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Q: Why do you smell antifreeze when heat is on?
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Why do you smell antifreeze through your heat?

Your heater uses somthing akin to a mini radiator to transfer heat from your engine to the cars interior. However, if you're smelling antifreeze, you have some type of leak.


Why do you smell antifreeze in the cab of your Subaru?

Antifreeze is used to heat the cab of your vehicle. When you turn on your heat in your cab, it opens up a valve that allows the hot antifreeze to flow from the radiator into the heater core. If there is a leak in the rubber tubes that flow into the heater core, or if the heatercore is damaged, you will smell the antifreeze in the cab of the vehicle. You may need new hoses to the heater core and/or a new heater core.


Can smell antifreeze but no leaks visible no heat?

If your going through coolant then you have an internal head gasket leak you smell coolant because its getting into cylinder and burning


You have and antifreeze smell in your 2003 Nissan when the heat or defrost is turned on what should you do?

you probably have a leaking heater core....you can replace it or bypass it


Why does car over heat and water fog up windshield And the smell of antifreeze stong in car?

Typical of the heater core leaking. Overheat because of low fluid and pressure. Foggy windshield due to heater core leaking and will smell antifreeze in the car.


What causes heat and air to work fine in a 1996 Corvette that does not over heat but has a strong antifreeze smell and foggy windows but no leaks that can be found?

heater core leaking


How do you know if a heater core is bad on a 1999 Saturn?

you will smell antifreeze, you may or may not have heat, you could run out of anti freeze


Why does your windshield get foggy and you smell antifreeze through the heat vent?

Leaking heater core.Leaking heater core.


How do you know when you have a bad Heater Core in my Car?

It's either stopped up (no heat) or leaking. If leaking you will smell antifreeze (sweet sickening smell) and it might fog up your windshield with the defroster on. Leaking alot, the carpet is wet. Keep an eye on the antifreeze level.


Why does it smell like antifreeze in car when driving?

your vehicle may smell like antifreeze while driving because it is overheating


What could be wrong with your car if you can smell antifreeze through the heat and air vents inside the vehicle?

the heater core may be plugged up


I smell antifreeze when i run the defrost on my 1999 Lincoln town car?

if you can smell antifreeze you need to replace the heater core in the vehicle