sonata ac only works when driving

If you put too much coolant into the system you can really do some. The most common reasons a Hyundai Sonata ac isnt working are a refrigerant leak an electrical climate control issue or a problem with the air conditioning compressor.

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When the car is moving versus stopped there is more air flow over the condenser the heat exchanger in front of the radiator and that airflow is essential to system operation.

. Basically the AC high pressure hose. The high pressure hose is designed to increase and decrease AC pressure during different driving conditions since the AC drive belt will increase in speed as the vehicle accelerates. After installing a new blower fan motor the ac would only come out the defrost vents.

As the car warms up the AC stops blowing air. Up to 25 cash back My 2009 Hyundai Sonatas AC works great when you first turn the car on. But if you have bought an imported used vehicle well take it to your preferred technician.

These are all faults that can cause an intermittent failure where. The relay that you will need to remove is under this cover. To maintain airflow when the car is.

But ensure the air-conditioning system is checked for leakage. AC Not Blowing Cold Hyundai Sonata. My air conditioner now only works on the coldest setting.

April 2014 edited April 2014. It will be cold at the start then blow warm air. Now that sounds easy.

If good then check the resistance of the coil itself. Up to 8 cash back One of the most common causes of the symptom youre describing is when you have a bad or failing AC high pressure hose. I checked in the Owners manual and found that it needs to be reset after battery replacement.

My air conditioner in my 2011 hyundai sonata only blows cold. Most of the time when your Sonatas air isnt blowing cold enough it is going to be a lack of refrigerant causing the problem. Its entirely possible that at 6 to 7 years of age a small leak has occurred and there has been some refrigerant loss.

It is easy enough to check. When a car stereo only works sometimes the problem is usually in the wiring. On hot days when the car has been parked in the sun turning on the AC usually will not turn on the compressor.

The factory vacuum check valve is very hard to get to. Fan speed recirculation AC are controlled automatically. The AC on my 2008 20 L turbo now only works when I am driving at speeds.

Answer 1 of 17. Up to 25 cash back 2012 Sonata. Up to 8 cash back AC is not working Inspection.

However depending on exactly how the stereo is failing to work you could also have an amp problem an internal fault in the head unit or even a problem with your speakers or speaker wires. Average repair cost is 780 at 78900 miles. If there is leakage then it would be a wasted effort to refill the refrigerant for it will soon be empty again.

With LCD shown AUTO AC is ON as needed. I cut the leads off of both sides of the connector. At the simplest level possible the heater works by passing hot coolant from the engine into a tiny radiator called the heater core.

If it is blank or if the air flow controls do not work properly the problem is in the control panel. Remove the trim panels on the passenger side unscrew the four panel screws and detach the cables from the controls. AC works great when we are moving down the highway but sitting still at traffic lights etc it starts blowing warm air.

Look at the graphics display on the dashboard. Ac works when on the rode driving but fails to cool when sitting at idle. 2004 Hyundai Sonata-Maintenance Repair.

First step is hook up a set of gauges and see what both the high and low side pressures are. 12 min read Maine mead works kennebunk Dec 28. If the AC is off the compressor is sort of free-wheeling and doesnt load up the engine.

I called the dealership when my brand new Hyundai Sonata 2012 air conditioner was blowing hot. Push it again AC is always OFF. 35 years of experience.

The condenser fan relay was removed temporarily to disconnect power to the fan. Ac only works when driving slow Apr 21. My 2006 Hyundai Sonata GLS V-6 81K miles has an air conditioner problem.

The symptom is this. The 2011 Hyundai Sonata has 19 problems reported for ac not working. Activate any of these controls forces only that control to operate in manual mode.

Before you dish out the on a new compressor check for a bad compressor clutch coil or leak in system low refrigerant. Push the AC button AC is always ON. If the fan is damaged or cannot run with its full force it cannot cool down the heat coming from the Freon refrigerant through the condenser.

A Faulty condenser fan. We recommend having a professional recharge your AC if it does end up being a coolant issue. There can be two possible reasons why your AC is only blowing cold air at high speeds.

At this point the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. I removed the condenser fan relay so that no power would be at the connector. So if I wait 5 minutes hot air is still coming out.

Take it to one of the companys approved workshops. If the Auto knob is pushed the LCD displays AUTO. If I turn the switch off and on a few times often it will come on with the third for fourth try then the.

Why wont my 2004 Sonata run with the air conditioner on. To check clutch coil remove the clutch coil connector and confirm that the voltage to the coil is 12V when the AC is turned on. One is that your condenser fans is either not working or is worn out to the point that it cant spin sufficiently fast to bring enough air through the condenser.

2014 Hyundai Sonata - AC doesnt blow cool when idling. The cooling fan in the condenser is the first thing that you should look into while finding out the reasons for car air conditioner not blowing cold air when idling. 37 of the time its the.

My wifes Hyundai Sonata 2012 models AC stops blowing cold air intermittently while driving. If it gets parked in the shade for a while the Ac will work great again but as soo. So i bypassed it.

Oxygen Sensor malfunction 1 Answer. Unplug the electrical connector and remove the control panel. AC Blows Cold Air Only When Driving 30 MPH or Faster.

There are many reasons why you might find the AC only works when driving but doesnt blow cold air during idle. If the heater has stopped working in your Sonata this process has failed in one way or another.

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