car ac blowing hot air when idle

You could have a couple different issues. Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicles condition and be able to make any appropriate recommendations.

6 Issues Causing Your Car S Ac To Only Blow Hot Air

Thankfully in this guide we will review each of these car AC problems in detail.

. June 13 2017 at 136 am 881347. These were the two main causes for car AC not blowing cold air when idling however there can be a few more that can indirectly lead to such a problem and thus shouldnt be ignored-. The most common cause of hot air coming from car AC vents is low levels of refrigerant.

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. If the ac isnt blowing cold air when the car is idling this is an indication that there may be a problem with the ac system high pressure hose. During idling however the AC starts blowing warm air and it gets warmer and warmer the longer the car is.

A refrigerant leak is unique in the sense that refrigerant evaporates instantly into a gas once it isnt under the pressure of your closed loop AC system. While running the AC is blowing cool but if idle after about 15mins it start to blow hot airI checked the condenser fan and its not turning. Yet another cause of AC blows cold then warm.

This problem is a known issue See Bulletin No. 5 Common Problems Your Car is Leaking Refrigerant. The faster the rpm the faster.

I have tried a few things already and am stumped. Why Your AC is Blowing Hot Air and How to Fix it. Car AC blows warm at idle AC blows warm at idle 4 reasons.

It blows ice cold at idle. When I drive the car and get up to 30 mph or so the vent air temp goes up and after a few minutes of driving the vent air is barely cold. If this is the case you may want to visit your mechanic sooner than later.

The most common cause of an AC system blowing warm air is a lack of refrigerant though you may also have a problem with your condenser. AC stops cooling and blows warm air when the vehicle is idling for an extended period of time such as sitting in traffic. So check the Freon level in the first place.

Many cars are equipped with two radiator fans while others have one fan that can run at different speeds. Dan-Pape June 28 2019 730pm 1. Vent doors not operating correctly.

Well have the system pressure tested if youre low on refrigerant it can do just that pray its that easy of a fix. It is critical to check on the system on a regular basis in. If the refrigerant level is low then there is a leak.

Even if a system is just slightly low on refrigerant it would also cause the system to start blowing warmhot air. Car AC not Blowing Cold Air When Idle. But everytime I.

I have a 2011 focus with AC blowing warm at idle but cold at higher rpm. Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. How to Keep Your Cool.

Inadequate airflow over the condenser may cause this condition. AC systems are sealed and therefore dont require refrigerant top-offs. This is a substance that provides the means upon which the system can get rid of excess heat and provide the necessary element for cooling the passenger compartment.

When the car is standing still I can run the engine at 2000-3000 rpm and the air is still cold. Three Signs your AC is Malfunctioning. My AC started blowing warm air when sitting idle.

Refrigerant leaks are the most common reason that a car will fair to blow cold air. Most of your AC components need electricity to function and without the needed electricity the system is likely to blow warm air into your car. Have you checked the mixing motor and the doorpull out the glove box you will see a white motor remove it 516 or 8mm plug it back in run the system to see if the shaft on the motor works then check where the shaft fits in the top of the door if its broke cut the box.

Suggest you hook up a AC manifold gauge set and see exactly what the system is doing. Low Refrigerant Levels. If your car AC blows cold when youre moving but the AC blows warm at idle slowdowns or stop lights it can be caused by any of the items listed below.

While I drive and the engine revs up from 1700-2200 RPM the AC works well. Worn or Faulty Compressor. AC not blowing cold air warm air on the drivers side.

One is possible low on chargewhen you rev the engine it causes the suction pressure to drop furthet causing you to not cool as well and possibly cutting the compressor off on a low pressure switch. AC blows warm while idling cools during driving. Refilling the Freon in your car ac system can be the solution for car air conditioners blowing hot air when idle.

Bad or Failing Fan Clutch. In some cases you can mend frayed or damaged wires using electrical tape. When I stop the car and idle it the cold air returns.

Up to 8 cash back Q. Car ac blowing hot air when idle. Or worse yet you come out to start the car one day turn on the ac and its blowing barely cold air when it was fine just yesterday.

Poor maintenance of the air conditioning unit is the most common cause of a car air conditioner that does not blow cold air when the vehicle is idle. Your AC may blow cold air when youre moving because enough ram air is coming across the condenser coil to keep. My car has gone around 130000 miles.

If its hot in a situation of car air conditioner blowing hot air then its an engine problem. Blocked or Broken Condenser. So I checked low pressure and at idle it was bouncing around from 100 to 120psi and when rpms were increased to 2500 pressure went down to 35psi and was blowing cold air.

There are several ways debris can get into your cars air conditioning system to. The issue is related to the AC which works partially normal. If there is insufficient refrigerant circulating in the car AC.

Most automobiles will have this issue at some point throughout their existence. I show in this video what was causing the problem and how I fixed it on my 2005 Hyundai Santa Fe. Answer 1 of 3.

5 Reasons Why Your Car Ac Is Blowing Hot Air Vehiclecare Blaze