Heater core

1998 LINCOLN NAVIGATOR
200,000 MILES • V8 • 2WD • AUTOMATIC
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EDINGTON2016
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This chemical smelling fog coming out from under dash and windows will not stay defogged. Is this heater core?
Nov 1, 2017 at 11:58 PM
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STEVE W.
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Does it smell somewhat sweet and the film on the glass is sticky? If so that is a failed heater core. On that vehicle you need to remove the dash to get to it.
Nov 2, 2017 at 12:57 AM
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EDINGTON2016
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Thank you. Yes, smells almost like waffles. What will happen next? I have to drive it to work every day. May be a week before I can get it fixed. Should it run fine?
Nov 2, 2017 at 1:03 AM
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STEVE W.
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I would probably go under the hood and loop the core out of the system. Breathing that stuff can make you really sick. At the very least turn the temperature to cold and keep a window open if possible. The issue is that it could leak much worse at any time and dump hot coolant into the vehicle. A way to stop that would be to get a couple hose clamping pliers and just pinch the hoses closed. Something like what is pictured would work. Plus they would allow you to remove the core without draining the cooling system.
Nov 2, 2017 at 3:35 AM
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EDINGTON2016
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Oh my goodness I cannot thank you enough!
Nov 2, 2017 at 1:09 PM
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STRAILER
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Steve is one of our best ;)

Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken
Nov 3, 2017 at 2:04 PM