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Q: Does a bad heater core leak if the car is not running?
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What are the signs of a bad heater core in 98 ford expedition?

The most common signs of a bad heater core are; no heat or fluid leaking into the passenger compartment. The heater core can have a leak or it can be plugged.


Why does the anti-freeze leak through the vents on a 96 Chrysler lhs?

Check the heater core, it is probably bad. It could be heater hose connections to the heater core, but I would bet on the heater core going bad.


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.


Why Coolant leak below glovebox on Dodge Caravan?

Your heater core is probably bad.


Will a bad heater core cause the car not to start?

No it wont. The heater core is just a small radiator inside the cabin that when the fan is turned on heats the air. A bad heater core will cause you to have no heat inside or will leak coolant on the carpet.


How can you tell if heater core is bad if there's no leak?

Your windows fog up horribly and sometimes you can hear what sounds like water running through your dash when your driving.


Why does antifreeze leak from the fire wall when filling the reservoir -pours out of black rubber drain under heater core hoses?

I also need an answer to this question, but my floorboard does not get wet. Is it clogged or is it a bad heater core? It is most likely a bad heater-core if it is antifreeze.


What are the symptoms of a bad heater core?

coolant leak inside car underdash on pass. side


Why does your 1991 Cadillac Seville dashboard leak water?

your windshield seal could be bad or you may have a bad heater core if it is leaking bad you'll know soon enough, its the heater core!. Mines doing the same thing and its the heater core. The bad news is that the part is only 75.-100. bucks but the labor will eat you alive.


What would cause a Radiator leak and a bad smell in the cab of 1997 ford f 250 pickup?

Coolant leak? Check your heater core.


Why would water leak onto the passenger side floor of a 2001 expedition?

Maybe a bad heater core


When a heater core goes bad does it have to leak onto the floor?

no it could be clogged what type of vehicle is it? does it use dexcool?