Question about Mitsubishi Galant

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My car has heat sometime......

But i only get bursts of warm heat then it goes straight back to cold, any nfo please let me know..

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Air trapped in cooling system. loosen radiator cap (cold engine), fill with coolant. run engine with cap loose till warm to purge air. add coolant. repeat if nec.

Posted on Feb 22, 2009

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How do I fix the heat


You have one of two problems. The heater core is plugged /
restricted or there is an inoperative internal blend door motor problem. Start the vehicle and let it reach operating temperature. Feel the hoses under the hood that go into the heater core. They should be close to the same temperature. If one is hot and the other luke warm/cold.... the heater core is plugged/restricted. If both hoses are near the same temperature, suspect a defective/non operational blend door motor that controls heat/cold/airflow attached to the heater box assembly

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Water gurgling in heater, heat is warm, air is very light coming out of the vents, sometimes air goes cold then comes back warm.. a bump will make it go cold


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it's look like the a/c evaporator is block by dirt,oil look at it ..It should be clean as this one

hope it helps

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Whining noise when extreme cold days, that goes away when my 2005 Mariner warms up. Seems to come and go until the car warms up.


Alternators can sometimes whine when start up on a cold morning, they run on full load till they get the battery back up to full charge. When the whining stops, switch on electrical equipment (Headlights, fan full boost, heated rear window) if the whining starts again its the alternator.

Jan 23, 2014 | Cars & Trucks

1 Answer

My heater blows hot for a couple minutes then turns cold. After turning it off for a few minutes and back on, it blows hot then goes cold again.


LET YOUR CAR WARM UP FIRST!! or you risk the chance of over heating and casuing engine damage. start your car let it warm up for 5 to ten minutes and then try the heat. also when you start you should NEVER have heat on right away. the heat that you feel comes from the engine. and if the engine is cold and you are trying to heat it up it will put stress on the engine and over heat. ALL cars have to wait for their heat. that's why you see peoples car running in the morning with no one in it. so when they do get in it they have heat. heat will not work until the engine is warm.

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1 Answer

The heater takes a long time to warm up and when I


1st thing I would do is have your thermostat checked at a rebutable rad shop also somtimes the rad cores get blocked and will not circulate the heat properly either problem can be rectified at the rad shop...good luck

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1 Answer

My car has heat sometime......


low antifreeze or thermostat needs to be replaced

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Heat only blows out briefly then changes to cold air


Heater core could be pluged up, try flushing it out, it could have sedament build up restricting flow into heater core. Also make sure its full of coolant.

Feb 06, 2009 | 1999 Chevrolet Silverado 1500

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