2003 Mitsubishi Galant Q&A

2003 Mitsubishi Galant Question: Heater Blows Cold Air

Not leaking fluid into car interior but leaks antifreeze from radiator; blows cold air only; thermostat tests ok; air conditioner works good;what could my problem be? -
Answer 1
flush heatercore take hoses off heater core get a hose put on water hose flush heater core one side at a time till water runs clear could be therostat -
Answer 2
If you have a manual heater, then check to see if the heater hoses are in their proper place, that the engine gets hot, like in the middle of the gauge and then check the heater control valve. It should be in line with one of the heater hoses going to your heater core. If you have Automatic Climate Control again, make sure that your heater hoses are in place, that your engine is getting hot, like in the middle of the gauge and then you will have to scan the heater control computer to see what is not working correctly. I do not mean a parts store quick scan, but a data stream reading with a real scanner. Hope that this helps! -
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