Refilling the Freon in your car ac system can be the solution for car air conditioners blowing hot air when idle. Cooling fans not workingthe reason it dont run hot when youre going 55 or 65 mph is because enough air is flowing through because of speed to cool the systemthen in stop and goNOT enough time or air flowing throughfix the cooling fan problembefore you RUN IT TOO HOT AND DAMAGE THE ENGINEtemp sensoror air in the system.
6 Reasons Why Car Ac Not Blowing Cold Air When Idle
If the ac isnt blowing cold air when the car is idling this is an indication that there may be a problem with the AC system high pressure hose.
. Wifes AC on 06 Corolla was not blowing cold enough air so I bought AC Pro recharge kit and refilled the system. My AC started blowing warm air when sitting idle. Since the AC compressor is driven by the engine it doesnt pump as much refrigerant when youre at a stop or driving slowly.
If your system has a leak it could be causing the unit to blow warm air since there isnt enough refrigerant in the system to cool things down. We checked the pressure with one of those do it yourself refill kits and it is in the normal range so we were afraid to add any. There are several ways debris can get into your cars air conditioning system to make it not blow cold air.
Is there any test I could do to determine which component is at fault. The compressor of the AC system moves heat from the radiator to the condenser. Almost immediately at stopping at idle it begins to blow warmhotter air.
So check the Freon level in the first place. The only time you can tell something is wrong if you stop and it starts to blow warm. AC blows with good gusto cold when vehicle is moving down the road.
Thankfully in this guide we will review each of these car AC problems in detail. Another common reason for car air conditioner not blowing cold air when idling is an overheated engine. Most cars have two cooling fans one for the condenser and the other for the radiator.
If anyone has a pretty good idea of what this is please let me know I would appreciate it. This problem is a known issue See Bulletin No. The outside temp was around 90.
If its hot in a situation of car air conditioner blowing hot air then its an engine problem. It sounds like your thermostat may be stuck open with the engine working hard the temperature of the engine comes up thus the warm air but just at an idle the thermostat is letting the coolant circulate and not holding it their until it reaches a warm enough temp. I show in this video what was causing the problem and how I fixed it on my 2005 Hyundai Santa Fe.
Usually such a condition begins with a decreased cooling performance only when idling but later turns into a more noticeable and serious problem where the AC stops cooling completely and even starts to spit out hot gusts of air. The air is blowing and when i idle the car it is warm air blowing then when i take off i will start having the AC get cold as i drive. If the system is low on refrigerant it will show up as AC blows warm at idle and blows colder when the engine is running at higher RPMs.
I drive a 2017 Perodua Bezza Malaysia. Get your system refrigerant level. Your AC system is low on refrigerant.
This typically happens if the engine is too hot so be sure to check the engine temperature. It is also possible that there is a problem with the AC compressor. That being said he was way too busy at the time to dive into another project.
I got in the car and noticed the ac was cold but it felt a little weak didnt really think much of it as it was really hot outside. Some cars have a shut off feature that will disengage the ac compressor if your engine is under duress. First the air conditioner may not be the problem.
Up to 8 cash back The purpose of the high pressure hose is to increase and decrease AC pressure during different driving conditions. An AC that malfunctions can show the first signs of error when it is restricted in power. Then I was sitting idle waiting to get an emissions test and the ac started blowing hot air.
The engine temp is also normal. The AC is now cold but only when the car is sitting idle. AC stops cooling and blows warm air when the vehicle is idling for an extended period of time such as sitting in traffic.
Its also possible that the problem could be caused by the refrigerant itselfor at least the lack of refrigerant. When driving it blows warm. Inadequate airflow over the condenser may cause this condition.
Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. The most common cause of an AC system blowing warm air is a lack of refrigerant though you may also have a problem with your condenser. When it was showing the high pressure at idle the compressor was working and fan was on.
What could be the reason for this. 2 cause of AC blows warm at idle. I checked the pressure this morning and it.
HEATER BLOWS HOT AT IDLE COLD WHEN DRIVING DEMONSTRATED ON DODGEIf you have a car that blow warm hot air at idle but when you start driving down the highway. The fans are working. Thanks for listening gents.
I released pressure at idle until it was at 40psi at idle and was constantly blowing warm air at all rpms. As stated my cars AC will blow cold when idle but when I start moving the AC blow hot air.
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