air conditioner only works when driving

If that fan is weak or doesnt work your AC wont work at idle or at all in some cases. The cooling fan in the condenser is the first thing that you should look into while finding out the reasons for car air conditioner not blowing cold air when idling.

Now Hiring Hvac Service Technician Charleston Sc Come Work For The Most Trustworthy Air Conditioning And Heatin Hvac Services Dental Insurance Heating Company

System to provide cool air out the vents it must be abl.

. This helps to cool it down even without the fan. 99 of the time this problem is caused by insufficient air flow into the engine bay while vehicle is in slow moving traffic or at stop with engine and ac on. 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.

Had all AC System replaced and by that i mean sensors pumpcondenser etc. 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. This is because when youre driving air from outside of the car will still pass through the condenser.

If your car AC blows cold air when driving at highway speeds but turns warm at stop lights or when driving at slow speeds you may have a bad radiator fan or radiator fan relay. The fan is still blowing when I am at a stoplight or in a drive-thru it just blows hot air. Maryland may not be as brutal as Texas but getting through your day without a working air conditioner in your car is still a huge inconvenience.

A Faulty condenser fan. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. MY 1999 suburban has had issues with the air conditionervent system since we bought it used last year.

Ad Ask how to save an additional 15 off and never pay a trip charge again with repairs. Do not just add some in need to be recovered sucked down to a deep overnight vacuum and recharged with the proper equipment not just a can hooked to a gauge set. 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.

2002 Honda CR-V. If the high side is only 175 psi and the low side is 30 you do not have enough refrigerant in the system. 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.

Does your AC work fine when you first start the car but then fail after a while especially on hotter days. If i hit the streets with a temp of 80outside the ac will startblowing warm air and after. Ac cold while driving and not at a stop is typically indicative of an air flow problem if everything else is up to snuff.

It only works if temp outside is not hot or when i drive it on the freeway. If the fan is damaged or cannot run with its full force it cannot cool down the heat coming from the Freon refrigerant through the condenser. This door directs incoming air through either the AC evaporator or the heater core or a blend depending on the desired temperature.

The reason is obvious - even the very best condenser fans cant move as much air through the condenser as driving at even a modest speed. Hence why the AC only blows cool air when the vehicle is moving. There are many reasons why you might find the AC only works when driving but doesnt blow cold air during idle.

This is just a quick guess as you gave us no info about the vehicle. Car AC condenser fans cool down the condenser to compress the refrigerant gas properly. Now if the freon is low the AC may work OKAY at high speed.

But if the car air conditioning system condenser fan cant work the condenser cant compress the. Jun 24 2007. Many cars are equipped with two radiator fans while others have.

A malfunctioning vacuum-operated blend door will move in one direction when theres high vacuum idling and in the other direction at low vacuum driving which would result in exactly the situation you describe. AC Blows Cold Air Only When Driving 30 MPH or Faster. Car Bad Condenser Fan.

The fans have two modes a slow and fast one. When we turn the vent on it only blows out air when its on high in front-the rear vents work f. As soon as you slow down the ac goes out.

The ac works only when the car is accelerating. Asked by morenu86 in Modesto CA on August 01 2014. If Freon charge is good and.

So you went for a road trip or a long drive and after 30 minutes of driving realized that your AC suddenly stopped working or switched to blowing warm air. Driving down the road air flies through the condenser just because the vehicle is moving but at a stop a fan is required to help remove the heat. You need air moving overthrough the condenser whether its from the fan or from driving.

Ive tried putting it in neutral and revving the engine while waiting to move again but this does not seem to make a difference. But since the fan isnt working theres no air to cool down the condenser when youre stationary. Prompt Professional Repair Service 247.

The cold air returns shortly and the. Up to 25 cash back Ac on auto only works when you drive fast. AC Blows Cold Air Only When Driving 30 MPH or Faster.

There is a good chance your AC compressor clutch. Even if your freon is sufficiently high you might notice on hot days that the AC doesnt cool as well at a stop as when moving. It may come back but only when you -.

Anytime the AC is on the fans should be running. And yet AC wont work properly. The air conditioning compressor will turn off at the slightest rise of heat due to excessive HEAD PRESSURE - however the engine will not show any signs of overheating.

Pin On Vuolo Auto Sales

The True Driving Experience Only Comes From Driving A Classic Expensive Sports Cars Vintage Porsche Porsche 911

Ac Only Works When Driving What S Causing It

5 Reasons Why Car Air Conditioner Not Blowing Cold Air When Idling

Remember When Most Folks Had A 2 55 Air Conditioner In Their Cars It Was Called Rolling Down The Car Windo Childhood Memories Great Memories Best Memories