Question about 2006 Hyundai Tucson
Last year we had the ac clutch replaced, which seemed to resolve the issue, until it got hot again this summer. Now the same exact thing is happening. When you are stopped at a red light during the hot summer the ac begins to blow warm and un conditioned air. As soon as you give it the gas it begins working properly again.
Posted by Anonymous on
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Posted on Jan 02, 2017
It needs to be diagnosed. It's normal for the AC to shut down when the engine overheats. The engine computer (called the ECU - Engine Control Unit) monitors the coolant temperature by means of a coolant temperature sensor (cts). When this sensor tells the computer the engine is too hot (above 230 to 240 degrees), the ECU turns off the AC compressor and the cooling system fans go to MAXIMUM (HIGH) speed. By the way, there are two engine/coolant temp sensors - one for the instrument gauges, the other for the ECU. If this sensor is malfunctioning, it can cause the symptom you describe - BUT that needs to be verified. Best solution, take it back into the mechanics/technicians and have them determine if that's all this is, because if it isn't, something else could be seriously wrong (clogged radiator, malfunctioning water pump, bad thermostat (even though it's new (or maybe it didn't actually get replaced), and there's a slew of other possible causes.. leaking head gasket for one. Best have the professionals (if they are professional) diagnose it.
Posted on May 27, 2009
SOURCE: air conditioner blow out hot air
Maybe your heater is working at the same time. An open heater valve can cause this. Maybe there is a leak in the vacuum that pull the heater valve diaphram close.
Posted on Jun 29, 2009
Check all the fuses and the a/c relays. Depending on how long the car has sat but it is possible that if you had a small leak in the system, that all the refrig has leaked out.2005 is possibly still under warranty. I would suggest contacting Hyundai first before you do anything to see, maybe you won't have to pay for it or possibly they have had a recall on some A/C part. What do you have to lose.
Posted on Jul 19, 2009
replace the battery hyundai/kia use some pretty crappy batteries i am a kia / hyundai tech and have had to replace batteries when the cars have come off the truck i would buy an interstae or exide and you wont ahve the issue again
Posted on Aug 18, 2009
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