whole argument of needing to capture the refrigerant safely etc etc.
 

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Hi everyone. I have a 2010 Kia Forte, 4 door sedan 2.0. I started hearing a humming noise coming from the engine. I took the car to the dealership and they said it is the air conditioning compressor. I was told it would not hurt the car to drive it until I get it fixed. The dealership wanted $1200.00 to fix it!! The problem is the noise is getting louder and louder and I am worried something is going to happen with the engine if I continue to drive the car. A friend said the Serpintine belt will freeze, my power steering will go out and my engine will blow due to overheating. Is this true? Does anyone know anything about this? Is changing the a/c compressor, receiver/dryer line a hard repair?

Thanks

AnitaM
The ac compressor locking up and blowing the engine is a pretty extreme and unlikely scenario. If it ever did freeze up the power of the crank would probably overpower it and if it didn't it would just stall the engine. the only way you will over heat is if you ran without the belt for an extended amount of timing meaning the water pump wouldn't be circulating coolant throughout the engine. If you are super worried about it and don't have the money to fix it now you could always buy a shorter belt and bypass the compressor pulley. Installing the compressor is pretty straight forward but vacuuming the system and adding compressor oil and refrigerant is where it gets tricking and would require you taking it to a shop.
 

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2012 Forte 2.0 engine - Noisy engine

Hi
From the Beginning, I have notice a humming noise when the A/C was truned on after the A/C is not use for a while. The noise disappeared over the time and now I have noticed a different noise like worn bearing. I have removed the drive belt and the noise was gone. By rotating manually the power streering pulley, the alternator pulley, the belt tensioner, etc, I found that it is the A/C clutch that is making the noise I could hear when the engine is running. The noise intensity is increasing and I will go to the dealer for a check. My car has 52500 Km.
 

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When was your last service of the vehicle was done? Overall if we separately look at the problems it can be divided into following parts (i) AC Problem (ii) Belt problem. There might be some other problems also. So my best advice to you is that you should get checked your vehicle from knowledgeable professional mechanic. Your Vehicle's AC is getting more load and it is also effecting the running power of your vehicle.
 

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2012 Forte 2.0 engine - Noisy engine (Part 2)

I have finally replaced the A/C compressor clutch bearing and all the noises are gone. The engine has never been as quit as it is now. It was not an easy job - need to remove the radiator, the intake manifold and the passenger side engine mount. The front engine mount need to be partially unbolted to gain space to remove the rad and the fan shroud.
The bearing is available at your local bearing retailer and no special tools are required except to drain/refill the A/C.
 

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I know this thread is old, but It's nice to find these oldies but goodies. My 2013 Forte5 had excessive engine noise while accelerating and the dealership diagnosed it as a bad a/c compressor, simply by putting the car in drive, holding the brake and giving it a tiny bit of gas with and without the a/c running. It was significantly louder when the a/c was on.

Should have it back in a couple of days, fingers crossed the sound is gone!
 
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