ac only works when driving reddit

Then when at idle at a stop light the temp would go up like the ac aint working at all. Learn about all the causes and solutions for this problem.

Brilliant

When Im idling with AC on I can hear the AC compressor kicking on for under 3.

. The air conditioning systems in most cars use a refrigerant called R-134a. The condenser fan is responsible for dissipating heat from the condenser similar to how the radiator fans work. Aannesley June 24 2009 951pm 4.

Car overheats and AC only works when driving. I popped the hood and noticed that when the AC compressor kicks on that it almost stalls the engine. If the compressor is not engaging or if it is not pumping enough refrigerant.

If the coolant level is low or there is a leak in the system this could cause the AC only to blow cold when the car is moving. While driving around with the AC on the engine seems normal and the AC works. Hey there Hoping someone can point me in a good direction.

If the AC in a car only works when driving it could be due to a problem with the condenser fan. By Tim Miller Guest Post. You need to take it to an AC shop so they can check and see if the expansion valve is working properly.

As soon as the engine temps hit normal. About Air Conditioning System. I have a 2014 Ford Fiesta that started giving me trouble yesterday.

Another cause is that the AC compressor is not working properly. AC only works while driving 4 common causes. Took this down to my local NAPA Auto store and.

It is easy enough to check. Driving down the road it works and gets nice and cold. They include wiring diagrams and technical service bulletins.

Reasons Why AC Only Works When Driving. If this valve fails to go the proper position for refrigerant line temperature it doesnt convert the refrigerant into a gas but instead it remains a liquid and the cooling effect stops. When I am at idle and I turn the AC on the engine seems to pulse and shake more than normal.

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. 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. There can be two possible reasons why your AC is only blowing cold air at high speeds.

Normally car AC systems are built so that the higher the engine speed RPM the faster the AC compressor turns. If the AC only works when the car is moving it can be confusing. This part is responsible for transferring the heat coming from.

His air compressor stopped working a few weeks ago and he hasnt had the funds to get it checked out. AC works fine to and from work 25 min drive. Some of these components may fail which could be the reason why your cars AC only works when driving.

The next day it was back to broken. Answer 1 of 17. As soon as you get moving it gets cold again.

The high pressure hose is designed to increase and. Next day the car only started to only get cool when driving. One possibility is that there is a problem with the cooling system itself.

The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. Car overheats and AC only works when driving. The cold air while moving could be just a case of air being forced into the car.

Mechanical problems in the dash. Posted by 3 years ago. How Your Car AC Works.

Id bet your condenser fan is kaput and the high speed air when youre driving fast is doing the job it should. Thus the AC would work while the vehicle is in motion and overheat and stop when the car is stopped and idling. The AC blows hard all the time but when you are sitting at idle at a redlight or something it goes from cold to lukewarm.

Here are the possible causes. Hello all Without the AC on the engine seems to run perfectly fine. Hi all I own a 09 Impreza and am having an issue where the AC only works when I first turn the car on.

Posted on October 14 2021 by Rick Muscoplat. Electric problems under the hood. 2013 chevy cruze AC only works while driving.

And noticed that the second fan on the radiator never came on although i. Our Favorite Central ACs. The most likely culprit is the condenser fan.

The most common is simply that youre just a little low on refrigerant. If not it could just be a bad relay so test that first 5-10 if its not the relay its probably the fan itself 50-80. Hydraulic problems under the hood.

Only luke warm air comes out. Just turn on the car and ac and look to see if its spinning. However the AC unit could be completely blown.

Super nice super clean. Full larimie heated leather infinity sound system. Older cars used R12 and some newer models are using a new kind thats called R1234yf.

There are two main reasons. One day while driving through a heavy rain the AC starts working out of nowhere. Bad or Failing Fan Clutch.

Electrical problems in the dash. So Why is My AC Only Cold While Driving. My one issue is the AC doesnt work when the truck is idling.

6 votes and 4 comments so far on Reddit. So I just bought this new to me 03 Ram 2500HD 57L Hemi. Today I get a call from him saying the AC started working again and again he is driving through a heavy rain.

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