How to Test a Car Air Conditioner

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How to Detect a Leak in a Car Air Conditioner....5

Learn how to test the AC system in your car for car air conditioner repair in this free DIY auto-mechanic video from our expert in automotive AC repair and maintenance.

Part of the Video Series: Car Air Conditioning Repair
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Video Transcript

On this truck, you have a high side port and a low side port clearly marked. These have to be hooked up to a gauge unit so that you can read the proper messurements to be able to tell what's going on with it. We have a refrigerant machine hooked up to this vehicle. This will tell us if there is refrigerant in it. If there's no refrigerant in it, we need to charge it up and then find out where it's leaking. If there's full charge but you still do not have cold air comming out of your vents then we need to check for maybe an electrical issue with the compressor. Is it really comming on? Is the clutch engaging so the compressor is working


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