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If your heater core is leaking it will leak into your passenger compartment or the plastic container that normally houses them. Your windshield will get sticky steam on it if you turn on your defroster and the interior will smell like antifreeze ( sweet smelling ). Your heater may not be getting water because the heater hose that supplies it with coolant from your engine is leaking. This hose will go from your motor to your firewall as will the return hose. Another reason your heater may not blow hot air is a thermostat that is stuck in the open position, never allowing your motor ( or the coolant ) to properly warm up. In this case you will find no leaks.
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∙ 13y ago
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Does a bad heater core leak if the car is not running?
yes.
2000 Toyota MR2 heater will not get warm?
You may have a clogged heater core, or a leak in the system somewhere. Take your car to a mechanic who can replace the heater core or diagnose the leak.
Car fogs the frost the inside of the windows when the heater is on?
Could be heater core is starting to leak
Why is there a smell of antifreeze through the vents but car is not overheating?
Check for a line leak to your heater core or a leak in the heater core it self. Usually it is under the dash on passinger side.
Saturn car leak antifreeze into passenger area?
You will need to replace the heater core.
What can go wrong with heater cores?
The heater core can leak get pluged up or simply wear through with time. When they leak it will probly leak engine coolent into the cabin of the car or truck. When they get pluged up your heater will not heat the car and the coolant system of the car will not operate properly to cool the car.
Does a bad heater core on a 1997 grand-am always leak into the interior of the car or can it leak out of the engine compartment?
it can leak into engine compartment as well as interior of car. depends where it is leaking
What are the symptoms of a bad heater core?
coolant leak inside car underdash on pass. side
Why would the inside of your car smell like antifreeze?
It probably has a leak, possibly from the heater core.
What do you do if you smell antifreeze in your car from heater?
This probably means that your heater core has sprung a leak ; you will probably find the passenger side damp form the leak itself - check with your mechanic .
Why do i not have heat new thermostat No leak at heater core?
Heater core could be clogged.
Where would a heater core leak in a 03 Chrysler Sebring?
At the heater core itself.
