my ac only works when driving
To maintain good airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically. One is that your condenser fan s is either not working or is worn out to the point that it cant spin sufficiently fast to bring enough air through the condenser.
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If this is the case then your fan is not forcing enough air over your AC condenser which will case it not to cool unless you are moving.
. AC only works while driving 1. 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. You can also face this problem due to the accumulation of dust in coils leakage of coolant and faulty compressor clutch.
You may notice the car being most affected when stopped as the engine is not working as hard and there is. VOLVO-V70 March 30 2019 128am 11. Get a thermometer that goes in your vent to see if its hot as you think it is or not from Amazon HERE.
This can result in warm air when the car is stopped. Ac cold while driving and not at a stop is typically indicative of an air flow problem if everything else is up to snuff. This is especially true when your car is stopped.
Sometimes your car AC only works when accelerating due to faulty condenser fans defective relays faulty motors broken switches and damaged capacitors. Condensers a tiny heat exchanger are used in. First of all you may simply be low on 134a which is the coolant used inside your AC unit.
There can be two possible reasons why your AC is only blowing cold air at high speeds. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. You need air moving overthrough the condenser whether its from the fan or from driving.
Here is my problem My AC only works when Im driving. Why would my AC only work when driving. It is easy enough to check to see if the fans are working or not.
Your AC only working when the car is moving could be due to a lack of enough refrigerant. If this fan isnt working your AC wont be able to regulate the temperature inside your car. The condenser needs airflow to remove heat from the refrigerant so if there isnt enough airflow the refrigerant wont get cold enough.
If Freon charge is good and. The main reason why your AC may only blow cold air when driving is that the airflow over the condenser coils is insufficient. To maintain airflow when the car is.
If thats not the issue then your coils on your condenser is stopped up not allowing it to cool the air. This is because it is not able to regulate the refrigerant needed to cool down the air. A condenser a tiny heat exchanger is used in all vehicle air conditioning systems and it is.
There are a few things that you could be looking at here. The airflow from driving helps keep the fan working so when your car stops so do the fan and your AC. Before this problem I installed a whole ac system compressor condenser drier low and high side lines and evaporator since my car was jacked up from the beginning with all the ac components.
Your air conditioner may be working but not at its intended power efficiency. The issue also comes due to low levels of freon and coolants. I got the donor system from a junkyard.
That is a simple and fairly cheap fix. Another problem you may have is your fan clutch may be bad. Low refrigerant levels will cause a lack of AC system pressure when the engine is idling.
Your cars AC condenser keeps your air conditioner cool. Up to 8 cash back AC is not working Inspection. Ian you are 8 years too late and I would hope they have fixed the problem or replaced the vehicle.
AC Blows Cold Air Only When Driving 30 MPH or Faster. 35 years of experience. Up to 8 cash back When your car is moving say at 45 MPH there is lots of air flow over the condenser the condenser is the heat exchanger in front of the radiator and that airflow is essential to proper ac system operation.
Normally car AC systems are built so that the higher the engine speed RPM the faster the AC compressor turns. So more power applied to the engine means more power applied to. Air condition systems only need around 6 lb of pressure to operate.
Low engine coolant andor low refrigerant level.
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