2007 Mercury Milan Heater Blows Cold Air Stop Light Warms Back Take Off Again

2007 MERCURY MILAN
71,000 MILES
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My heater blows cold air when I stop at light, but warms back up when I take off again. Is this likely a water pump or thermostat problem?
Oct 19, 2012 at 12:48 PM
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HMAC300
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  • 48,601 POSTS
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check the coolant level
Oct 19, 2012 at 2:10 PM
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