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2010 Hyundai Genesis Intermittent AC
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blessedvoldad
New User
Jun 7, 2013, 11:33 AM
Post #1 of 6
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2010 Hyundai Genesis Intermittent AC
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2010 Hyundai Genesis Coupe 3.8 - 75K Miles
Just bought this car from out of state and discovered on our way home (about 300 miles into the drive) that the AC has an intermittent cooling problem. The AC will operate as expected for 10-15 minutes and then it stops blowing cold air. The display indicates the fan is blowing at full speed but very little air comes out of the vents. Once this begins, if I turn the AC off for 15 minutes or so, the AC returns to normal and blows cold air as expected for 10-15 minutes. This cycle repeated for the entire trip. Any ideas on where to begin looking? All help is appreciated!
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Hammer Time
Ultimate Carjunky
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Jun 7, 2013, 12:13 PM
Post #2 of 6
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Re: 2010 Hyundai Genesis Intermittent AC
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Did you have the blower turned down to low before this happened?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
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Jun 7, 2013, 12:16 PM
Post #3 of 6
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Re: 2010 Hyundai Genesis Intermittent AC
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Could be the evaporator is freezing up.
Do you hear the blower running when air isn't blowing out the vents? Does it blow out any of the other vents such as floor or defroster?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
Ultimate Carjunky
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Jun 7, 2013, 12:17 PM
Post #4 of 6
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Re: 2010 Hyundai Genesis Intermittent AC
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That's what I was getting at when I asked the question.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
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Jun 7, 2013, 12:33 PM
Post #5 of 6
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Re: 2010 Hyundai Genesis Intermittent AC
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Sorry HT, didn't scroll down to see your reply. This 14 inch CRT monitor stinks.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
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Jun 7, 2013, 12:42 PM
Post #6 of 6
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Re: 2010 Hyundai Genesis Intermittent AC
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blessedvoldad : At a glance that sound like evaporator icing as mentioned. If so you would notice lower air flow out vents without changing fan speed setting and lack of condensate dripping out to ground which goes without notice driving along.
Seems like since you noticed this 300 miles into trip you are not going back for a fix no matter what unless it has some transferable warranty of some kind.
If, and this is still if icing and can duplicate it now where your destination is you could just park engine running when this happens and shut down A/C after noticing no water/condensate dripping and then as it melts would commonly make one huge puddle as it melts then work again. When happening you might also notice a frosted up return line from the evaporator seen underhood.
Could be some other cause entirely and needs the observations to begin to narrow it down. If you are going to take this on please indicate what what Skills and equipment you have. If under warranty and might be if even thru manufacturer do check on that.
If not taking on the problem just detail your observations as best you can to the shop of your choice that does have A/C experience and the equipment.
A/C is one area where doing things wrong easily makes problems worse and more expensive,
T
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