2004 Buick Lesabre Heater Does Blow Hot Air Out Only Warm Air Did Work Minutes

2004 BUICK LESABRE
90,000 MILES
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My heater does not blow hot air out, only warm air. It did work for a few minutes the other day . What do I look for?
Dec 6, 2012 at 6:36 PM
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DOCFIXIT
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  • 18,828 POSTS
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Replace thermostat maybe staying open if not then possible actuator fault
Dec 6, 2012 at 8:33 PM
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