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Hello everyone, 

I am having a major A/C issue on my 2010 GMC Terrain.

Initially I thought it was Freon, added some and it turns out that was not the case. On the gauge it’s in the green area after I checked the low pressure line. 

Next I checked the compressor and it’s rotating properly. 

Then I checked to see if A/C transition door was jammed, but it’s moving (knocking noise is present) .

Finally, I examined the condenser. It’s rotating and there is no damage seen or any obstructions. 

The A/C line is cold, but there’s no cold air. What else could it be? I’m trying to avoid taking it to a mechanic. I literally have 10 cents in my bank account. 

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