no heat on 1996 Oldsmobile Bravada

No getting any heat. I put in a new thermostat,does not overheat, water pump is working, had the heater coil flushed twice. Please help me in what other options I should look at.

by in Lansing, MI on December 24, 2010
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1 answer
ANSWER by , December 25, 2010
If you have a hot hose going into and coming out of the heater core, then you have a problem inside the vehicle, like a temperature blend door issue.