my ac only works when driving

Air condition systems only need around 6 lb of pressure to operate. Car air conditioner not blowing cold air when idling is a pretty common issue related to your vehicles AC unit.

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When driving heating works-ish.

. I need help finding why my cars air conditioning 2011 Ford Mustang v6 is only blowing cold air at idling and not while driving on the highway when its 100F here in Nashville. It stops working with any stop and go driving. The ac works only when the car is accelerating.

Also crank the car and turn on the ac. Replaced the AC compressor. Sometimes the AC works but only when the car is driving down the road.

VOLVO-V70 March 30 2019 128am 11. Had all AC System replaced and by that i mean sensors pumpcondenser etc. Ive tried putting it in neutral and revving the engine while waiting to move again but this does not seem to make a difference.

I find it hard to believe the compressor is the problem. If i hit the streets with a temp of 80outside the ac will startblowing warm air and after. The ac on my 2008 20 l turbo now only works when i am driving at speeds of at least 30 mph.

Works well on highway. Have the same problem. My AC only works when driving on low what could cause that.

Get a thermometer that goes in your vent to see if its hot as you think it is or not from Amazon HERE. As soon as you slow down the ac goes out. Up to 8 cash back My ac hasnt worked for over a year Now.

But if the car is parked in an unshaded area under the hot sun the AC keeps on blowing hot air. AC Blows Cold Air Only When Driving 30 MPH or Faster. If thats not the issue then your coils on your condenser is stopped up not allowing it to cool the air.

You nailed itac clutch on its way out. Higher rpm causes the clutch to engage thus pumping refrigerant and. Usually they work or they dont.

Your cars AC condenser keeps your air conditioner cool. If the car is standing still on the parking lot heater blows cold air. My fiancees 03 RSX base has some weird AC issues.

My ac hasnt worked for over a year Now. As cars age the ac gets a bit less efficient like everything else. The ones for the AC are closest to the front of the car.

Asked by morenu86 in Modesto CA on August 01 2014. Any idea why AC only blows cold when moving. In the mornings while driving to work it blows cold air since its maybe 78 outside but once I get off work its 100F and it wont blow cold air.

Ian you are 8 years too late and I would hope they have fixed the problem or replaced the vehicle. AC condenser fan. I checked the water pump.

The car is heating only when i am accelerating. The group of 3 say start ac high and ac low. They will bull out like a plug straight up.

If this fan isnt working your AC wont be able to regulate the temperature inside your car. Up to 20 cash back Ac on auto only works when you drive fast. Friday August 21st 2009 AT 223 PM.

I stopped at a stop. There are 3 small black rectangle boxes that are relays. If this is happening to you there are several possible reasons and solutions you should consider.

We have done the research and compiled a list of potential problems. Reasons your air conditioning is only working when driving include - AC Condenser Fan. This is especially true when your car is stopped.

Friday August 21st 2009 AT 214 PM. Open the hood and on the divers side open that black box fuse cover that looks similar to a air filter box. Rael July 6 2008 826pm 1.

That sounds like it could be the radiator cooling fan not working right. Up to 8 cash back on July 28 2017. I brought it in to get serviced and I was told that my wires were melted and thats why it stopped working so I had them replaced and after the ac was Back to normal for 2 weeks.

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. If i am revving the engine from 1000 to 2000 and back or accelerating the heater starts working.

And yet AC wont work properly. Read on to learn the most common reasons as well as how to fix the problem in each case. With the AC on in parknuetral sometimes not always there is a hummingbuzzing that gets stronger with RPMs.

The airflow from driving helps keep the fan working so when your car stops so do the fan and your AC. It may come back but only when you -. When youre driving the radiator fan doesnt need to work to keep it cool but at stops it does so it could be not working the way it.

Swap the high and low relays. It looks normal nothing broken or weird about it. 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 vehicle accelerates.

Up to 20 cash back Ac on auto only works when you drive fast. You mean low vehicle speed or low fan speed. Pop the hood and see if the fan is spinning.

Basically the AC high pressure hose is kind of like a turbo for your AC - it supplies more pressure when youre idling and less pressure when the AC motor is. Dont put your hand in there. The AC blows cold only with consistent long driving at decent speeds.

2002 Honda CR-V. The AC blows hard all the time but when you are sitting at. When driving heating works-ish.

What could be the problem. It only works if temp outside is not hot or when i drive it on the freeway. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH.

Now unless I have it only on a low setting and driving at 45mph is the only time it BARLEY blows out cold air. There are many reasons why you might find the AC only works when driving but doesnt blow cold air during idle. Gen II Dakota 97-04 10 months ago.

Take a look at the condenser if you can see it through the grille or from underneath and see if its clogged.

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