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Discussion Starter #1 (Edited)
I am having a yearly issue which my AC will stop blowing cold air during the summer. I live in a city which has hot summers of frequent 90-100s for about 5 months a year.

I have taken it in the dealership multiple times who claims there aren't any leaks. In the latest one they said it was down a pound of freon. I can't believe that a 3 year old car is losing this much freon every year without some kind of micro leak or a compressor issue. On other vehicles that I have owned I rarely had to recharge and it was never this frequent.

What could possibly be the issue besides putting in a new compressor?
 

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I have taken it in the dealership multiple times who claims there aren't any leaks. In the latest one they said it was down a pound of freon.
First, I would just try tightening the Schrader valves in your high and low AC service ports. A loose valve can cause a slow leak like this.

If you still have a leak, there is a simple DIY tool ($35~50) that allows you to replace the Schrader valves (same type of valve in bike and car tires) in the high and low AC service ports yourself without losing any R134a refrigerant (pedantic bit: freon technically means the old R12 refrigerant). I'd replace the valves and dust caps in both service ports - $5 for valves and caps in a kit available at the auto parts store.

The reason a slow leak might not get noticed here - one way to test for leaks at repair shops is to hook up an AC machine with pressure gauges to your service ports, evacuate the system (your R134a is held in a separate tank) and watch the pressure gauges. AC is in a vacuum and if pressure rises, air is getting back into the system indicating a leak. Thing is - this does not detect a leaking Schrader valve because the hoses for the machine are in effect sealing those valves.
 

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Try reseating the schrader valve by quickly pushing the center pin in for .5 seconds. This fixed my 2013 that was also losing R134a.
 

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When it happens in the car, it’s not so bad, and besides, your air conditioner does not go crazy like mine. I recently turned on the air conditioner and after a while it began to blow in a hot wind. You have no idea how hot it was at that moment. I immediately turned it off and called the specialists from socool.sg and they concluded that the reason was that I did not fill the cartridges with water. This was a lesson to me and after that I am much more attentive to this because this is a really scary situation.
 

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When it happens in the car, it’s not so bad, and besides, your air conditioner does not go crazy like mine. I recently turned on the air conditioner and after a while it began to blow in a hot wind. You have no idea how hot it was at that moment. I immediately turned it off and called the specialists from socool.sg and they concluded that the reason was that I did not fill the cartridges with water. This was a lesson to me and after that I am much more attentive to this because this is a really scary situation.
Cartridges with water? What are you talking about?
 

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When it happens in the car, it’s not so bad, and besides, your aircon servicing does not go crazy like mine. I recently turned on the air conditioner and after a while it began to blow in a hot wind. You have no idea how hot it was at that moment. I immediately turned it off and called the specialists from subcool.sg and they concluded that the reason was that I did not fill the cartridges with water. This was a lesson to me and after that I am much more attentive to this because this is a really scary situation.

Dude, you sure you went to a correct place? You sound like you got played.
Go to the repair service and consult with them. I think it will be much cheaper and one hundred percent more correct. I just imagine how expensive it all comes out if you go the wrong way about it.
 

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When it happens in the car, it’s not so bad, and besides, your air conditioner does not go crazy like mine. I recently turned on the air conditioner and after a while it began to blow in a hot wind. You have no idea how hot it was at that moment. I immediately turned it off and called the specialists from subcool.sg and they concluded that the reason was that I did not fill the cartridges with water. This was a lesson to me and after that I am much more attentive to this because this is a really scary situation.

Cartridges in water???
 
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