Question about 2002 Saturn L-Series

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Anti-freeze smell inside car interior when engine is on, why? Could it be related to the interior air filter? There is no visible anti-freeze leaks inside the compartment, and none outside of the car.

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No. the cabin air filter filters out the pollution from the outside of the vehicle, i.e. pollen, smog, ect. The number one cause is usually the heater core. It could be leaking or a loose hose might be causing it.

Posted on Oct 16, 2010

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Posted on Jan 02, 2017

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2 Answers

WHEN HEATER TURNED ON AND ENGINE WARM I SMELL ANTI- FREEZE CAN NOT LOCATE LEAKS


Are you able to see if it is the heater core? Located in dash on passenger side. Can often see them from bottom of the dash if you stick your head down by the floor boards.

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Hi this sounds weird does the smoke come out from the front engine covers? the squealing could be the cambelt trying to turn a semi or completly ceased waterpump which would cause the smoke after a while, also without the waterpump working properly the engine will leak water and anti freeze out the overflow and overheat really quickly

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Strong smell of anti freeze inside with windows fogged up


You need to check your heater core, these commonly leak which will let anti-freeze into the cabin and can cause you engine to overheat and cause damage to the motor. Check the carpet in the footwells for moisture.

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Anti-freeze smell inside car


this usually indicates a leaking heater core. do you smell it underhood also? if so it is a leak in engine area if only inside it is heater core leaking

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Jul 25, 2011 | Pontiac Grand Prix Cars & Trucks

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I see a misty smell like anti freeze coming through the vents in the car


Holy cow you can see smells?????


haha just messing. If you have the smell of anti freeze coming through the vents it means that the heater core needs to be replaced. The heater core cycles the hot engine coolant and uses that to warm the air to give you hot air. If you can smell it it is leaking into the vent system and needs to be replaced.

Apr 22, 2011 | Buick LeSabre Cars & Trucks

1 Answer

Antifreeze smell inside car no visible leaks in or out of the car


ANTI-FREEZE IS PROBABLY LEAKING A SMALL AMOUNT, IT MAY NOT BE ENOUGH TO GET ON THE FLOOR, OR IT MAY BE UNDER THE CARPET ALREADY. I THINK IT WILL BE VARY COSTLY TO REPAIR IF THE HEATER CORE IS LEAKING. I WOULD CONSIDER SOME FORM OF STOP LEAK. MUCH FASTER & CHEAPER

Nov 19, 2010 | 1997 Mercury Grand Marquis

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I get a smell of antifreeze when I put the outside


Firsdt check the radiator cap thats it tight , then check for any anti freeze visible on the engine, then check under the car for any leaks. Is the smell of anti freeze inside the car ? , check the heater core you may have a leak there. the newer heater cores are aluminum and certain anti freezes, are extra acidic , which causes the anti freeze to eat at the heater core causing leaks, it maybe be a pin hole leak in the heater core ,causing the smell.

Jul 12, 2009 | 2000 Chevrolet Blazer

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2004 Envoy Smell like Anti-freeze when turn on the air


probably is a small seep in the heater core. does not have to be leaking enough to find any inside the car to have a strong smell in there just a small seep that makes the heater core wet will do it.

May 20, 2009 | 2004 GMC Envoy

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Anti freeze smell when car is shut down


do u smell coolant in the car when te doors are closed? if not it is not the heater core, have you had the system pressure tested at a shop? If I had to guess the 2 area's that would cause this are loose radiator hose clamps that just seep, not enough to get to the ground, but enough to smell the coolant, the other a slight leak at the water pump weep hole on the underside of the water pump, this can also be a seep and not reach the ground. Try adding a can of Alumiseal radiator and block sealer, comes in a little aluminum colored tube, about $3 US

Mar 05, 2009 | 2000 Buick LeSabre

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