my heater is blowing cold air

1996 INFINITI I30
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DELORES
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the cold ac works great...when i turn on the heater it blows cold air...what could be wrong? would it have anything to do with the cooling system...my car is also over heating...are these two things related
Feb 2, 2012 at 1:07 AM
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JACOBANDNICKOLAS
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Check the blend air door located near the heater core.
Feb 2, 2012 at 1:13 AM