Heat not blowing. Cold air only on 2004 Buick LeSabre

Thermostat,heater core,temp control fine. I'm thinking the heat door is stuck. Where is it located?

by in Lauderdale, MS on February 07, 2014
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1 answer
ANSWER by , February 07, 2014
It should be data scanned before replacing to verify. It is located on the right side close to the blower motor, and left of the blower.