my ac only works when driving

Next day the car only started to only get cool when driving. To check if your compressor clutch works turn the AC to MAX and start the engine.

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Ive tried putting it in neutral and revving the engine while waiting to move again but this does not seem to make a difference.

. The AC works best when the roadspeed is above about 25 and engine speed is above 1500 rpm. My one issue is the AC doesnt work when the truck is idling. Air condition systems only need around 6 lb of pressure to operate.

First the air flows will be available by compressing the refrigerant inside the cars air conditioning unit. Id bet your condenser fan is kaput and the high speed air when youre driving fast is doing the job it should. After that this gas will continue to flow through the condenser and turn into a liquid.

When driving at slower speeds or idling the AC. Low engine coolant andor low refrigerant level. This part is responsible for transferring the heat coming from the system and.

When your going down the road airflow is no. AC Blows Cold Air Only When Driving 30 MPH or Faster. The ac works only when the car is accelerating.

The condenser needs airflow to remove heat from the refrigerant so if there isnt enough airflow the refrigerant wont get cold enough. Suggest you hook up a AC manifold gauge set and see. You may have a fan malfunctioning.

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. Answer 1 of 12. AC only works while driving 1.

In this condition your AC only works when driving your vehicle because of outside air that is beneficial to cool the system. Driving down the road it works and gets nice and cold. The main reason why your AC may only blow cold air when driving is that the airflow over the condenser coils is insufficient.

If thats not the issue then your coils on your condenser is stopped up not allowing it to cool the air. When youre sitting in traffic the heat builds up under the hood and its harder to move heat. AC condenser fan.

The clutch and the pulley will spin both at the same time. If the AC in a car only works when driving it could be due to a problem with the condenser fan. Super nice super clean.

It got cool after about 2 mins of cruising at 50-60mph 3000rpm and vent temp would be around 55-60F at 85 Ambient air temp. The condenser fans become faulty due to burnout motors. The ac needs air constantly flowing across the condenser-this is the thing in front of your radiator that looks like a radiator.

This is especially true. Vent doors not operating correctly. So I just bought this new to me 03 Ram 2500HD 57L Hemi.

On the off chance that your AC possibly works. Now that summer is in full-swing I am at the end of my rope. The fan is still blowing when I am at a stoplight or in a drive-thru it just blows hot air.

Full larimie heated leather infinity sound system. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. These are some of the major causes of why AC only works when accelerating-1.

In case only the pulley rotates check the clutch. Up to 8 cash back 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. Why AC Only Works When Accelerating.

Your cars AC condenser keeps your air conditioner cool. A condenser a tiny heat exchanger is used in all vehicle air conditioning systems and it is. Just turn on the car and ac and look to see if its spinning.

When Im idling with AC on I can hear the AC compressor kicking on for under 3. If this fan isnt working your AC wont be able to regulate the temperature inside your car.

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