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01 mercury villager smell antifreeze inside, no heat.

Is it the heater core? And how do you replace it? Is there a visual diagram(exploded view) of process?

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If it is just an odor I think I would try some cooling sytem sealant. Usually costs about $3 to $5.00. With the engine running and hot with heater on, open the container and pour into the overflow and let engine run for another 15 minutes or so. DO NOT REMOVE THE RADIATOR CAP; YOU MAY GET SCALDED!!!!!!! Do not open the sealant container before you are ready to use it, it hardens quickly.

Posted on Dec 13, 2008


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1 Answer

Antifreeze smell in the car

This is usually due to a leak in the heater core. The antifreeze will leak from the core and then either fall into the condensate pan and leave the vehicle or will drip out and saturate the carpeting on the passenger side of the vehicle. You can bypass the heater core on most cars by re-routing the heater hoses under the hood until you can replace the core... but you won't have any heat either. Heater cores on most cars are difficult to access and replace. You may even need to evacuate and recharge the AC system to perform the job.

Nov 06, 2013 | 1998 Mercury Mystique

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Your heater core has a leak, it's like a small radiator that heats up and the blower motor blows air thru it to create heat in the car. It is leaking anti freeze into the heater box.

May 12, 2010 | 1998 Mercury Sable

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Will not heat. I smell antifreeze inside. Thermostats been changed, new antifreeze added.

If you smell antifreeze in the cabin then it could be a hose loose or the heater core has a leak/pressure leak - in which case get it looked at ASAP because it could lead to overheating of the engine.

Check the hoses going to the heater core and make sure they are not cracked or disfigured and are on tight. Any moisture near or on the core (and/or corresponding corrosion) is an indication the hoses are ot doing there job or the core is leaking.

BTW, If you are loosing coolant (due to a faulty heater core) it could "explode" (relax, you are basically safe on the other side of the dash-board), but the result could be a destroyed heater core and a very expensive repair bill - I know because its happened to me!

Jan 05, 2010 | 2000 Daewoo Leganza

1 Answer

Wasn't no problem with untel i replace my water pump. as i finish the water pump job i turn the truck on and feel it up with antifreez and at same time i turn the heat on and smell of entifreez comes out...

You have an antifreeze leak. Probably in the heater core (a small radiator inside of the dashboard that heats the air as it passes through). When the engine is running do you see any steam around the engine? Or smell the sweet antifreeze smell around the engine? If not then it is probably the heater core instead of a hose or somewhere on the engine. Does this truck have the option to switch the heater to recirculate he air inside the cab instead of drawing in outside air? If it does then you can set it to recirculate the air inside and if it still has the smell then its definitely the heater core. Often with a leaking heater core the passenger side floor and firewall area will get wet, but not always.

Sep 11, 2009 | Dodge Ram 1500 Cars & Trucks

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Smoke and antifreeze smell inside car

do you smell antifreeze? does it steam up windshield when defrosters are on? is there antifreeze on the floor. if your answer is yes to any of the questions i asked its heater core. the best thing to do is go to a web site of any major auto parts store they will have all the diagrams and instuctions you will need to do this.

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it sounds like your heater core is faulty(under the dash) does it smell funny in the car?if yes then your heater core needs replacement

Jan 20, 2009 | 2002 Chevrolet Impala

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your heater core is bad and it needs to be replaced

Nov 11, 2008 | 1995 Mercury Tracer

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Gass fuems

smell inside of the car, when the a/c is on.
It's only can be 2 things.
1- The a/c evaporator is leaking freon.
check if the air condition is not loosing freon.
2- The heater core is leaking antifreeze.
Check the level of the radiator, see if any visual leak on the heater core. or if there coolant under the car. about passanger side..
If you found repair as need.

I hope this can help to start diagnostic your problem.

Thank you for use fixya.

Jul 25, 2008 | 1994 Mercury Sable

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