passenger side ice cold air but the driver's side just do blow out cool why? on 2000 Pontiac Bonneville

2000 pontiac bonneville sle it has dual climate control my problem is that the driver side just do blow out cool air but the passenger side gets ice cold both sides is set to 60 degrees, why is this???

Asked by for the 2000 Pontiac Bonneville
sounds like you have a blend door stuck seek a diag and repair. post codes and we can adv
1 more answer
have refrigerant level/pressure checked , some dual zone systems will have that symptom if they're a little low on r-134