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still smelling antifreeze

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

still smelling antifreeze

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Old 02-20-2008, 10:37 PM
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chargedmustang
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Default still smelling antifreeze

Im still smelling antifreeze when the heat is on hot but not on warm inside the car, ive checked for leaks under the car and inside but nothing. Any ideas?
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Old 02-20-2008, 10:59 PM
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CantStopTheFox...
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Default RE: still smelling antifreeze

If your heater core is leaking, it would roll out through the drain on the passenger firewall...

Here is a pic of mine when it was leaking...look at the black hole on the firewall all the way down:

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Old 02-20-2008, 11:20 PM
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mjr46
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Default RE: still smelling antifreeze

ORIGINAL: chargedmustang

Im still smelling antifreeze when the heat is on hot but not on warm inside the car, ive checked for leaks under the car and inside but nothing. Any ideas?
pressure test the cooling system and look for the green rolling on to the ground
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Old 02-21-2008, 02:18 AM
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lxman1
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Default RE: still smelling antifreeze

It took awhile for the smell to go away after I replaced my second heater core. (I have a restrictor now!!) A little antifreeze will make quite a noticable smell in the ductwork.
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Old 02-21-2008, 11:06 AM
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ponyboy88
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Default RE: still smelling antifreeze

yea same proble, on a new heater core, just got it installed, i think the antifreeze creates a film in the ductork, hopefully it goes away gonna buy some airfreshners in the mean time
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Old 02-21-2008, 04:13 PM
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CantStopTheFox...
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Default RE: still smelling antifreeze

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yea same proble, on a new heater core, just got it installed, i think the antifreeze creates a film in the ductork, hopefully it goes away gonna buy some airfreshners in the mean time
I guess that is normal.....I did my heater core twice, and both times I had that smell for a little while
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