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My air conditioner is not blowing out "cold" air and makes noise

Problem with Car Air Conditioner

I have a 2003 Chevy Tahoe. My air conditioner is not blowing out "cold" air; it's more like the air coming from a fan. And, when you are running the air conditioner, there is a very loud noise. What are some of the things that could be wrong. I recently had other work done; not on the AC, but I asked them to add anti-freeze. Every so often the low coolant light will come on. Thank you.

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The anti coolant is what is added to your radiator so that the water does not freeze when the temp goes down and damage your pump. hence do not confuse this with the air conditioner. When you put on the a/c the load noise could be the engagement of the solenoid coupling your a/c compressor to the engine. If you notice within the bonnet for the gas filling inlet there must be signs of cooling. if not check over the condenser filter on the glass window for any signs of gas or gas pressure , smoky means low gas but a good pressure of gas indicates good visiblity. If not there has been a gas leak and your whole a/c system needs a check right from the compressor to the condenser to the cooling coils inside the dash. The leak has to identified by a pressure check with air filled, check for blocks before the gas can be filled. The compressor pump pressure must be checked or must be overhauled, replacement of the O rings, and reset. I hope you got an idea to proceed and hope I could help. Good day.

Posted on Jul 22, 2010

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