my ac only works when driving

Air condition systems only need around 6 lb of pressure to operate. AC Blows Cold Air Only When Driving 30 MPH or Faster.

Air Conditioner Only Works When Driving What Could Be Wrong

When you are driving your engine is running at a higher speed typically 1500 to 2500 rpm so the compressor turns faster and you have more AC cooling.

. Since the AC compressor is driven by the engine it doesnt pump as much refrigerant when youre at a stop. Next day the car only started to only get cool when driving. 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.

Why does my car AC get warm when I stop. When driving at slower speeds or idling. Nine causes of car AC work intermittently.

At idle with ac fan speed is anywhere from 380-500rpm usually on the lower end. If thats not the issue then your coils on your condenser is stopped up not allowing it to cool the air. Suggest you hook up a AC manifold gauge.

Vent doors not operating correctly. In case only the pulley. Engine Overheat On the off chance that your AC possibly works when you are driving your.

At idle parked or stopped at a. A condenser a tiny heat exchanger is used in all vehicle air conditioning systems and it is. Your AC system is low on refrigerant.

Just turn on the car and ac and look to see if its. AC only works while driving 1. Reasons Why AC Only Works When Driving We can see that the operation of the air conditioning system is not simple at all when it has to go through a large number of stages in.

This part is responsible for transferring the heat coming from the system and. AC condenser fan. At idle with ac off it seems to stay in the mid to low 300.

Your cars AC condenser keeps your air conditioner cool. These are some of the major causes of why AC only works when accelerating- 1. In this condition your AC only works when driving your vehicle because of outside air that is beneficial to cool the system.

Id bet your condenser fan is kaput and the high speed air when youre driving fast is doing the job it should. Lackovercharged refrigerant R-134a is vital to your vehicles air conditioning system. If the AC in a car only works when driving it could be due to a problem with the condenser fan.

Low engine coolant andor low refrigerant. The condenser fans become faulty due to burnout motors. To check if your compressor clutch works turn the AC to MAX and start the engine.

If this fan isnt working your AC wont be able to regulate the temperature inside your car. Get a thermometer that goes in your vent to see if its hot as you think it is or not from Amazon HERE. Never saw over 900rpms on the fan.

Your AC works by compressing freon cooling it down since its gotten hot from being compressed through the heat exchanger in front of your car sent to an expansion tube or. It got cool after about 2 mins of cruising at 50-60mph 3000rpm and vent temp would be around 55-60F at 85 Ambient. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH.

R-134a is a liquid refrigerant used in vehicles made after. The clutch and the pulley will spin both at the same time.

Ac Only Works When Driving What S Causing It