I own a 98 ford tauras se and when the heater is on it looks like fumes coming through the vents! The worse part is it smells like antifreeze, bad! My brother bypassed the system, but I want to get it fixed and I was told if its the heater core it could cost around $ 800. How hard is it to change the heater core? could it be just a clog?
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The heater core is located behind the dashboard, on the passenger side. Steam from the vent and an antifreeze smell is a decimate sign that the heater core is leaking and needs replacement. The procedure for removal and installation varies depending on your make and model, your profile says only "ford cars and trucks" so I can't say off the top of my head if your vehicle is an easy job or a hard one. A simple instalation would involve removing only an access panel under the dash and maybe the glove box door. Difficult ones can require removal of the entire dashboard. Look through a repair manual for your make and model (available at almost any parts store) to see how your heater core is accessed and decide if you can do the job yourself. Good luck.
99% of the time it is a leaking heater core that gives you the antifreeze smell.......it will coat the inside of the windshield too possibly reducing vision under certain conditions. Clean it well after changing the heater core.
If your heater core was leaking you would have antifeeze coming thru your vents and putting a greasy film on your windshield. You would smell antifreeze the stongest if it was leaking onto a hot engine part. low antifreeze will cause bad heater performance, I would check by the thermostate housing, and the water pump for leaks
Bad heater core. What is happening is when you turn on the air you are getting fumes from the heat of the engine and the heater core leaking causing you to get a smell and also fumes. I would suggest that you take it to the dealership or a mechanic and have the problem fixed ASAP due to the health issue
I had the same problem in my 98 Dodge Dakota! Replaced the heater core, problem solved. No more funky coolant smell and erie fog coming through my vents. I bought the heater core at rockauto.com online. Have purchased many items now from them. All factory parts so far at half the price of even AutoZone, even with the shipping. Also, you usually have to wait only a couple of days depending on the part and they have EVERYTHING.