What is your question?
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What is your question?
Very liitle heat. Both hoses to and from heater core are hot. Blower is operational. Where is the blend door, and how do I check it. Coolant levels are good. No prior issues with heat. Changed thermostat and back flushed heater core.
What makes this problem better or worse?
Nothing
How long has your 2007 Buick LaCrosse had this problem?
About 2 weeks.