2007 - 2013 (GMT900) Section for all discussion related to the 2007-2013 Chevrolet and GMC trucks.

Climate control issues

Old Jul 31, 2017 | 6:39 PM
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Wink Climate control issues

I have an 07 classic ( old body style) with the auto climate control that has the two red and blue ***** and digital temp read out. The issue I am having is when it is in the auto mode and I have both sides set to 74 it blows full speed. It use to blow full speed for a few minutes then slow down some. The outside temp would be 90+ and it would slow down but it blows full speed till I lower the blower speed manually. So, I set the temp down to 60 and the blower sped to the lowest speed to deal with it. Last week on a road trip I left both sides at 60 and the wife side it was too cold, so I bumped my side to 62 and the heat came on full bore HOT on my side even though it was 95 outside. I treied it oun her side and it did the same thing. It does not matter what the outside temp is, the heat comes on and has a mind of its own. Please help. Thanks for the info and ideas.
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