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The coolant keeps running out and when the engine turns of smoke comes in the vents

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Sounds like you have a heater core leaking

Posted on Jul 24, 2009

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3 Answers

2000 jetta vr6 had smoke coming out of vents and my windows fogs. And I go through a lot of anti-freeze. Could it be my heater core?


Yes If there is a smoke outside the car as well. then yu have double trouble... heater core and a head gaskit

Tony

Jun 08, 2015 | Volkswagen Jetta Cars & Trucks

2 Answers

When driving my 1996 gmc jimmy today, the heater was on and smoke started coming from the vents of the heater system. we turned off the heater and smoke kept coming out and was turning the windshield ...


Your heater core is leaking. if it was left disconnected the engine coolant would have come out immediately upon starting the engine the very first time..

Jan 11, 2011 | 1996 GMC Jimmy

3 Answers

Smoke coming through air vents


Is it smoke? Or is it steam? If it's really smoke, it will smell like burning wires and you have an electrical short somewhere. You're going to have a fire unless it's fixed.
My guess is that it's probably not smoke or you would have already had a fire.
With that said I'm going to say that it's steam in which case your heater core (which is a small radiator located under the dash) is leaking coolant and the resulting steam is rising through the vents. The steam will have a sort of sweet and yes, a steamy smell to it. It will also leave a funny film from the radiator coolant coating the inside of the windshield.
The heater core should be replaced if my assumptions are correct.

Dec 27, 2010 | 2000 Dodge Neon

1 Answer

My lincoln is shot smoke out of the vents when I turned the defroster on and there is a strange smell comming from the vents as well. Also, the front window will not defrost but i can get cold and hot air....


The smell you are probably smelling is leaking coolant coming from your heater core, check your coolant level and see if its low if its low you are probbaly loosing your coolant because of a bad heater core, if this is the case i wouldnt drive the vehical until its repaired, if you run the car out of coolant you run the risk of engine damage from overheating and that would be a very expensive repair.....

Dec 07, 2010 | 1996 Lincoln Town Car

1 Answer

1999 ford expendition has smoke coming out of the vent


If it is a kind of sweet smell then your heater core needs to be replaced. It's leaking and you should keep an eye on your coolant level until you get it fixed. The smoke is coolant. Hope this helps.

Feb 16, 2010 | 2000 Ford Expedition

2 Answers

Little plume of white smoke coming from engine when idling only. Runs great and not overheating. Really bad smell coming through vents with AC on


A little white smoke is OK from 0-15 minutes of start up.

After warm up the condensation inside the exhaust pipe AND under the hood should be purged.

How many mile is on the engine?

A well care for engine should not have to worry about leaky (pin hole leak) head gasket until 120,000 miles.

The other sources of coolant leak is the freeze plugs.

DO NOT WAIT! Take 15-20 minutes out of your schedule and see where is it leaking on the idle.

it can be at


heater hoses
water pump
freeze plugs
and head gasket


I would start monitoring the coolant consumption by making the coolant reservoir tank.

Keep tab on oil level.

====

The common A/C air vent odor are

coolant leak (even pin hole leak) on the heater core.

KEEP CHECKING the center to passenger floor carpet for wetness and smell of coolant.

and/or

mold in side the air tube vent.
there is cleaner spray you can buy to keep the mold.


Aug 07, 2009 | 2000 Hyundai Sonata

1 Answer

When heater is on smoke comes out of the vents


If it smells like antifreeze, your probably looking at a new heater core, just make sure you check hoses going into firewall from engine side to make sure it isn't a leak by end of hose, leaking down into that heater core area inside. If your coolant keeps going down, that's more than likely where it's going.Make sure you check coolant level .

Apr 28, 2009 | 1999 Dodge Ram

1 Answer

Cold weater start problem. Oil smoke in from the heater vent.


The same problem happened to me and it turned out to be my heater core.

Normally smoke will come from the heater core when it needs to be replaced.

Also the smell is most likely anti-freeze and and you normally smell it when your
engine is running warm or hot.

Check your coolant levels to be sure. and the hoses leading to your Heater Core

heater cores for that vehicle normally run $180 - $230 and you need to remove your
entire Instrument Panel (IP) (Dashboard) to replace it.

I hope this helps!

Dec 27, 2008 | 1997 Cadillac Catera

2 Answers

My truck blows white smoke


Hello!
There are two differnt reasons for black and white smoke coming from the tail pipe.
Black smoke means fuel runs rich (car getting to much gas). Check fuel pressure/air filter.
In some cases the white smoke means car is burning oil or transmittion fluid. Have tem checked/replaced.
If you can feel a smelly smoke it can be catalytic converter.
In a worsest scenario if car blowing white smoke it can be engine coolant is getting into an engine cylinder from a bad head gasket ,or a warped/cracked head. So you need to keep your eye on coolant level and check your engine for overheat. Also might be good to check your oil for traces of coolant (on a dipstick it would be a milky substance mixture of oil and coolant).
Good Luck

Dec 06, 2008 | 2006 Ford F-250 Super Duty

1 Answer

White smoke exhaust


White smoke is caused by coolant or water coming out the tail pipe. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event. If its less then there leak coolant leak in the car engine which is causing this problem....

Oct 18, 2008 | 1988 Isuzu Impulse

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