Are you searching for car maintenance tips? If so, you’ve come to the right place. In this article we will answer one of the most common questions that many people have, especially if they own an older car, truck, or van, and that question is why isn’t their air conditioner blowing cold air anymore?
Here’s why your air conditioner isn’t blowing cold air anymore
Sadly, over time it’s not uncommon for any vehicle that has air conditioning to stop blowing cold air and the cause, or reason, for this problem could involve the following:
- Lack of air conditioner refrigerant
- The air conditioner is not engaging
- Refrigerant is not circulating correctly
- There is a blockage inside the cars ventilation system
- The air is stuck on hot instead of cold
How to troubleshoot your car’s air conditioner yourself
Before taking your car to a mechanic or shop that specializes in air conditioning, the first thing that you want to do is troubleshoot your car’s air conditioner yourself.
To do this you will need to troubleshoot the different components of the air conditioner.
Pop the hood, start the engine, and turn on the air conditioner.
If the air conditioner compressor engages, but the air from the air conditioner is not cold, this is a clear sign that you may need new air conditioner refrigerant.
If you’re not familiar with what the air conditioner compressor looks like, it actually looks like a very small motor with a big, or oversized wheel, on one end.
When your engine is running, and the air conditioner is turned on, that wheel should be spinning, if the wheel is not spinning, this is a sign that the air conditioner motor may need to be repaired or be replaced.
Let’s say that you decide to add new refrigerant to your air conditioner, you then started your vehicle, turned on the AC and the cool air is still not circulating. This could be a sign that you may have a heat switch problem or it could also be a sign that there is a blockage in your car’s ventilation system which is keeping the cold air from circulating.
While your air conditioner is still turned on, you should visually inspect your vehicle’s ventilation system to see if you can spot any blockages in the vents because these obstacles must be physically removed for your air conditioner to start circulating air correctly
If you are unable to spot any blockages in your car’s ventilation system, you may need to take your car to the mechanic because they may have to replace the heat switch or temperature sensor in your car unless you decide to replace these parts yourself.
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