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usually bad odor, steam or fog on windshield and residue of coolant in floorboard of vehicle

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Q: How do you know if your heater core has gone bad?
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How do you know when a heater core is bad?

You know the heater core is bad when your truck leaks antifreeze onto the floor of the passenger side.


Antifreeze leaking in floorboard Kia?

I think it is your heater core gone bad


How do you know if your heater core is bad?

The first sign that a heater core is bad is the lack of heat from the blower motor on a vehicle. The second sign that a heater core is bad is water on the floor of the passenger side foot well on a vehicle.


Where is the heater core on 1994 BMW 530i?

On the 1994 BMW 530i, the heater core is located under the dash in the engine compartment. You know the heater core is bad when it starts to leak.


What would cause water to form in the drivers side floorboard in a Chevy venture?

The heater core has gone bad or possibly a hose leading to it or away from it has gone bad.


Why is there no heat in my 96 ford e-15van even after changing thermostat?

have the heater core checked out. it may have gone bad or there may be something clogging it Check your heater core, it could be bad, then check thermo sensors.


Your 94 Oldsmobile Achieva gets water on the floorboards where is it coming from?

Most likely your heater core has gone bad.


How do you know that your heater core is bad?

normally you have no heat and,or water on the passenger floorboard


What does the heater control valve do and can it prevent water flow to the heater core if it has gone bad on a 1994 B-2300?

Ok, I got the answer to this question. It seems that there is not a heater control valve in the heater hose line.


What does it mean when radiator fumes are coming through the vents in a 1995 corvette?

Generally, with that smell- the heater core has gone bad.


What would cause antifreeze to spray out by firewall?

Your heater core behind the glove box has gone bad and needs to be replaced.


What causes water leak on passenger side floorboard?

plugged evaporator drain tube or the heater core has gone bad