Question about 1999 Lincoln Town Car

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Coolant leak in the heating and airconditioning system. smell of antifreeze and vapor coming from vents in the dash

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You Have a HEATER CORE Leaking, This Requires Replacment Of The HEATER CORE, And Untill This Repair, I Do NOT RECOMEND DRIVING the Vehicle Due to the Chance of OVERHEATING the ENGINE. For Detailed Info on this Repair Email me at rejakwilson @ aol.com I Will Be Happy to Send you A File With ALL the Info you Need. And Please dont forget to RATE me here @ FixYa.com.

Posted on Sep 07, 2009

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3 Answers

Water is leaking from the floor vents what could be the proble?


Check your heater radiator. It is usually mounted behind/near the glove box areas on most cars. It is like a small version of the large radiator that is mounted on the front of your vehicle under the hood. Antifreeze and coolant (does it smell a little like antifreeze?) flows thru your front radiator, thru the block and hoses, and cycles thru the radiator for your heating system. If the radiator is leaking, often it cycles thru the vents on the interior.
Another possibility MIGHT be the AC system and condensation/AC coolant that is building up in/on the lines and transferring thru the vents.

Aug 18, 2014 | 1999 Buick LeSabre

1 Answer

My 2009 ford focus air conditioning smells like coolant


It sounds like you may have a slight heater core leak and when you turn on your air, it's simply "stirring up" the smell. I've never seen this issue ina Focus but i have in a '97 Bonneville. The heater core is located behind the dash and requires complete dash removal to locate. It's a rough job to tackle alone. A lot of shops can run a "leak test" where they run a pink dye through your A/C system and see if it leaks anywhere. You may simply have a dry-rotted hose or bad seal. But my bet is the heater core, as thats the only place antifreeze enters the interior of a vehicle. Try smelling up under the dash on the passenger side and see if the smell exists there. If so, it's a heater core leak. Hope this helped!

Oct 26, 2012 | Ford Cars & Trucks

1 Answer

Vapor comeing out of vents with heater turned off. smells like coolant not leaking on floor and not fogging windows up like when my heater core went bad 3 years ago and had it replaced.


Sounds like you have a small leak in the heater core. this is a small radiator that fits in the heating system to provide the heat in winter. It is an extension of the cooling system and therefore has antifreeze in the core. You may just have a hose leaking a tiny bit around the connetion.

Apr 09, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer

Ford f-150 that has smoke coming inside the vents when you drive it.what would cause this? 4.5 v-8


You trucks heater core is leaking inside the dash heating vents, the air blower motor blows through the heater core and then you smell the leaking coolant in the form of a sickly sweet vapor. You will need to replace the header core, this is a fairly big job and in most cases best left to a professional.

Mar 05, 2011 | 1999 Ford F150 Regular Cab

1 Answer

SAAB 9000 CSE 1996 - Coolant likage


With the vapor coming out I would say you have a hole in one of the heater hoses which go into the firewall in the area you describe. Inspect the hoses looking for the vapor with the engine still hot.

It could also be a leak in the heater core. The vent the vapor came out of is the source for fresh air for the heater and a/c. You should be able to smell antifreeze with the heater on inside the car if the leak is there. Water may also drip on the passenger side floor from the heater core.

Jul 26, 2010 | 1996 Saab 9000

1 Answer

When I enter the car, I smell a antifreeze/exhaust smell in the car. Do I take the car into the mechanic to get serviced. I haven;'t noticed any leaks.


the smell is caused by a leaking heater core inside the dash, it only takes a tiny bit of vaporized hot coolant to smell very strongly.

May 24, 2010 | 2009 Hyundai Elantra

5 Answers

Heater immediately fogs all windows and there is a sweet odor in the cab of 2003 Buick Rendezvous, defroster works fine, but will not clear the windows after heat is put on


Sounds like a possible heater core failure(hole in it) the smell indicates to me the coolant(anti-freeze) is leaking into the passenger compartment.
Check the carpet in front of the front passenger seat for moisture, this would confirm heater core leak.
Good luck !

Jan 28, 2010 | 2003 Buick Rendezvous

1 Answer

Smoke coming out vents when defrost is on and temp gauge goes up and down in 1994 Taurus


The fluctuation in the temp gage indicates a low coolant situation. The smoke you see from the defroster vent is actually antifreeze that is leaking from the heater core somewhere and as the antifreeze evaporates from the heat it causes a vapor to produce. You should smell a very sweet smell when you see the vapor. If so it is definitely antifreeze. Find the leak and fix it. Then refill your coolant system to specs and you should be good to go.

Aug 21, 2009 | 1994 Ford Taurus

1 Answer

2000 Buick Lesabre


If you smell antifreeze in the vents, you have a bad heater core. If not, it a sign that the coolant system is either low on antifreeze or has a blocked coolant vent passage.

Nov 08, 2008 | 2000 Buick LeSabre

3 Answers

1999 Crown Victoria


the heater core is leaking.

Oct 24, 2008 | 1999 Ford Crown Victoria

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