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You need to check and/or replace the heater core

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14y ago
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Q: Why does steam and mist come through your vehicle vents?
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Why deposits form in the steam vents of irons in some parts of the country?

Since steam is water evaporating, water that becomes steam may not be clean. So, when the steam goes thru, some of the dirt may come off along with the steam when the steam becomes water.Creating deposits in the steam vents.


Why does smoke come through vents in car when the heater is running?

The smoke you see may be moisture/steam. The heater core is probably leaking engine coolant. If the "smoke" has a sweet smell to it, it's engine coolant. More info about the vehicle such as model and year would help.


Why would smoke come out of AC vents?

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How magma inside a volcano becomes a lava flow outside?

The magma gushes out and then it flows every where. The volcano has vents that let air come out. When the vents open steam/ smoke comes out of those vents.


How does magma inside a volcano become a lava flow outside?

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What causes smoke to come through the vents in the dash board in your 1991 deville?

could be a leaking heater core ( Steam ) . Depends on WHAT KIND OF SMOKE. Is it steam or smoke. Smoke like something burning could be oil. electrical, etc


What would cause steam smoke to come out air vents in 03 pt cruiser?

The heater core has failed.


On your 1996 240 Nissan heat will not come through all vents inside?

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Why does a smell like something is burning come through the vents for only a couple of minutes when the car is started in the morning?

The possible explanation for the smell may be that the heater core in the vehicle has a slight leak, therefore the smell of evaporating antifreeze will come through the vents until it is all dried up. Solution is to take the car to a garage and get the heater core replaced.


What causes steam to come out of air vents in 1999 expediton?

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What causes cold air to come out of air vents when heater not on?

The heater may not be on - but the fan still blows air through the vents when they're open !