In the scorching heat of summer, life seems impossible without AC. An air-conditioned car is a must for a long drive these days. In another such case, it can be very irritating when the car AC does not blow cold air when idle or does not work at all, although it is a common problem. When your car crosses the bench-mark of 100,000 miles of travel, problems are bound to arise. But have you ever wondered why is your car ac not cold enough or the car AC not blowing cool air when idle? In this article, I have explained deeply the issue and its solutions.
Table of Contents
Why Does My AC Gets Warm At Idle Condition?
There can be multiple reasons for this mishap happening. Your AC does not stop working at all, mostly it just performs below average. Even the finest ones will not work with full efficiency when idle because the engine is running slower and thus less coolant is being compressed. The effective cooling of AC is inversely proportional to the outside temperature increase. Below are some of the most prominent reasons behind your car air conditioner blowing warm air:
1. Poor Maintenance
Probably the most common and the most ignored one is the lack of proper maintenance and hygiene over some time. According to experts, it is a slow killer which can damage your system beyond repair if left untreated at some point in life( scary, isn’t it?)
2. A Defective Condenser Fan
The first thing you should look for after spotting this issue is checking whether the condenser fan is working properly or not. In case it is damaged, it cannot perform with full strength and power. Make sure the fan is properly connected and fitted properly in the slot.
3. Engine Overheating
An overheated engine is another common reason for blowing not-so-cool air in idle conditions. If the internals is heated then no matter how good your car Ac is, it is bound to malfunction.
4. Loose fittings
It is common to observe loose ends of various parts in suspension after a few thousand miles of travel. Depending from road to road and model to model, damage may intensify or lighten.
5. Foreign Debris
If you live in a polluted area, finding unwanted debris in most unwanted places must be more than a common issue for you! So make sure to clean your vehicle from time to time., or you may have to regret it later.
6. Out of Coolant
The coolant is the most necessary part of your car AC. When you run out of it, you may observe your car air conditioner blowing warm air.
Fix Car AC Not Blowing Cold Air When Idle
After a long list of problems, let us now head to the solution for car AC not cooling when idle. Although the reasons can be many the solution can be very common mostly, in some cases, very particular. So let us talk about them elaborately one by one below:
1. Check For Poor Connections
Physically inspect every nook and corner of your system for any loose or displaced connections. If any are found, repair them using the proper kit recently. You may opt for professional help, but that may not suit the budget.
2. Refill Coolants
Make a habit of refilling coolant every 5000 miles traveled or depending on your rate of air conditioning. It will not only serve you with great cooling but also increase your AC’s lifespan.
3. Regular Maintenance
And the winner of the ‘BEST SOLUTION CONTEST OF THE YEAR’ is maintaining it regularly! I am not exaggerating. The secret behind amazing performance lies in how much you stick to your system’s maintenance plan.
4. Replacing old parts
Probably the most ignored one and the most important one too. Most people find it nonsense to replace the worn parts of the vehicle. But what they do not realize is that this habit can cost them exponentially if not repaired on time. Moreover, even a single fault can damage other parts in no time too.
5. Check for Damaged Lids
The fluid leaked due to lack of lid will not only increase your expense on fuel and fluids, but it will also even seep into nearby parts and corrupt them. In some cases, if that inflammable fluid anyhow reaches near spark plugs, it can prove to be fatal. You need to avoid this at any cost.
6. Avoiding Extreme Temperature
As they say, “One should avoid going to extremes, and should always follow the middle part” Well, it applies here too. Do you know using AC at extreme temperatures can expose your car AC system to huge unwanted pressure? It will not only depilate the cooling but also reduce its life span drastically.
7. Prevent Overheating Of Vehicle
If you notice overheating or fumes coming from the front end of the engine, do not ignore it as in some cases it can even cost you your and your dear one’s life. Slow down your car, park it in a corner, open the engine front and let it cool for a few seconds. After that diagnose the underlying issue and solve it as quickly as possible.
Frequently Asked Questions-
Why Does My Air Conditioner Blow Hot At Idle?
Check both fans and make sure they’re both running a high speed if your AC blows warm at idle. Your AC system is low on refrigerant. Since the AC compressor is driven by the engine, it doesn’t pump as much refrigerant when you’re at a stop or driving slowly.
Why Is My Car Air Conditioning Not Blowing Cold Air?
If there exists a leak in the system through which the Freon is leaking, the air conditioning system will not blow cold air. Modern car air conditioning systems are sensitive and require an optimum level of Freon to operate effectively.
Why Is My Car Idling But Not Cooling Down?
If you find yourself idling without proper cooling after a particularly windy day, it could indicate damage to the air conditioning system. A halt in cooling while idling can be due to a blown fuse or broken fans caused by the debris strike.
What Causes A Car Ac To Stop Working While Driving?
The possibility is damage from physical impact by road debris or rocks, as the condenser is located near the front of a car. A leak in the condenser can lead to a low refrigerant charge and thus poor AC performance since the system relies on the refrigerant for operations.
Why Does My Ac Only Work When I Move My Car?
The car ac condenser’s fans issue, the car air conditioner only works when the car is moving. Anytime the car air conditioner is on, the fans should be running properly. When your car is moving, the air is flowing through the condenser coils, which cools the air.
Summing Up
Although I have mentioned all the necessary steps to be taken for particular problems, the key is to prevent rather than cure. Keep your car AC temperature between 19-27 degrees Celcius and you should not have any problem about car ac not being cold enough. Use high-quality fluids like grease, lubes, fuel, lubricant, etc for your vehicle. Avoid pocket-pinching habits. Give your car regular checkups. These two play an equally important role in well being of your dear car so do not ignore it.
Above was the solution to the car AC not blowing cold air when idle. Hope you like it, do not hesitate to have suggestions or queries and mention them in the comment section below.
Thank you
Happy driving!
