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Old 23 Dec 2012, 04:47 pm
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Default My Honda Civic 2002 heater blows cold air at stops or any kind of stop.?

i filled the antifreeze between max and min and still no idea why it keep doing that. if anyone could help be great appreciated Thanks!
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Old 23 Dec 2012, 05:03 pm
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If you ran the car with low coolant levels, you may have an air pocket in the heater core which prevents proper coolant flow and needs to be purged or "burped" after refilling the coolant. This video show how to do so in generic terms.

You may also have a clogged heater core or other problems with the "blend door" inside the HVAC ductwork not working properly if bleeding the cooling system does not help.
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