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Defroster Blowing HOT Air


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I noticed in my 05 LGT that when I put on the defrost, it blows hot air, even if I have the climate control set to 65 (on both sides). As soon as I change the mode, the air is cold again. Anyone else have this issue?
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Why is it an "issue"?

Hot air can hold more moisture than cold air, so of course it does.

It probably uses the aircon and heater together, cooling the air first to remove moisture, then heating it so it can absorb more.

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It probably uses the aircon and heater together, cooling the air first to remove moisture, then heating it so it can absorb more.

 

 

That is exactly what it is doing.....

A/C to remove the moisture so it doesn't fog/freeze the inside of the windshield....

Heater to pre-heat the air so it can de-frost the windshield if it is cold outside.

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Even if it is smokin' hot out? I find it weird that even if you have it on 65 it still comes out hot. This is the only car that I have ever seen do this.
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