ac only works when driving fast

Car Car AC only cold at high speeds but not low on coolant. But there is a much more likely culprit.

Quickly Multi Function Magic Dust Cleaning Mud Video In 2021 Clean Air Conditioner Cool Things To Buy Gadgets

Now unless I have it only on a low setting and driving at 45mph is the only time it BARLEY blows out cold air.

. My 2010 E350 AC works fine and blows cold air almost instantly when the car is parked in the shade. AC Blows Cold Air Only When Driving 30 MPH or Faster. I popped the hood and noticed that when the AC compressor kicks on that it almost stalls the engine.

It looks normal nothing broken or weird about it. It sounds like the air compressor or condenser are on the same belt as the main pulley. Mostly when the car is moving.

There is a rattling noise coming from under the hood it sounds like metal shaking around. And noticed that the second fan on the radiator never came on although i. Get a thermometer that goes in your vent to see if its hot as you think it is or not from Amazon HERE.

In order for ANY AC. 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. Hi Guys - My air conditioner is giving me problems.

My AC works only when I am driving at fast speeds. Hi First check in front of the radiator to make sure dirt or. When you are moving the air is flowing through the condenser coils which is what cools the air.

For some reason when I drive around town taking short trips my AC refuses to cool the car down. This is a new problem. The AC has worked like a champ for the past year since I.

You may have experienced this in other. Any ideas what it could be. Tried to accelerate and it sputtered and died.

When driving heating works-ish. Replaced the AC compressor. What could be the problem.

Rael July 6 2008 826pm 1. Up to 20 cash back Ac on auto only works when you drive fast. Up to 8 cash back My ac hasnt worked for over a year Now.

I stopped at a stop. But if the car is parked in an unshaded area under the hot sun the AC keeps on blowing hot air. It may come back but only when you -.

The fast mode is when both fans are running and you can actially hear them running from outside of the car. 2005 Dodge Ram 1500 SLT Big Horn 58L V8 Hemi my air conditioning only works when Im driving forward and does not work at all any more when Im sitting still at an idle. 1998 Honda CRV.

If higher vehicle speed improves AC. I would say in 90 of all cases where I tried to turn offon the AC the AC does not blow cold air. Anytime the AC is on the fans should be running.

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. This could mean that there is some slipping on the belt and when you accelerate it activates something called a tensioner which helps keep the belt taut thus making the car blow cold air. AC is cold only when the engine is revving above certain rpm.

The car is heating only when i am accelerating. As soon as you get moving it gets cold again. If the car is standing still on the parking lot heater blows cold air.

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. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. Please what do I do.

Only one fan on the car. When at a stop the air is warmbut if I put it into neutral and rev the engine to lets say 2000 rpm AC gets colderor when Im driving obviously. My air conditioning in my 2012 Kia Optima EX GDI non turbo runs fine while driving at higher speeds but at a stop light stuck in traffic at low speeds it only blows warm or hot air.

The fans have two modes a slow and fast one. As soon as you slow down the ac goes out. System to provide cool air out the vents it must be abl.

Answer 1 of 17. If i am revving the engine from 1000 to 2000 and back or accelerating the heater starts working. Performance open the hood at idle and verify that the radiator fan is running and if it is will it firmly pull a sheet of paper to the front of the condenser.

For the AC to work there has to be a change of state from gas to a liquid in the condenser in front of the radiator To get this change of state there has to be air flow across the condenser. I checked the water pump. The AC blows cold on weather 80 or below but anything above that temp only hot Air.

I am no expert in more recent vehicles but if the ac works only at higher driving speeds it could be because the ac condenser that is located in front of the vehicle near the radiator gets more air flow that helps it eliminate better the heat heat is extracted from the refrigerant when its compressed to be cooled down. 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.

Ac Only Works When Driving What S Causing It