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4 Reasons Why The Car AC Not Blowing Cold Air When Idle

 

The Causes Why Car AC not Blowing Cold Air When Idle?

The problem occurs at most cars at some point in their lifetime. Poor maintenance of the air conditioning unit is the main culprit for car air conditioner not blowing cold air when idling. Checking the system from time to time is crucial to keep it in good condition. Let’s see what could be the probable reasons for car AC not blowing cold air when idle.



1. A defective condenser fan

The cooling fan in the condenser is the first thing that you should look into while finding out the reason for the car air conditioner not blowing cold air when idling. 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.

When the car runs at a high speed, the condenser does not require the fan for cooling the Freon because of sufficient air passing through it. But, when the car is not moving, the fan is the only tool for making the Freon cold.
You should check if the fan’s connections are loose or it does not properly sit in its slot.

2. Overheated engine

Another common reason for car AC not blowing cold air when idle is an overheated engine. The compressor of the AC system moves heat from the radiator to the condenser. When the car is already overheated and the fans in the radiator and condenser are not properly working for some reason, the system can’t cool down the heat with the maximum efficiency.

3. Low-level of Freon

The Freon gets used up with the running of the air conditioning. When its level goes lower than the acceptable level, you will face the issue of the car air conditioner not blowing cold air when idling. The compressor can pump the Freon more easily when the car is running at a high speed on the highway but it struggles when the car sits idle. You can do the refill yourself if you know the procedure.

4. Debris

If any foreign object or debris gets into the condenser and obstructs the fins, the cooling process won’t work properly, especially when the car is idle. These elements could also bend the cooling system and create the same effect. You have to clean up the condenser fins and other areas to solve this problem.
Hopefully, this article will be useful to you. 

If you have any questions, leave us a comment below, our auto experts will answer it for you.

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