Question about 2001 Nissan Sentra

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AC and heater

My AC was working fine and it was really chill and yesterday i used the heater very early in the morning and now if i want to turn to AC it blows of hot air only even if i keep it full AC

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  • aspe Jan 08, 2009

    Same exact problem here. Turned on the heat in the morning. Went to lunch, turned the heat down and still blowing hot air. A/C is working as you can hear the compresor engage when you turn on the A/C but the hot air is still there. It defenitly feels like the heater is still on. I believe there is a servo located behind the A/C switches in the dashboard that controls how much cold/hot air passs through and that might be the problem. I will be attempting to fix this over the weekend. Please let me know if you have a different diagnosis. Thanks.

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Does it go to cold after a while its ok if not there is a bad switch some were

Posted on Jan 04, 2009

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