Air comes out from defrost but not sh. 2002 gmc yukon xl but rear air works fine What is your question?
A/c blowing cold in rear and hot air from defrost at windshield, no air blowing from dash vents or floor vent on any setting
What makes this problem better or worse?
N/a
How long has your 2015 GMC Yukon XL had this problem?
Just started past week
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